-------
acetone (8 ppir) and HO <2ppa) showed little activity by this
compound with respect to ozone formation or aerosol formation, and
only very slight eye irritation was indicated. Data indicate that
the branched ketones are considerably more reactive than
straight-chain ketones. (5) Alcohols are the least active class
of compounds tested.##
01878
F. Cramarossa and H. S. Johnston
INFFAHID ABSORPTION BY STfMREIRICAL N03 FFEE RADICAL IN THE
GAS PHASE., J. Chen.. Phys. 43, 12) 727-31, July 15, 1965„
A new infrared absorption band between 1325 and 1375 cm to the
minus one power has been observed in the N205-03 system at lew
pressure in as 80-it path-length cell* In such systems the
presence of the synaetrical N03 free radical is yell kticwn in
terms of its visible absorption spectrun, which varies in the
unusual way of Kss(N205) to the one third power (03) to the
one third power*, The new infrared band lies at a frequency just
below that for the antisyaaetric stretch of the symmetrical
planar nitrate ion; the absorption optical density varies as
{ N 2 0 5) to the one third power <03) to the one third power;
and the new absorption has been assigned to the synaetrical N03
free radical. {Author abstract)##
C108O
K. Egger and S» R. Benson
IODINE AND NITRIC OXIDE CATALYZED ISOMEHIZAHON OF OLEFINS.
V., Kinetics of the Geometrical Isonerization of
1,3-Pentadiene, a Check on the Bate of Rotation about single
Bonds, and the lllylic Resonance Energy. J. An. Chen. Sac.
87, (15) 3314-9, Aug. 5, 1965.
The kinetics of the nitric oxide catalyzed* hoaogeneous, gas
phase isonerization of 1,3-pentadiene have been studied over a
temperature range between 126 and 326 degrees. Analysis of the
data shows that the rate-controlling step in the NO-catalyzed
geometrical isoaerization of pentadiene is the rotation about the
single bond in the intermediate radical. Iodine is shown to form
a auch acre stable interaediate radical, and results indicate that,
in the 12-catalyzed system, tbe addition reaction of I atoms is
rate controlling. The rotational rate constant log kc was
calculated to be (11.5 Flus or ainus 0.3) - (5.3 plus or minus
1„0)/theta sec. compared to (11.2 - |3.8)/theta sec.) as
reported earlier for the iodine catalyzed cis-trans isonerization
of 2-butene. (Author abstract modified)*#
1086
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
018 81
K. W. Egger and S.. W. Benson
NITRIC OXIDE AND IODINE CATALYZED ISOMERIZATION OF OLEFINS.
IV. Thermodynamic Data from Equilibrium Studies of the
Geometrical Isonerization of 1,3-Pentadiene.. J- An. Chen..
Soc. 87, (15) 3311-**, Aug*, 5, 1965.
The measurement of eguilibriua constants of the iodine-catalyzed
gas phase reactions of olefins and their parent hydrocarbons has
been shown to be a very simple, direct, and valuable method to
determine precise differences in the thermodynamic properties of
the reactants. Applied to the eis-trans isonerization of
1,3-pentadiene, the present paper reports an appreciable amount of
side reactions and considerable difficulties in product separation.
This result is in contrast to the clean-cut experiments on the
isomerization of 2-butene. The important two side reactions, the
polymerization of 1,3-pentadiene and the formation of diiodide in
the lower temperature range, are shown to be a consegnence of the
considerably more stable radical intermediate formed with
1,3-pentadiene compared to 2-butene., The HO-catalyzed system
showed excellent reproducibility and no measurable side reactions.
M02 gave rise to the same difficulties obtained with the iodine
catalysis.. This is to be expected from the C-OHO bond
strength of about 5*1 kcal. •#
01888
B. E*. Bebbert and P.. Auslccs
QUENCHING OF THE TRIPLET STATE OF ACETONE AM> BIACETYL BY
AZOAIKAKES. J. Am. Chem. Soc» 87, (9) 1847-52, Hay 5, 1965.
It is shown that small concentrations of azoalkanes quench the
phosphorescence emitted by acetone and biacetyl, but they do not
affect their fluorescence- In the case of acetone the relative
quenching efficiencies of nitric oxide* azomethane, and oxygen ace
2.8:2.2:1.0 and for biacetyl the efficiencies of azoethane,
azomethane, nitric oxide, and oxygen ace 19:15:6.7:1.0. It is
suggested that the ketone molecule can transfer its triplet state
energy to form a triplet excited azoalkane molecule. The
photochemistry of the energy-transfer reaction was studied in order
to obtain additional information about the fate of the triplet
excited azoalkane molecule., A fraction of these triplet excited
molecules, formed by the energy transfer from acetone~d6,
decomposes into a nitrogen molecule and two alkyl radicals. The
remainder of the triplet axoalkane is collisionally deactivated to
the ground state. At 30 degrees and an acetone~d6 concentration
of 8 x 10 to the minus 3 mole/1.,, the quantum yield of nitrogen
formation is 0.31, independent of the concentration of
axomethane from 0.4 x 10 to the minus 4 to 8.8 x 10 to the minus
1 mole/1. The substitution of azometJiane-d6 or azoethane fox
axomethane under comparable conditions results la a decrease in the
M. Basic Science and Technology
-------
quantum yield of nitrogen while the quantua yield of carbon
noncxide is essentially constant. This indicates a longet
dissociative lifetime for the triplet a2o*etfaane-d6 or azoethane
compared to azomethane. -{Author abstract}##
01889
B. c« sahni and E„ J. DeLorenzo
ELSCTHOHIC STATES OP HOI.ICDLES. I. Self-Consistent Field
Calculations of the Ground, Ionized, and Excited States of
H2 and 02. J. Che*. Phys. U2, <10) 3612-20, May 15, 1965.
presented at the Syaposiua for Molecular structure and
Spectra, Ohio State Dniv., Coloatus, Ohio, June 196U.)
A nuaber of electronic states of »2 and 02 hate been
computed using the self-consistent-field-nolecular orbital
(SCF-tlO) set hod. The calculated ionization, excitation, and
total energies are compared with the available experlnental data,
as well as with those reported by other workers. (Author
abstractj ##
01961
6. F- McMillan, J. G. Calvert, and J. V. Pitts, Jr.
DETECTION ADD LIFETIME OF EMOX-ACET0SE IS THE PHOTOLYSIS OF
2-PENTAHONE VAPOB. J. ta. Chew.. Soc. 86. 3602-5, Sept. 20,
1964.
The formation of the enol for* of acetone in the "type II"
primary photochenical process in asethyl ketones containing
gaama-hydrogen atons has rec«ive& general acceptance in recent
years on the basis of published indirect evidence. In this work a
direct observation of the transient enol forn of acetone has been
made by infrared absorption during the photolysis of 2~pentanone.
The enol to keto conversion was studied by following both the
disappearance of the enol and the appearance of the keto forn using
long-path infrared techniques* The half-life of enal-acetone is
about 3.3 sin. at 21 degrees and 750-*». total pressure. The
ketonization process seeas to occur aainly at the reaction vessel
nail, photolyaes of 2->pentanone were also carried out in saall
reaction vessels pretreated with D20. In this case the
keto-acetone ultiaately produced is partly aonodeuterated, and a
partial exchange of the enol fori at the vessel wall is indicated;
this result is siailar to that reported by Srinivasan in
experiaents with 2-hexanone. The extent of exchange exhibits a
peculiar dependence on the residence tine in the cell which
cosplicates the interpretation of the ketonization step under these
conditions. (Author abstract}*#
1088
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
01978
A. P. Altshuller, I. B.. Cohen, S. F. Sleva, and S. 1.
Kopczynski
aib polldtick: phctooxication of abchatic hydbocabeohs..
Science 138, (3538) 4#2-3, Oct. 19, 1962.
A nunbcr of aromatic hydrocarbons participate as effectively as
the olefins in atmospheric photooxidation reactions in the presence
of nitrogen oxides and ultraviolet light. Judged both on the
basis of reactivity and concentrations in the atmosphere, the
aronatic hydrocarbons cannot be ignored as contributors to the
photochemical type of air pollution. (Author abstract)##
01990
A* Goetz and T. Kallai
THE SYNTHESIS OF DEFINED AEROSOI SYSTEMS- An. Ind. Hyg.
Assoc. J„ 2<», 153-61, Oct. 1963.
Instrumentation and procedures for the synthetic production of
photochemical aerosols within a laminar airflow along a tubular
channel are described. Special aicro-dosiaetry quantitatively
facilitates continuous addition of reactive trace coaponents
(hydrocarbons, NO, 802, 502) and of defined nucleating
particulates.. The flow is subsequently irradiated symmetrically
in the spectral range 1320-450 milliaicrons) in a special channel
section without temperature increase, at adjustable intensity
levels and exposure durations up to several tines solar intensity
at ground level. The resulting aerocolloidal coaponents are
analyzed with the Aerosol Spectrcaeter for deteraining the size
and aass distribution of the photoactivated particulates at various
reaction stages. Exaiples of sacg-type reactions between traces
of N02 and olefins, and of atodifications of natural aerosols, are
presented* (Author abstract)*#
02082
E. Savicki, T..W. Stanley, J. Pfaff, H. Johnson
SENSITIVE NEW METHODS FOB AUTOCATALYTIC SPECTHOPHOTOHETRIC
DETEHfllBATION OF NITSITE THROUGH FBEE-BADIC1L CHFOHOGEHS.
Anal. Chea. 35, (13) 2183-91, Dec. 1963.
Many of the aethods presented here are nore sensitive than
any described in the literature. A aolar absorptivity of
1,270,000 can be obtained in the l-aethyl-2-guinolone azine
procedure, while in aost other procedures aolar absorptivities
average over 200,000. the following reagents arc coapared:
l-aethyl-2-qninolone azine« 3-aethyl-2-benzothiaxolinone azine#
M. Basic Science and Technology
1089
-------
glycxal bis (NrN diphenylhydrazone), 3-methyl-2-
benzothiazolinone picrylbydrazone, phenothiazine, N,N,N",Nr-
tetramethyl-f»„
-------
produced in the liguid- and solid' phase photolysis of
CH3HgCB3-CD3HgCD3 nixtures, it was concluded that cage
recombination of aethyl radicals does take place, contrary to the
conclusions reached in as earlier worJe by Derbyshire and
Steacie* no evidence could he obtained for hot aethyl radical
effects in the liguid-phase photolysis of diaethylnercury.
{Author abstract)*#
02258
G. A.. Oldershaw and R„ J* Cvetanovic
PHOTOCHEMICAL A EDITION OP HYDBOGEH BBOBIDB TO 2-BOTENE IB THE
GAS PHASE. 0. Che a. Phys. 41, |11) 3639-W, Sec.. 1, 196^.
The relative rates of the photochemical addition of hydrogen
bromide to 2"butene, and of the simultaneous cis-trans
IsouerizatioB have been measured in the gas phase at 5<* C„
Similar but less extensive experiments have been carried oat with
1t2-dldeutera«tlxylen«» In this case* comparison of the rates with
the data in the literature indicates aucfa faster cis-trans
isomerizatlon than can be expected from the decomposition of
thermalized broaoethyl radicals. Alternative explanations of the
fast geometric iscmetization are briefly discussed.##
02286
c.P. penimore g.r. Jones
THE WATBH-CATALYZBD 0XIDATI0H OP CABBON MONOXIDE BY OXYGEN AT
HIGH TEMPERATURE. J. Phye. Chea» 61, 651*4, Hay 1967.
Ey sampling burnt gases fro* lean flat hydrocarbon flames at one
atmosphere pressure, the oxidation rate in the presence .of anpie
water at 1700-200QK is determined to be - 1/(02} (dln<(CO)/dt)
+ 1„2 x 10 to the 9tfc pover e to the -2*,000/j?T/(«oles/1)/sec.
In burnt gas froa CO flanes containing very little water,
-dln(C0>/dt is independent of oxygen and roughly proportional
to water. The slower rate of comparatively dry CO flases Is
raised toward the value appropriate to hydrocarbon flames, by adding
hydrogen to the CO. A partial mechanism is suggested which is
consistent with these results. (Author abstract)#*
023 09
G. K« So bo lev
HIGH-TEHPERATURE OXIDATIO* AMD BDBVING OP CABBOB HOKOXIDE.
Synptf Combust., 7th, London# Oxford, 1958. 386-91. 1959.
The purpose of this study was to measure the rate of burning of
CO in the flaae front, using the results of normal flane
W. Basic ki»nc« and T&chnolojy
1091
-------
velocity measurements foe this purpose, and simultaneously to sake
direct measurements of the rate of oxidation of CO in the after-
burning zones of the sane flames* A comparison of the data
obtained by these two independent methods will evidently be of
theoretical and of practical value.. ~~
02328
B. C« Gunton and T„ Shaw,,
AHBIPOLAR DTFFDSIOH AND ELFCTRON ATTACHMENT IN NITRIC OXIDE IN THE
TEHPERATOBE RANGE 196 TO 358 K„ Phys. Rev- 1U0f (3A)
A748-A755, NOV. 1, 1965.
CFSTI, DDC AD 631223
Ambipolar diffusion and electron attachment rates were measured in
nitric oxide at pressures fro* 0.01 to 16 Torr and at temperatures
from 196 to 358 K. The gas was photoionized by single pulses of
ultraviolet radiation, at and near Lyman alpha from a hydrogen
lamp. Pulse lengths ranged from 10 to 300 microsec and
ionization levels were kept low to reduce electron-ion
recombination. Bates for the latter process are reported in a
separate paper. Electron loss rates were measured by a microwave-
cavity method used to record the decay following a single ionizing
pulse. Ion identification was made by a mass spectrometer which
sampled the ions diffusing through a small hole in the wall of the
microwave cavity. Oltrahigh-vacuum techniques were used in gas
purification and in production and measurements of ionization-
The diffusion results are to some extent consistent with theory
of diffusion of electrons and a single positive ion species in the
presence of negative ions. The mass-spectrometer observations
indicate that NO plus is the dominant positive ion in
photoionized NO at all pressures. The principal negative ion
observed with the mass spectrometer was N02(-)* and no NO(-) or
H02{-) ion were detected. Direct attachment ot N02, present
as a minute impurity, seems unlikely; the N02(-) ion may be
formed by rapid charge transfer from a primary negative icn or by
an attachment reaction involving rearrangement. (Author abstract
modified)*•
02337
D. Phillips.
PH0T0LYTIC PROCESSES II PERFIOOHOCYCIOBOTANCNE VAPOR. J.
PHTSw CHEH. 70, <4) 1235-43, APR- 1966.
CFSTI, DDC AD 635437
The photolysis of pertluorocyclobutanone in the vapor phase at
3130, 3340, 3660, and 4047 A has been investigated.
Fluorescence and decomposition yields have been determined at the
four wavelengths and the effects of pressure and temperature upon
them stndied. Two modes of decomposition occur at the shortest
wavelengths and at high temperatures, one producing carbon
monoxide and pertluorocyclopropane, the other producing
1092
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
tetrafluoroethylene. & mechanism is proposed which explains the
results, and rate constants for reactions are determined.
Results indicate that about 7 kcal/mole excess vibrational energy
can be removed from the excited ketone by each collision with an
unexcited ketone molecule. (Author abstract)##
02412
A„ Goetz R. Pueschel
THE EFPECT OF NUCLEATING PARHCCLA1ES ON PHOTOCHEMICAL AEROSOL
FORHATION. J- AIR POLLUTION CONTROL ASSOC. 15, (3) 90-5.
Bar. 1965. (Presented at the Sixth Conference on Hethods
in Air Pollution studies, Eerkeley, Calif,, Jan- 6-7, 196a.)
The role of nucleating particulates in the formation of
photochemical aerosols was studied in a steady, laminar flow of
ultrafiltered air containing N02 and octene-1 in the
concentration range of: (30 - 170 ppm), when subjected to intense
irradiation under isothermal conditions. The particulates
consisted of monodisperse polystyrene latex (d equal 0.36 micron)
in concentrations similar to those in the atmosphere; the
irradiation intensity varied between: (6 - UO,000 lumne/liter) and
the mean exposure duration between 30 - 180 sec. Samples of the
flow, prior to and after its photoactivation, were withdrawn
either by an Aerosol spectrometer (AS) or by a Royco
Aerosol Photometer. The photoiietric data include all
colloidal components in the airborne state, whereas the counts
obtained from the AS-deposits refer only to tbe nucleated latex
particles.. The following pattern is evident: The
photochemical reaction yields fractional products (less than 3*)
which have the tendency to agglomerate (or polymerize) due
to their relatively low volatility—independent of the presence or
atsence of nucleating particulates. The growth process appears
principally different from that of fog formation by H2Q&-
condensation, where, for identical supersaturation, it is inversely
proportional to the nuclear concentration. In the absence
of nuclei, antomicleation, i.e. self-agglomexation, occurs
at a much lesser reaction rate and higher photon demand. The
growth rate of the nuclei, when present, depends on the
concentration of the oxidation catalyst (N02). Under
identical conditions the mass of nuclear accumulant is directly
proportional to the concentration of the reactive hydrocarbon,
while the growth rate depends on the light intensity and tbe
exposure duration- The findings indicate that density and nature
of particulate matter present in an air mass prior or during
photo-activation are, aside from the chemical reactant levels,
of major significance in aerosol formation. (Author abstract
modified)i#
02«U3
HTDHOCARBON - AIR FUEL CELLS. General Electric Co., Lynn,
Mass., Direct Energy Conversion Operation. (Technical
Summary Rept™ So. 8, July 1-Dec» 31, 1965). 266p„, 1965
CFSTI AD 479005
M. Basic Science and Technology
1093
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Detailed information is presented on a continuing research and
development program to develop a direct hydrocarbon oxidation-air
fuel cell technology. Current work included research on
electrochemical oxidation processes, electrocatalysts,
electrolytes, electrode structures, and fuel cell life testing..
Multi-pulse potentiodynamic techniques have been further developed
for analyzing hydrocarbon surface processes. Performance of fuel
cell systems with hydrogen fluoride and phosphoric acid
electrolytes have been studied for high performance
hydrocarbon oxidation.. Boron carbide and carbon have been
successfully employed as substrates for high surface area platinum
and the results and application to Teflon-bonded electrodes are
reported- A variety of modified Teflon-bonded developmental
electrodes were evaluated. (author abstract)##
024U5
G. w.. Griffin
PHOTOCHEMISTRY OP UNSATURATED CARBONYL DERIVATIVES AND RELATED
SMALL HIHG SYST2HS (TIDAL SEPT. JULY 1, 1963-DEC. 31, 1965.,)
Tulane Univ., New Orleans, La., Dept. of Chemistry
(AROD Bept. No.. 4375i11.J28 pp„# June 1, 1966
CESTI AD 635217
The photofragmentation of a variety of snail ring homo- and
heterocyclic systeis including cyclopropanes, epoxides, aziridines,
oxaziranes and spisulfides are studied. The photorearrangement of
cyclopropanes to olfins and the photoinduced conversion of
cyclopropenes to indenes also are examined. The studies are
complementary and those parameters which determine the reaction
course are defined in each case. For exanple, it is of interest
to determine why certain cyclopropanes fragment to carbenes and
others simply rearrange to isomeric olefins. Many of those
reactions described have synthetic utility and heretofore
inaccessible systems now have been synthesized. The
photofragmentation of stilbene oxide is illustrative and appears
to be the method of choice for preparing phenylcarbenes and thus
phenylcyclopropanes and cyclopropenes.##
02d46
K« 0. Hartnan and I. C- Hisateune
ISEBARED SPECTHOB 0? CARBOH DIOXIDE ANION RADICAL. J„ Chen.
PHTS. 44(5} 1913—8, MR- 1, 1966.
CFSTI„DBC AC 635357
Pressed alkali halide disks of infrared spectroscopy have been
used as matrices to trap and to stabilize the carbon dioxide anion
free radical.. The radical was generated by exposing disks
containing the formate ion to solid solution to gaciita rays from a
cobalt source. The ESB, the ultraviolet, and the infrared
spectra of the radical have been identified* ?ro» the carbon*12
1094
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
arid-13 isotopic frequencies of the antisyaaetric CO-bond
stretching infrared band* a valence angle of 127 degrees plus or
minus 8 degrees was calculated for this radical. The radical
reacted with water to produce bicarbonate and formate
ions. (Author abstract)••
02U56
A.V. Phelps W„H. Kasner
STUDIES AND EXPERIMENTAL WORK ON
OCCURRING IN ATMOSPHERIC GASES.
Pittsburgh. Pa. (Technical Kept.
May 1966
ATOMIC COLLISION PROCESSES
Hestinghouse Research Labs-,*
AFVL-TB-66-34.) pp. 73„
Temperature dependent recombination studies in nitrogen have
been conducted over the range 200-480 Kv yielding a
coefficient of (2.9 plus or minus 0.3) x 10 minus 7/cua/sec.
for the recombination of N2f«) ions and electrons. The
observed temperature dependence is quite small, being
adequately described by the relation T to minus *02. Several
sodifications have been cade on the flow system used in the
study of associative detachment in 02 minus 0 mixtures. In
subsequent studies a reaction resembling associative detachaent
has been observed. While preliminary tests were being
conducted on the rf Bass spectrometer which is to be used
on the flow system* a brief study of negative ion-molecule
reactions was made. Rate coefficients for several of these
reactions were measured. A summary of the results of a
calculation of momentum transfer and inelastic cross sections for
electrons in oxygen is presented. The computed momentum
transfer cross section is in satisfactory agreement with electron
beam results bat it differs significantly from the cross section
obtained at thermal energies from microwave experiments.
(Author abstract)4#
02464
H. Sjogren E. Lindholm
IOSIZATIO* MID DISSOCIATIVE IONIZATION OF 02 AFTER ELECTRON
AND IMPACT. Royal Inst, of Tech., Stockholm# Sweden,
Dept of Physics, (scientific Hept. 4 and Hept. AFCRL-66-
436.) 08C. 15, 1965. 24 PP.
The ionization of 02 warn investigated by using charge
exchange in a double mams spectrometer. The breakdown graph
was constructed. A break in the electron impact ionization
efficiency curve is explained as being due to ion-aoleeol*
reactions between excited o plusor minus ions formed in as
ion/pair process, and 02. It was shown that the cross sections
must be very small for the reaction, 0*- J4S) + 02 yields
0+02 plus or minus since the cross sections for the
corresponding reaction vith Si plus or minus are small.
Implications for the aeronomy ars discussed. (Author abstract)#*
M. Basic Science and Technology
109$
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02472
S.S.. Bilks
PHELIMINABY STUDIES ON LIGHT-INDUCED CABBON MONOXIDE IN CLOSED
ENVIRONMENTS. School of Aerospace Medicine, Brooks
AFB, lex.. Aerospace Medical Division. Sept. 1963. 9 pp.
CFSTI, DDC AD 420946
Experimental data is presented concerning the effects of solar
light upon certain classes of organic substances which may be
components of the sealed environment of space vehicles. Many
materials such as organic plastics, pigments, insulating
material, etc-, will, when exposed to light in the presence of
oxygen, liberate a number of toxic end products such as carbon
monoxide, aldehydes, acids and certain hydrocarbons. In a
sealed environment these agents may reach levels toxic to human
beings during a long sojourn in a sealed system. Therefore,
along with products that may result from thermal and
electrical activity (motors, generators, etc.), these products
may constitute a considerable hazard in sealed environments.
{Author abstract)##
02489
J. K« S. Van and J« N» Pitts, i3r.
A SPECTROSCOPIC INVESTIGATION 0? THE REACTION BETREBN IODINE AND
CYCLOP80PXLAMINE. Tetrahedron Letters, 44:3245-50, 1964
The reaction between iodine and cyclopropylamine in n-heptane
solution was studied spectroscopically. Preliminary results
suggest that 1:1 charge-transfer complex between iodine and
cyclopropylamine was formed first; subseguently precipitation of
white crystals of a 2:1 cyclopropylamine-iodine complex,
C3H5NH2)2 12 (A)* occurred. Evidence suggests that the
solid product (A) has probably an ionic structure*##
02493
0. K. S. Man, L. D« Hes&, and J. N. Pitts, Or.
1BEE-BACICAL ADDITION TO AZOBENZENE IN CDMENE SOLUTION.
ELECTRON PARAMAGNETIC RESONANCE SPECTBA OF SOME LONG-LIVED
RADICAL INTEBMEDIATES. J. Am. Chem. Soc. 86, 2069-70, 1964
A degassed solution of azonbezene in cumene was irradiated at room
temperature in the microwave cavity of Varian V 4500 e.p.r.
spectrometer with 100-kc. field modulation. Light source was a
PEK mercury high pressure lamp equipped with filters which
absorbed wave lengths shorter than VOOOA. At room temperature
irradiation, a spectrum was observed with an intensity dependent
upon the initial concentration of azobenzene. The spectrui is a
1096
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
triplet, each component of which contains 4 groups of lines with
intensities following a 1:3:3:1 binominal distribution. Each of
the groups is further split Into 3 lines. The radical structure
consistent with observed spectrum is composed of the azobenzene and
cuaene structures Joined at a nitrogen atom and the tert-carbon
atom.. Experimental coupling constants and experimental and
theoretical spin desnities are tabulated. Separate experiments
on a larger scale in which the reaction was subjected to liquid
chromatography resulted in N,N«-Dephenyl-N-(1-aethyl-1-
phenylethyl) hydrazine being eluted. Its identity was confirmed
by IP and n.m.r. analysis.##
C 2494
H„ W„ Johnson, Jr., J. N» Pitts, Or,, and M. Burleigh*
POSSIBLE FCBMATION OF CROSSED PINACOLS IN THE PHOTOLYSIS OF
BENZOPHENOME MIXTURES. Chen. Jnd. (London) 1IW3„ 196ft
Bacuum degassed binary mixtures of benzophenone, ft,ft
dichlorobenzophenone and 4,ft-dimethoxybenzophenone in 3:1
tenzeneisopropyl alcohol solvent at room temperature were
photolysed using a Hanovia Type A mercury are filtered to remove
radiation below 30001. Equiaolar and eguiabsorbance solutions
were studied with no significant difference in the
results. No crossed pinacol was found in the photolysed mixtures
of ft,U-diaethoxybenzophenone with benzophenone or 4,ft
dichlorobenzophenone. However, an equimolar Mixture of ft,ft"-
dichlorobenzophenone with benzophenone (0., 53m} yielded 15-20% of
the "crossed*1 pinacol, the balance being a mixture of the
symmetrical pinacols. Since both ketones are being excited by the
incident radiation, the non-formation of "crossed1* pinacols in two
of the three cases studied indicates that transfer of the
excitation energy from one ketone to the other is occurring. This
transfer may occur in excited state of the ketones, or it could
occur as a hydrogen atca transfer in the ketyl radical
intermediates. The elegant demonstration of triplet transfer by
Hammond and others makes this mechanism an attractive one;
experimental justification is being sought.##
02ft96
0. Pitts, Jr., E. Au Schuck, and J. K« S. Wan.
PHOTO BE DUCT ION OP 2* 2-DIPHENYL-L-PIC8YLHYDHAZYL (DPPH) IB
HYDROCARBONS.. J. Am. Chea., Soc. 86, 296-7, Jan. 20, 196ft..
Preliminary results of an e.p.r. investigation of the photo-
induced abstraction of hydrogen atoms from hydrocarbons by 2,2-
diphenyl-l-picrylhydrazyl .(DPPH) are reported. Light absorption
by DPPH solutions at 3130 A was determined by using the
photochemical disappearance of benozphenone and the formation of
acetone in isopropyl alcohol as the actinometer. In the dark no
diminution of e.p.r. signal intensity was observed. During
irradiation the signal decreased according to the first-order rate
law.. An equation for determining the reaction rates of DPPH in
different hydrocarbon solvents using the quantum yield is given.##
M. Basic Science and Technology
1097
-------
02498
J. K. S. Han, E. A. Schuck, J. K. Foote, and J. H.
Pitts, Jr.
THE FQBHATION OF 1KIBOTXLIOOOASHOKIUK IODIDE IN THE UHANYI
PHOTOSENSITIZED REACTION WITH TETBABUTYLAHMCMIUB IODIDE. Can
J. Chea. 42, 2029-31, 1964
The reaction of tetrabutylaaaoniua iodide in aqueous solution
sensitized by uranyl nitrate is reported and is disclosed a
photochemical lethod for preparing tributyliodoaaaonium iodide.
When an aqueous solution ef uranyl nitrate and tetrabutylamaoniua
iodide (I) was irradiated at rooa tenperature with the 3660 A
line froa a aercury vapor laap, a black precipitate was formed.
In the absence of light, no precipitation was observed. The
identity of the precipitate as tributyliodoanmoniua iodide
(C4H9)3IH (+JI (-) (II), was confirmed by elenentary analysis,
molecular weight deteraination, infrared and nuclear magnetic
resonance (n.a.r.) analyses. The nolecular weight was found
experiaentally to be 442: calculated for II is 439. The IB
spectrua was consistent vith that expected for II. The n.m.r.
spectrum exhibits three coaplex nultiplets centered on r values of
A, 8.90, B, 8.40 and C, 6.75; with integrated areas being in the
ration 1.55:2:1. Peak A can be assigfted to the aethyl protons
(9B), peak B to the aethylene protons (12H), and peak C to the
protons (6H) adjacent to the nitrogen atom. The OV spectrum
taken in ethanol solution showed an absorption onset at 5000 A
with aaxiaa at 3650 and 3200 A. The product II exists at rooa
temperature as a black powder vith a aelting point of 65-68 c.
The coapound is stable at least up to 135 C, and exhibits a
reversible theraochrcaic phenoaenon (fron black to yellow) when
waraed to 88 C or higher. The IB spectra of both color foras
do not show any drastic changes. The experinental data obtained
to date are insufficient to establish the entire reaction
aechanisa, but seen to suggest that oxidation of the iodide ion is
sensitized by the photoexcited uranyl ions, leading to an iodine
atoa and solvated electron. Bte direct photolysis of a aqueous
solution of I also was carried out by light shorter than 3000 A.
A black precipitate of II was recovered together with soae free
iodine.•#
02503
J- G.. At wood
ABSORPTION OF LIGHT IK GASES,. Perkin-Elmer Corp., Norwalk,
Conn., Electro-Optical Div. (PE Engineering Bept. No.
6361) 38 pp. 1966.
Two methods of measuring optical molecular absorptivities in gases
were studied. An acoustic Method was pushed experiaentally to a
sensitivity of 10 to the -5 power/cm absorptivity. The second
oethod, a laser illuainated "spectrophoae", is now being
investigated. Both aethods use a Q-swiiched ruby laser,
tunable froa pulse to pulse over a 2A range, as the excitation
1098
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
source. Absorbed light causes a temperature rise and expansion of
the gas sample. In the acoustic method the expansion starts
cylindrically propagating sound disturbances. These are focused
by acoustic nirrors onto a membrane detector. n the spectrophone
¦ethod the gas sanple is enclosed in a sealed glass tube. The
gas expansion causes a pressure rise which is transmitted to the
aeabrane detector through a short duct. The nembrane is one
reflector of a near confocal resonator, illuminated by a freguency
stable gas laser, snail aembrane displacements are detected
as fringe notion across a sensing prism by two photomultiplier
tubes. Large displacements are averted by a servo loop which
applies the photomultiplier difference signal to electric grids,
forcing the aeabrane to stay within one order of the resonator.
The loop feedback signal is a calibratable measure of the gas
optical aolecular absorptivity at the wavelength of the ruby laser
pulse. One practical problen of the acoustic method is the high
freguency and transient nature of the signal. The longest
wavelength is twice the laser beaa diameter, so the signal
frequencies are 300 kHz and higher. The membrane oust be very
thin to respond to such high frequencies and its displacement is
typically less than 1ft. The aeabrane reflectivity cannot be made
greater than 60%, so the resonator fringes have low finesse.
These practical difficulties make shot noise in the fringe-reading
photometer, rather than Brawnian noise the limit of performance.
In the spectrophone, high freguency problems are avoided. The
observation time is 30 milliseconds, set by thermal diffusion from
the gas sanple to the tube walls. The nembrane can be much
thicker and still have a 12abd2/10 displacement for a typical
pressure rise of 1 dyne/sg cm.. Initial experiments indicate great
sensitivity with the spectrophone. (Author abstract)##
02504
02504
V. D. Baiaaonte, D. H. Snelling, and E. J. Bair
VIBRATIONAL ENERGY OF OZONE DOSING PHOTOLYTIC EXPLOSION.
J. Chen. Phys. 44, (2) 673*82, Jan. 15, 1966.
CFSTI, DDC AD 633291
Following a short photolysis of the proper energy the absorption
spectrua in the region of the ozone Uv system, a continuum
centered at about 2550 A» broadens'and shifts toward longer
wavelength as the reaction proceeds. Kinetic neasuceaents of this
shift over a period of 200 nicrosecs following a mild photolysis
flash of 12 nicrosecs duration in 0*5 Torr pure ozone are
interpreted in terns of population of ozone vibrational energy
states by exchange of energy with vibrational!? excited oxygen
formed during the exotheraic decomposition. Considerable 02-03
vibrational equilibration occurs within 50 aicrosecs. A
semi-empirical model which correlates the ozone vibrational
teaperature and the observed data is discussed in relation to the
over-all energetics of ozone decoaposition. (Author abstract)##
M. Basic Science and Technology
1099
-------
02508
D- G. Clifton
APPROXIMATE THERMODYNAMIC FUNCTIONS FOB THE K02(G) IOff
(TECHNICAL SEPT.), General Hotors Corp., Santa Barbara,
Calif.., 6(1 Defense Research labs,, Aerospace Operations
Califn. Defense Research Labs., Aerospace Operations Dept.,
Bay 1966. 13 pp.
DDC AD 48*1367
Approximate values for the free-energy function, enthalpy
function, entropy, and constant-pressure heat capacity have been
computed and tabulated for the temperature range from 300 K
to 6000 R for the N02 (g) ion* {Author abstract)#*
C2517
D. narsh and J« Heicklen
FH0T00XID AT ION OF PERFLOOROETHfL IODIDE AND PBRFLOORO-N-PROPYL
IODIDE. Aerospace Corp., El Segundo, Calif., lab.
Operations. Apr. 1966. 11 pp.
DDC: AD !»8391«J
Perfluoroethyl iodide and perflucro-n-pcopyl iodide were
photolyzed in the presence of oxygen. In both cases, the major
product is CF20. In the C2F51 system, it is produced with a
quantum yield of about 2.0. CV3CF0 is also produced, but is
100 times less important. With HI present, the oxidation is
drastically modified, and the H02 intermediate must live at least
10 to the 7th sec. (Author abstract)ft
02528
T. F. Thomas aad C. Steel
PBOTOIfllTIATIOH OF UNIHOIECOLAB REACTIONS. THE PHOTOLYSIS CF
2,3-DIAZABICYCLO (2. 2.1) HEPT-2-ENE.. J.. Am. Chem. Soc.
87, <23) 5290-3, Dec. 1965
The gas-phase photolysis of 2,3-diazabicylo(2.2.1)hept-2-ene (I)
with 337-millimicrons light has been investigated in the pressure
range 10-1000 microns. The variation in the yields of hydrocarbon
products, bicycle(2.1.0) pentane <11} , cydopentene (III), and
1,3-cyclopentadiene (IV), with pressure is consistent with the
initial formation of "hot" II which can either be deactivated or
isomerized to "hot" III. The latter can either undergo
unisolecular decomposition to yield IT or be deactivated.
Changing the wave length of irradiation from 313 to 33ft
millimicrons changed the relative yields of the products in a
manner consistent with this "hot" molecule mechanism.
-------
02531
R., So Johnston and J.. Heicklen
PR0TCCHEHICAL OXIDATIONS. Ill, ACETONE- Jo An.. Chenu
Soc. 86, imS-SU, Oct.. 20, 1964.
The tocii-temperature photocxidation of acetone (0..25 to 17 nm.)
in oxygen (0.09 to 9«7 mm.} with continuous UV radiation above
2200 A. was studied by the method outlined in. part I of this
series; observations were made by leaking the reaction mixture
directly into the electron beam of the mass spectrometer during
photolysis., The principal products of the reaction were H2C0,
H20 CH30H, and CH300H; minor products were CH3COOH,
HC30OCH3, and higher molecular weight products which were
probably CH3COCHO and CH3C0CH20B.. Eecause of the
cracking pattern of the reactants, it was impossible to establish
the presence or absence of CHI, C0# CH2C0, and CO2.
From the identified products at least 1ft free radicals are
inferred to be intermediates in this system.. An exhaustive and
impartial examination of all possible radical-radical
disproportionation and recombination reactions indicates that the
data excluded a large number of possible reactions but that 140
reactions could still be occurring* Formaldehyde, so far as
these studies gc, could be formed by 39 different reactions.
Thus, this experimental method cannot give a complete mechanism,
nor can any method that simply analyzes all molecular products.
(Author abstract)##
02535
H. s» Johnston and J. Heicklen
PHOTOCHEMICAL OXIDATIONS.. IV. ACETAIMHTDE. J. Am. Chem.
Soc.. 86, 4254-8, Oct„ 20, 1964..
The rocm-temperature photocxidation of acetaldehyde (0.4 to 18
mm-) in oxygen (1»0 to 9-2 nm.,) with continuous uv radiation above
2200 A was studied by the method outlined in part I of this
series. Observations were made ty leaking the reaction mixture
directly into the electron beam of the mass spectrometer during
photolysis. The principal products of reaction were CH30H
and presumably CO and C02; other products were H20, CH20,
HCOOH, CH300H, CH3C00H, CB300CH3, and probably
CH3C (0)OOG. Because of the cracking pattern of the
reactants, it was impossible to establish the presence or absence
of CH4, CH2CO, CO, and C02.. Oxidation of the primary
radicals, CH3 and HCO, leads to CH300, CH30, HO, and
B02, and probably HCO(00| and HCG0n. There are at least six
radicals in this system that can disproportionate in 36 ways and
undergo other reactions. Thus this reaction is much too
complicated for its mechanism to be revealed merely by analysis of
all products, (Author abstract)*#
M. Basic Science and Technology
Itoi
-------
02731.
PARTIAL OXIDATION PRODUCTS FORMED DURING COMBUSTION (SIXTEENTH
PROGRESS HEPT- JULY 1 TO DEC. 31, 1966.) California Inst* of
Tech., Pasadena, chemical Engineering Lab. 1966. 16 pp..
During the period covered by this report, primary effort was
directed to the investigation of the effect of the nature of fuels
upon the formation cf the residual quantities of the oxides of
nitrogen and upon the microscopic nature of the perturbations
resulting therefrom. Tables summarize results of these studies.
Table I sets forth the experimental conditions in connection
with the investigation of the behavior of the propane-air and the
n-butane-air system. In Table II, the composition of the
reaction products of the ethane-air system propane-air and
n-butane-air systems are summarized. The analysis of the
perturbations in normal stress obtained in connection with the
propane-air and ethane-air systems is given in Table III.
Plans for continuation of these studies upon the renewal of the
Public Health Service Grant So. AP-00108-08 are discussed.
02761
H-H. Reamer B. H. Sage
OSCILLATOR'S COMEUSTIOB AT ELEVATED PRESSURES- Preprint., 1966.
The effect of combustion conditions upon the magnitude of the
perturbations in normal stress and in total light intensity
have been investigated in a cylindrical combustor 1„0 in. in
diameter and approximately 24 in. in length. The results
are presented in graphical and tabular form. The quantities of
oxides of nitrogen for a number of combustion conditions have been
included.. {Author abstract)*#
C2788
G. A.. LutZ
PHOTOCHEMISTRY - A GROWING TECHNOLOGY. Battelle Tech. Rev.
15 (11) 11-5, Nov. 1966,,
This discussion has reviewed some of the technological
achievements that are making photochemistry increasingly important
as a production tool. The article has also demonstrated that
photochemistry has developed into a methodology of delivering exact
amounts of energy that can be used for chemical syntheses, some of
which are now the bases of industrial processes. A critical
appraisal of the current research effort, and of the developments
and processes that have emerged, suggests that photochemistry will
be of increasing significance in a number of industrial fields.
Thus, it will be important in the manufacture of new chemicals and
chemical intermediates for fibers, foods, drugs, solvents
catalysts, polymers, and insecticides, and for chemical processes
useful in information copying, storage, and retrieval systems.it
1102
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
02817
S. G.. Cohen
ACTION OF MEECAPTAH AND DISULFIDE IN HYDROGEN ATOM EXCHANGE
REACTIONS. Brandeis Univ.,, Haltham, Bass,, Dept. of
CHEMISTRY (REPT. NYO-2499-16„) BAY 24« 1965. 25 PP.
CFSTI NYO 2199-16
Bercaptan and disulfide forn systems very effective in
transferring hydrogen atoas to and from free radicals with rate
constants of 0.001 - 0«0001 H/sec. Photochemical and high energy
radiation processes nay convert an initially stable system to one
containing free radicals formed by transfer of hydrogen atoms froa
one molecule tc another. Thus both combination and
disproportionation of the reaction, K plus NH2 yielding HH
plus NH, radicals are thernodynanically favorable processes* but
combination reactions lead to the usually observed products.
When mercaptan and disulfide are present, they lead to the
disproportionaticn products, returning the system to its initial
state. Being used repeatedly, each HH. plus AS yielding fl
plus ASH yielding NH2 plus AS. aolecule of sulfur compound
nay negate the consequences of aany quanta, or afford protection
against radiation damage. They nay also lead to products
different frcB both the starting aaterials and the usual products.
In free radical and photochemical systeas in which transfer of a
hydrogen atom is a chain-propagating step and radical combination
is terminating, the aercaptan disulfide may provide striking
catalysis, in all cases* the reactions of the sulfur coapouads do
not exclude the usual reactions but are competitive with the a-
(Author conclusions modified)»#
02837
C. S„ Tuesday
THE ATMOSPHERIC PHOTOOXIDATION OF TBANS-BDTEBB-2 ASD NITRIC
OXlDSfl General Rotors Research labs., Barren, Rich. 1961.
35 pp., (Presented at the international Symposium on Chemical
Reactions in the lower and Opper Atmosphere, San Francisco,
Calif-, Apr. 16-20, 1961.)
To elucidate the mechanism of the atmospheric photochemical
reactions of olefins and nitrogen oxides, the reactions that occur
upon the irradiation of oxygen-nitrogen mixtures containing several
parts per millicn of nitric oxide ^nd trans-butene-2 were
investigated. Trans-butene-2 was nsed as a model olefin because
of its symmetry and relatively rapid reaction rate. The effects
of several variables on the rates of trans*butene~2 disappearance
and nitrogen dicxide formation were determined together with the
effect of these variables on the concentrations of reaction
products. Reaction variables investigated include nitric oxide,
nitrogen dioxide, trans-butene-2, and oxygen concentrations as
well as light intensity and total pressure. A reaction scheme is
proposed to rationalize the observed effects these reaction
variables have on the rates of trans-butene-2 and nitric exide
M. Basic Sconce and Technology
1103
-------
photooxidation and on the concentrations of reaction products.
The experimental results support the general conclusion that a
free radical chain reaction initiated by the reaction of oxygen
atoms with trans-butene-2 is very important in the atmospheric
photo-oxidation of trans-butene-2 and nitric oxide.##
02838
9. A. Glasson, and C. S. Tuesday
THE ATHOSPHEBIC THEHMAL OXIDATION IN NITHIC OXIDE. General
Motors Research labs., Darren, Bich. 1963. 14 pp.
(Presented in part at the IttHth National Meeting, American
Chemical Society, Los Angeles, Calif., Apr. S, 1963.)
The kinetics of the thermal oxidation of NO in oxygen nitrogen
mixtures have been determined in the parts-per-nillion range by
long-path infrared spectrophotometry. The results of this
investigation indicate that the reaction is second-order in NO,
first-order in oxygen, and independent of the concentration of
added N02, with a third-order rate constant, at 23 C, of
1.57 (plus or minus .09) times 10 to the minus 9 power per
(sq ppm - mnj« It is concluded that the kinetics of the thermal
oxidation of NO are adeguately described by a simple third-order
rate law and do not require the complexities suggested by
Treacy and Daniels. In addition, it was found that there is
no effect on the rate of the thermal oxidation due to either
{a} addition of several olefins or |b) photolysis of the product
N02. (Author abstract)##
02851
E. B.. Stephens
THE BOLE OF OXYGEN ATOMS IN THE ATHOSPHEBIC BEACTION OF OLEFINS
WITH NITRIC OXIDE. Intern. Air Hater Pollution 10,
(11-12) 793-803, Dec. 1966.
The photoconversion of nitric oxide to nitrogen dioxide in the
presence of olefin at low concentrations in air was studied with
two objectives: (1) to test the hypothesis that oxygen atoms
ace the principal reagents attacking the olefin in the absence of
ozone; and (2) to determine the average number of nitrogen dioxide
molecules formed for each molecule of olefin consumed to see
whether the conversion has the aspects of a chain reaction. On
the basis of the O-atomshypotheais it is predicted that the
rate of oxidation of a given olefin should be proportional
to the produce of the light intensity and the nitrogen dioxide
concentration. It should not be affected by the addition of
a second olefin. This was found to be nearly true for a wide
variety of reaction conditions. About one to two nitrogen
dioxide dioxide molecules were formed for each iiolecule of propene
oxidized.##
1104
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
02853
Y„ Masuda, M. Kuratsune
PHOTOCHEMICAL OXIDATION OF BENZO(A) PYRENE. Intern.. J, Air
Rater Pollution (Presented at the 23rd Annual Meeting,
Japanese Cancer Association, Tokyo, Japan, Nov. 11, 1964.) 10
(11-12) : 805-11, Dec.. 1966.
Benzo(a)pyrene dissolved in benzene was irradiated by UV
light of wave length greater than 280 millicrons.. Oxygen
was present in the benzene. The irradiation product was
fractionated by aluiina coloan chromatography, isolating
three crystalline compounds. These compounds were determined
as 6,12-benzo(a)pyreneguinone, 1, 6-benzo(a)pyreneguinone and
3,6-benzo(a)-pyrenequinone by their melting points, data of
elementary analysis, and IB as well as UV absorption
spectra. AA##
02899
J. F. van der Hal
CONCENTRATING DILUTE AEROSOLS BY ELECTROSTATIC HETHODS.
National Defence Research Organization TNO, Rijswijk,
Netherlands, Cheiical Lab. (Rept. 1966-12.} 20 pp., June
1966.
DDC AD 488229
A first attempt was made to develop a method by which aerosols can
be concentrated, using electrostatic principles. Plastics were
given an electrostatic charge by sudden removal of the plastic from
a high voltage source. The aerosol was precipitated on the
charged plastic. The concentration of the precipitated aerosol
was determined with an electron-microscope. The reproducibility
of this tentative method is reasonably good, compared with methods
based on other electrostatic phenomena. In the present stage, the
method is insufficiently sensitive; this might be improved by
optimalization of the experimental conditions. (Author summary)#*
02904
A. Goetz
HETHODS FCH MEASURING PARTICLE COMPOSITION IN PHOTO-ACTIVATID
AEROSOLS . J. Air Pollution control Assoc. 14, (6) 213-9,
June 1964, (Presented at the 56th Annual Meeting, Air
Pollution Control Association, Detroit, Mich., June 9-13,
1963-)
Author discusses the basic processes and mechanisms which cause
the photochemical formation of aerosols, that is which effect the
conversion of certain atmospheric constituents from the gaseous
into the aerocolloidal state. Author demonstrates that it is
M. Basic Science and Technology
1105
-------
possible to study the formation and decay of such aerocolloidal
systems in considerable detail, particularly as to the quantitative
relationships between the photochemical partners.##
03009
P„ de Kayo
THE PHOTOCHEMISTRY OF UNSATURATE SYSTEMS CONTAINING HETEHO ATOflS
OTHEF THAN OXYGEN (PINAL KEPT® SEPT.. 1965-MAY 1966)..
Western Ontario ODiv„, London, Canada, Dept.. of
Chemistry. 6 pp.# 1966
This report presents a summary of a study of the products and
mechanisms of reactions wherein unsaturated systems containing
nitrogen or sulfur are photolyzed. Included are studies of
(1) the photocheaical Beckmann rearrangement, (2) the general
heteroaton transfer, <3) coumalin dinerization, and (4) the
photolytic decomposition of B-ketosulphones.##
03016
J.. F. Kelso
THE PHODOCTION OP ATOMIC OXYGEN BY THE THERMAL DECCBPOSITION OF
OZONE- Ballistic Besearch Labs.., Aberdeen Proving
Ground, Hd„, interior Ballistics Lab.. (BRL dept. No.
1323) 2H pp., June 1966
To study the reactions of atonic oxygen it is desirabe to have
a supply that is free of metastable energetic species of
molecular and atomic oxygen which are formed in discharged
oxygen and because fo their side reactions can lead to serious
errors in calculations. Therefore, the homogenous, thermal,
gas phase decomposition of dry ozone was tried and found to be
a satisfactory source if the residence time of ozone in the
furnace is carefully regulated by furnace length and carrier
gas flow, followed by rapid cooling of the products of
decomposition- (Author abstract}##
030 20
E. Hiescher
ANALYSIS OF THE SPECTBUB Of TBE NITRIC OXIDE MOLECULE
(1INAL SCIENTIFIC BEPT.}.. Basel Univ., Switzerland, Inst*
of Physics. (Bept. No. ATCHL-66-U40) 7 pp. Bar. 31, 1966.
The experimental studies of the spectrum of the NO molecule are
reviewed. A short description cf the observed 3 delta states
and of Bydberg-complexes is given. Problems left for future work:
on the NO spectrum are discussed.##
1106
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
03066
D. Durant and G» P. HcHillan.
ENERGY DISTRIBUTION OF PHOTOCHEMICAHY GENERATED T-PENTOXY
RADICALS.. J„ Phys« Chen. 70 |9) 2709-13, Sept. 1966.
Previous studies on excited alkoxy radicals formed in
photochemical processes were extended to the t-pentoxy species,
which is Hell known to decoapose by two parallel paths. The
ratio of rate constants k sub 1/k sub 2 was estimated to be 10fc at
114 degrees froi experiaents on pyrolysis of t-pentyl nitrite..
For radicals foraed by photolysis of this compound, k sub 1/k sub
2 depends strongly on the absorbed wavelength but does not reach
the expected liiiting value of 104 at the longest wavelength
which could be studied. The dependence of quantum yields at
3660 A on pressure of an added scavenger, nitric oxide, showed
that the k sub 1/k sub 2 obtained frca photocheaical experiments
could be accounted for quantitatively by a contribution from
excited radicals and a contribution identical with the ratio for
unexcited radicals, obtained from pyrolysis experiments. These
results provide United justification for the "alpha method" often
used in kinetic treatment of excited radical effects.
Quantvm-yeild measurements at high pressures of added nitric
oxide suggest preferential removal of excited radicals of lower
energy and disclose a bread energy distribution of the excited
radicals. {Author abstract)#*
03107
R.W. Boubel I.A. Ripperton
OXIDES OF NITROGEN AND tJNBURNBD HYDROCARBONS PRODUCED DURING
CONTROLLED COMBUSTION. J. Air Pollution Control Assoc. 15,
(6) 270-3, June 1965.
A diffusion flame burner was operated to determine the effect of
several parameters on the quantity of NOx and unburned
hydrocarbons produced* The statistical analysis indicated
the unburned hydrocarbon eaissions to be dependent upon the
rate of heat release in the system, the amount of excess
combustion air, the fuel molecular structure, and the
interaction between the fuel structure, and the amount of excess
air. The NOx emissions reached a maximum at the conditions
which yielded minimum unburned hydrocarbon emissions. Multiple
regressions were made which yielded predicting equations for
both the unburned hydrocarbon and the.*
SOx for the apparatus used- (Author abstract]##
03im
B.A. Glasson C.S. Tuesday
HYDROCARBON REACTIVITY AND TBI KINETICS OF THE ATHOSPHBRIC
PHOTOOXIDATIOM OF NITRIC OXIDE. General Motors Corp.,
M. Basic Science and Technology
-------
Barren, Rich., Fuels and Lubricants Dept. (Research
Publication GHH-586) Aug.. 15, 1966. 23 pp. (Presented at
the 59th Annual Meeting, Air Pollution Control
Association, San Francisco, Calif., June 20-24, 1966.)
The reactivity in the atmospheric photooxidation of NO has
recently been determined for a large number of hydrocarbons. To
aid in the application of these hydrocarbon reactivity
measurements, the kinetics of the atmospheric photooxidation
were studied. The hydrocarbon investigated covered a vide
range of reactivities and structures and included: 2,3-dinethyl-2-
butene, 2-methyl-2-butene, 2-methyl-t-pentene, propylene,
sesitylene, and n-hexane. The rate of NO photooxidation
increases less than linearly with hydrocarbon concentration for
all the hydrocarbons studied. The degree of non-linearity,
however, varied vith hydrocarbon structure and
reactivity. The effect of the DC and the N02
concentrations on the rate of NO photooxidation also depended
somewhat on hydrocarbon structure and reactivity. For all of
the hydrocarbons studied, however, the NO photooxidation rate
increased linearly with increased light intensity. The effect
of complex hydrocarbon mixtures on the rate NO photooxidation
was investigated using 3 commercial gasolines. The NO
photooxidation rates measured for these mixtures agreed within
experimental error with calculated rates based on
chromatographic analyses of the gasolines and the reactivity in
NO) photooxidation of the individual hydrocarbons in the
gasolines. {Author abstract)##
03149
S. An Clough and F. X. Kenizys
C0RI0LX5 INTERACTION IN THE ND1 AND N03 FUNDAMENTALS OF OZONE.
0. CHEB- PHIS- <{29 1855-61, BAR. 1, 1966.
CFSTI, DEC AD 638825
The du sub 1 and nu sub 2 vibration rotation spectrum of ozone in
the 9«0 aicron region was analyzed. The 2 vibration states are
coupled through a Coriolis tern, iY sub 13P sub y, and a
second-order distortion term# -X sub 13 (PsubxPsubz plus
PsubxPsubzPsubx), in the Hamiltonian. The interaction was
treated by numerically diagonalizing the secular determinant for
the 2 states with the coupling included. The effect of the
interaction of the intensities was considered and absorption
contours calculated in satisfactory agreement with experiment.
Rith the distortion parameters fixed to the groundstate values,
the constants were obtained.##
03150
CATALYTIC COHBtSTICN OF CABEON BCBCXIDE ON COPPER 07IDE (EFFECT
OF VATS8 VAPOR)« Ind. Eng. Che*, Process Design
Develop. 5 (3) 214-7, July 1966.
1108
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
The effect of water vapor on the catalytic combustion of carbon
monoxide on copper oxide was investigated. The water vapor
content in the carrier gas stream was varied from 0 to 3000 pprc
with the total gas flow maintained constant at 400 hr (NTPJ at
temperatures ranging from 70 to 130 C., The initial concentration
of carbon monoxide was varied from 500 to 1500 ppm. The reaction
was first order for water vapor concentrations of 300 ppm* and
above and 0*U order in the absence of water vapor. The combustion
rate of carbon monoxide was strongly affected by small changes
in water vapor concentrations when the total water vapor content
was less than 800 ppm. {Author abstract)##
03160
Kimura o. Tada, K. Kunotsuki, and K. Nakaaki
ON THE GENEBATIOH OF S0LFDFIC ACID BIST FHOM S01FUH DIOXIDE IN THE
ATMOSPHERIC AIB. J. Sci. labour 41, (10) 510-11, Oct- 1965.
Experimental studies are reported on the simulated oxidation of
sulfur dioxide in atmospheric air* It was observed that the
higher the air current velocity, and the higher the relative
humidity, the more marked the decrease of S02 concentration.
Sulfuric acid studies showed that it is produced by oxidation of
S02 in the air and that the coexistence of N02, 03 or H202
enhances the production of H2S04. Microscope studies of the
sulfuric acid list formed by S02 oxidation revealed that the
presence of particulate natter contributes to the formation of the
acid mist. Electron microscope studies substantiated experimental
results by showing that samples of city air contained particles
similar to sulfuric acid mist particles obtained experimentally..##
C3177
H. Sjogren
FOFMATIOM O? CARBON DIOXIDE JOltS AFTSH E1ECTB0N ABB ION IMPACT.
Boyal Inst, of Tech., Sweden, Dept. of Physics. March 15,
1966. 18 pp.
The ionization of C02 was investigated in a double mass
spectrometer, and the breakdown graph was constructed. The
appearance potential of o plus formed in dissociative charge
transfer is shown to be 22-4 eV, while the electron impact value
is 19.5 eV. The discrepancy is explained according to
Higner-Vitmer correlation rules. A break in the electron
impact ionization efficiency curve is explained as being due to
charge exchange between CO plus ions, formed in the
dissociative charge transfer, and C02. (Author abstract}*#
M. Basic Science and Technology
-------
03179
I. Spialter and J.. D.. Austin.
THE CLEAVAGE OF SILASES EY OXIDES OF NITROGEN- J. Am.. Chem.
SOC,, 86, 1828, 1966.
CFSTI, EDC AD 638836
The cleavage of silanes by oxides of nitrogen is reported.
Triethylsilane reacts excthermally with N02 to yield
triethylsilanol and hexaethyldisiloxane. In a separate
experiment, under similar conditions, triethylsilanol readily
gave the dehydration product, hexaethyldisiloxane. The
silicon-silicon bond in hexamethyldisilane is also cleanly cleaved
by No 2 to hexamethyldisiloxane in 95% yield- Rupture of the
silicon-alkyl bond was observed when tetraethylsilane was allowed
to react with N02. The principal products obtained were
hexaethyldisiloxane and acetic acid. Under similar conditions,
hexaethyldisiloxane yielded hexaethylcyclotrisilcxane,
octaethylcyclctetrasiloxane, and octaethyltrisiloxane. The
silicon-aryl bond was also cleaved in trimethylphenylsilane by NO
2 to produce hexamethyldisiloxane and nitrobenzene- When all of
the phenyl group had been removed from silicon, the vapor phase
chromatogram of the crude reaction product did not show the
presence of any polysilcxane components other than the disiloxane.
The rate of cleavage of an ethyl group from hexaethyldisiloxane by
N02 was slow compared to that from tetraethylsilace. However,
all other cleavage reactions proceeded readily and with
exothermicity at room temperature to give reaction products in good
<90*) yields. NOo cleaved triethylsilane to triethylsilanol at
room temperature., MO also produced the silanol with complete
reaction in less than 6 ht, whereas N20 gave only 10* conversion
after 6 hr» It appears that the oxides of nitrogen behave
similarly toward organosilanes, but with differeing degrees of
activity, i.e., in decreasing order of reactivity, NOx, N03,
NO, and much slower N20»#1
03184
An Y. Dng and H. I. Schiff-
THE PHOTOLYSIS OP C02 AT 170 A- Can. J. Chem. 44, 1981-
91, 1966.
The apparatus used to study the photolysis contained a
collimatlng region which minimized the effect of divergent light,
and permitted the temperature of the cell and lamp to be controlled
separately.. Analytical sensitivity was such that conversions less
than 0..2X were possible. Although CO and 02 were the only
stable products, the CO/02 ratios were higher than those
required by mass balance. The product yields were found to be
independent of C02 pressure and to be linear with irradiation
time at 25 c„ At higher temperatures the quantum yields
decreased and at 200 C were no longer linear functions of
mo
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
irradiation time. The 02 yields decreased when CO Mas added,
the effect increasing with teaperature. The overall guantum
yield was less than unity. Reactions were observed with CH4,
H2, and H20 when these vere added in snail amount. These
results indicated the presence of a reactive species* capable of
promoting back reactions and of being adsorbed on the walls. A
mechanism is suggested which best fits the results and which
postulates C03 as the reactive species. (Author abstract)##
03186
G. wettermark.
HIGH INTENSITY PHOTOLYSIS STUDIES OP ACETONE AND SOBE ALIPHATIC
ALDEHYDES- Arkiv Kemi 18, (1) 79, Apr. 12, 1961.
CFSTI, DDC AD 639939
The vapor phase photolyses of acetone, acetaldehyde,
propionaldehyde, n-butyraldehyde end isobutyraldehyde were
investigated at very high light intensities. High intensity flash
light sources were used. Analyses for all major products were
made on samples which were exposed to unfiltered light ia a
cylindrical reaction vessel, in the present case 1800 joules were
discharged in this apparatus, giving absorbed intensities of the
order of 10 to the 25th F°*er guanta/sec/liter with a flash period
of 10 nicrosec. The stoichiometry of the products showed that all
important constituents were Measured. By using a very intense
point-discharge, quantum yields for the formation of the main
products were determined in parallel light. The samples
absorbed light in the absorption band around 280 aicrosec.
Flashes of 100,000 joules, which gave absorbed intensities of the
order of 10 to the 29th power guanta/sec/litre were used
throughout. The absorbed light dose vas calculated from a
knowledge of the various quantities involved. Thus the spectral
distribution of the light emitted from the discharge was
determined. in all cases the samples were subjected to one
single flash. The product yields were determined by gas
chromatography using a flame ionization detector or a high
sensitivity thermal conductivity detector. Helium was added in
some experiments in order to deternine the influence of the
reaction temperature on the product yields* It was found that
reactions which are first order with respect to radical"
concentration could be satisfactorily eliminated. This resulted
in a striking simplification of the reaction schemes and has led to
new information concerning the primary photochemical mechanisms and
the reactions of the formed radicals.#!
*
03343
HYDF0CA8B0M - AIR FOIL CUIS {SBEX-AN80AL TECHNICAL SOHWART
REPORT NO. 9f J AH. 1 - dOli 30, 1966)* General Electric
Co., tynn, nass„
-------
directed towards the understanding of the complex processes
occurring at hydrocarbon anodes. Surface species were identified
as partially dehydrogenated radicals derived from fuel, cracking
products and partially oxygenated species* Some are particularly
refractory and contribute to limitations on performance. In all
cases, the anodic performance is strongly influenced by the
adsorption rate, the ability of the catalyst to promote
cracking, and the reaction of C{1) radicals with water.
Accumulation of the refractory species results in the lowering
of maximum currents. For economic reasons, long term goals
indicate the use of non-platinoid electrocatalysts in fuel cell
electrodes. At present, work is being concentrated on more
effective utilization of the noble metals, especially Pt, Pt-Ru,
Pt-Ir, and ternary alloys of Pt, Bu and Au were evaluated as
high area catalysts in thin porous electrodes, with 85* H3P04
electrolyte, and propane and octane fuels. None showed
significant improvement over Pt used alone. Better results with
these alloys were obtained with H2-C0 fuel mixtures.
Electrodes: Emphasis in this area is on the development of
electrode structures which employ the catalysts developed from the
above mentioned research. Basic electrode structure is the thin
proous Niedrach-Alford types, Hajor effort was directed toward
B4C supported catalysts. Rulti-Component Fuels: Plans are to
include research on mixtures of saturated hydrocarbons, olefins,
aromatic hydrocarbons as well as the reference fuel of octane.
Electrolytes: The principal electrolyte has been concentrated
H3P04. HP was used as an alternate electrolyte and did not
show the same tendency to cycle as the H3P04 electrolyte.##
03349
I.. Cu Hisatsune.
STRUCTURES OF SOME OXIDES OF HITBOGEN (SOHMAHY PBOGBESS SEPT.
OCT. 27, 1965 - DEC. 31, 1966). Preprint. Dec. 31, 1966.
The kinetic study of the third order reaction between NO and
02 was completed* Partial pressures of MO and 02 were varied
from one to 200 mm and one to 170 mm respectively, and mole ratios
of these reactants were chosen so that the final partial pressures
of the reaction product N02 were between one and 14 mm.
Nitrogen gas was used as diluent in order to maintain essentially
a constant total pressure (near 480 mm) during the reaction. The
reaction was followed by recording the changes in the absorption
intensity of the 1640 cm-1 N02 IS fundamental band* Kinetic
runs were made with one reactant in excess, and the resulting
experimental data gave pseudo first or second order rate plots
which were linear over 80 to 90 percent of the reaction. The
temperature dependence of the rate constants was studied between 4
and 55 C. In this case, both the reaction cell and the reactant
storage bulbs were maintained at constant temperature. From the
tabulated experimental data a rate constant foe this third order
reaction was obtained: k ¦ (6.18 + or - 0.20)x103 exp<+0„50 + or -
0.40 kcal/mole)/BT) liter 2 / mole 2 -sec where the estimated
uncertainties are maximum errors. Kinetic studies on the
H0—C12 and N0-Br2 systems were initiated. In the case of the
chloride system, the reaction was found to be influenced by
fluorescent light but not by the IB light source. Tentative
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
values of the rate constant at 22.7 C were found to be 19.6 + or -
0.7 and (7..92 ~ or - 0.42) * 1000 liter 2/mole 2 - sec respectively
for the chloride and the bromide.*#
03356
A. H. Taylor
OZONE PREPARATION AND STABIIITY IN HIGH CONCENTRATIONS (VOLUME
2 BIBLIOGRAPHY) (FINAL SEPT.). Air Reduction Sales Co»,
Murray Hill, N.J., Dept. of Research and Engineering.
Sept* 22, 1949.. 234 pp«
CFSTI, DDC 639200
The literature references and abstracts which are assembled in
this bibliography have been located through formal searches of
abstract journals listed in the appropriate Table below, and in
general are limited (a) to those appearing during the last third
of the century of active interest in ozone, and (b) to selected
topics of immediate application. It was apparent at the outset
that much of the early work would either be superseded by more
accurate observations or be guoted by later workers. It was
also expected that if use should indicate the advisability of so
doing, additional material could be added at will to a bibliography
which was flexible in arrangement, in its present state of
development (Sept. 22, 1949) the ozone bibliography represents a
careful formal search of the Chemical Abstracts Indexes from
1917 through 1948 plus searches in the individual numbers which
have appeared thus far in 1949. Since insufficient information on
the toxicity of ozone was available solely fcon Chemical
Abstracts, additional searches back to 1910 were made in the
various aedical abstract journals. In the course of the above
efforts and by legacy from previous searches, a number of earlier
and pertinent references have been obtained and are included.
(Author introduction modified)*#
03361
B. H., Sage
FORMATION OF OXIDES OF NITROGEN DURING COMBUSTION AT ITHOSPHEHIC
PRESSURE. Preprint., 1966..
Experimental measurements were made of the perburbations in
monochromatic and total optical intensity. Supplemental
measurements of the perturbations is normal stress were nade. All
of the aeasureaents were carried out at a natural gas mixture ratio
of approximately 0.88 stoichioaetrlc. The composition of the
products of reaction is set forth. The aole fraction of oxides of
nitrogen as well as the principal components including carbon
dioxide, oxygen and carbon monoxide are included. A significant
variation exists in the perturbations in noraal stress and in
monochroaatic intensity with respect to tine. The perturbations
in monochroaatic intensity see* to undergo more
variation than do the perturbations in noraal stress* For the
most part the frequency of the perturbations in noraal stress and
M. Basic Science and Technology
-------
in monochromatic intensity, corresponding to the wavelengths of
carbon dioxide and water, is substantially egual. A limited
number of measurements were made in the upper part of the coabustor
with regard to the perturbations in optical intensity.. The
relative magnitude was comparable to the perturbations encountered
near the flameholder^ Comparisons are presented of the
perturbations in normal stress and the perturbations in
monochromatic intensity corresponding to the emission of carbon
dioxide at two different time scales. The variations in the
stability of the two types of perturbations are markedly different.
The frequencies of these perturbations are closely allied and
appear to offer credence to the assumption that they are directly
related. A similar comparison is made for the perturbations in
monochromatic intensity of the wavelength corresponding to the
emission of water» Again, the irregularities of the fluctuations
in the nature of the perturbations in monochromatic intensity, as
compared to the relatively regular perturbations in normal
stress, are evident-##
03428
C.. S. Tuesday,,
THE ATMOSPHERIC PHOTOOXIDATICS CF OLEFINS: THE IFFICT OF
NITROGEN OXIDES. General Hotcrs Research Labs, Warren,
Mich., 1961, 25 pp. (Presented at the Conference on Hotor
Vehicle Exhaust Emissions and Their Effects, Los Angeles,
Calif., Dec. 5-7, 1961.) (Bept. No. GHS-355.)
The role of the oxides of nitrogen in the atmospheric
photooxidation of olefins was further investigated. A previous
study from this laboratory indicated, among other things, that the
photooxidation of trans-2-butene was both promoted and inhibited
by nitric oxide depending upon the concentration. To explain and
extend this observation, the effects of various concentrations of
NC2 and NO on the photooxidation rates of propylene,
isobutene, trans-2-butene, and 2,3 dimethyl-2-butene were
determined together with the effects of NO concentration on
reaction products. The olefins investigated differed not only in
photooxidation rate for a particular N02 concentration but also
in the dependence of this rate on the initial concentration of
N02. Initial increases in N02 concentration increased the
photooxidation rate of all the olefins studied. When the initial
N02 concentration was increased further each olefin behaved
differently. The photooxidation rates of trans-2-butene and
tetramethylethylene increased with increasing concentrations of
NO up to a maximum rate. Further increases in the initial
concentration of NO reduced the photooxidation rate of both these
olefins,. Further increases in NO concentration inhibit the
olefin photooxidation rate by decreasing the concentration of ozone
and the rate of the ozone-olefin reaction* The decreased rate of
ozone plus olefin reaction also decreases the rate and amount of
compound X formation since compound X is apparently formed by
further reactions of some of the products of the ozone plus olefin
reaction. The role of the oxides of nitrogen in the atmospheric
photooxidation of olefins is guite complex. NO promotes or
inhibits olefin photooxidation depending upon the ratio of
reactants.. N02 promotes or inhibits olefin photooxidation
1114
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
depending both on the relative concentration of reactants and the
nature of the olefin.**
03446
B. H. Croon and E. 9. ley he.
THEBHODX8AMXC, THANSPOHT, ADO ftC* PH0P1BTIES JOB THE PRODUCTS
OF HETHANE BOBBED IN OXIGEN-SNBICHED AID* National
Aeronautics and space administration, Langley Station
Haaptoii, Va.., Langley Research Center. (Bept. No. NASA
SP-3035.) 1966. 90 PP.
CFSTI, NASA: SP-3035
In testing materials for resistance to extremely high-temperature
oxidizing environdents, large-scale hypersonic test facilities for
simulating flight environments to which some of these materials may
be exposed are used. Combustion heating of a high-pressure
airstrean is one of the approaches used in this simulation. It is
scaetiaes desirable to Maintain burning in a test gas in order to
deteraine the effect of oxidation on materials in the test gas-
As combustion-product oxygen percentages approaching those in air
(20* by vol) are required, the need for data on the properties of a
combustion-heated, oxygen-enriched test medium is obvious. The
present paper presents results of the data obtained on the
properties of nethane burned with oxygen-enriched air. These
include calculations to deteraine the composition and the
thermodynamic, transport* and flow properties (including noraal-
shock properties) of gas aixtures. These properties are computed
for sethane burned in ait enriched vith oxygen so as to aaiatain
approximately 20% oxygen in the conbustion products. Results are
presented for egulvaleace ratios of 0-315, 0.380, 0.425, 0.480, and
0.525, for pressures varying fro* 0„0001 to 1000 atmospheres and
for temperatures froa 100 B f56K) to 6000 B (3300K). fAnthor
symmary) *1
03464
B. Gorden* Or. and ?. Ausloos
VAPOR-PHASE PHOTOLYSIS 07 IOBHIC ACID. J* Phys. Chei. 65,
1033-7, June 1961.
The direct photolysis and the photosensitized decomposition of
BCOOH and DCOOH were investigated in the presence and absence
of radical scavengers. The results indicate, in contrast to those
of earlier investigation** that besides reactions I and IX which
involve intramolecular rearrangements HCOOH plus bv equals 920
plus CO (I) and HCOOH plus hv equals H2 plus C02 (II)
radical-producing primary processes *ust be considered as well.
2t will be shown that prccess HC00H plus hv egualsHCO plus
OH is the »ost important source of free radicals in the direct
photolysis of focftic acid. The effect of tetperature on the rate
M. Basic Scltncft and Tectaolo#
1115
-------
of formation of the products was investigated in some detail.
Above 200 degrees three different chain processes vera found to
occur: (aj K plus HC00H equals H20 plus HCO, HCO eguals
H plus CO;
-------
wcrkers to this ion was found to belong to water, but a new
fundamental was observed beyond the spectral range studied
previously. Frequencies of the fundamentals have been assigned
and confirmed by normal coordinate analysis. Some infrared data
on isotopic hyponitrous acids have also been obtained™ The acid
appears to have a C(2h) symmetry in the solid state™ (Author
abstract)##
035221
5. C., Cookson
aSYHWETHIC ELECTRONIC TRANSITIOHS AND PHOTOCHEHISTM. (Final
Technical Status Report). Southampton Oniv., England, Dept.
of Chemistry- Nov. 1965. 1<» pp.
DDC: AD 479 2«I0
Sigma to slgma transitions of organic compounds have been observed
for the first tine in the region of 210 to 260 millimicrons*
Delocalisation of the signa electron requires a chain of H atoms,
the first and fourth having p orfcitals parallel with the sigma
bond joining the second and third- Examples are reported amongst
unsaturated ketones, unsaturated amines and amino-ketones.
The circular dichroism of 3 alpha- and 3
beta-phenyl-2»2 - ethylenedithic-chclestane and of seme conjugated
oximes is reported. The sign cf rotation of the latter depends on
the helicity of the chromophore in the same way as for alpha, beta
unsaturated ketones. DV irradiation of hexamethylcyclohexane -
1,3,5-trione results in successive decarbonylation and
beta-diketone - enol - lactcne rearrangements.. Photochemical
isomerisation of four optically active camphenones involves
intramolecular migration of the carbonyl group from one end to the
other of the olefinic group, converting the bicyclo (2,2,1)
heptenone into the bicyclo 13*2*0} heptenone system. The
photoproducts show the high values of delta E characteristic of
extensive mixing of n to pi and pi to pi transitions. {Author
abstract)##
03551
P.. Ausloos and E.. Burad.
THE FLUORESCENCE AND PHOSPHORESCENCE OF TRIFWJOB ACETONE VAPOR.
0- Phys. Chem. 65, 1519-21, 1961..
The fluorescence and phosphorescene of trifluoroacetone has been
investigated at 2652, 2804, 3025, 3130 and 3341 A* The effect of
concentration and temperature cn the yields of triplet and single-
state emissions are comparable to those observed for acetone. The
emissions from 2-butanone and 2-pentanone have been investigated
briefly- Both compounds phosphoresce very weakly and their
fluorescence yields are nearly identical with those .observed for
acetone and trif luoroacetone.. |Author abstract)##
M. Basic Science and Technology
1117
-------
03559
F. E. Pebbert and P. J, Ausloos.,
COWPXICATIRG PACTOSS IN THE GAS PHASE PHOTOLYSIS OF AZOMETHANE.
J.. Phys. Cheir,. 67, 1925-8, 1963,
In a recent publication of the gas phase photolysis of
azonethane, Toby and Weiss suggested a new ethane-producing
reaction: 2CH3V2 yields C2H6 plus 2N2 (a). On the other
side, Pebbert and Ausloos presented evidence for the formation of
ethane by a unimolecular elimination from azonethane CH3N2CH3
plus hv yields C2H6 plus N2 (b)n The present study was
undertaken in order to determine if the pressure trends observed by
Toby and Seiss could not at least be partly accounted for ty the
occurrence of primary process (fc)» It is thought that an answer
to this question, as well as to other related problems, could be
most readily obtained by photolyzing equimolar mixtures of
CH3N2CH3-CD3N2CD3« It was ccnlcuded that reaction (a),
which has been proposed by Toby and Weiss to account for the
observed pressure effect, has net been clearly established.##
03560
E. Febbert and P. Auslcos..
INTRAMOLEC0LAF FEAFFANGEflENTS IN THE SOIID PHASE PHOTOLYSIS OF
4-B£THyL-2~HEXANONE AND SEC-BOTYL ACETATE. J. Chen. Phys.
37, (5) 115B-9, Sept.. 1, 1952.
The photolysis of
-------
nitrite ace not accurate and shculd be regarded as relative rates,
only. The quantum fields of ethyl nitrite and acetaldehyde
formation extrapolated to zero time are 0.139 and 0-094,
respectively. In the liquid phase at 0 degrees, oxygen is no
longer a product. Ethyl nitrite and acetaldehyde are still the
main products with small amounts of methyl nitrite. The
distribution of products at low conversions is: acetaldehyde,
53.6*; ethyl nitrite, 46.0*; and methyl nitrite, 0„4JE.ti
03563
K. T.. Whitby, D„ A. Lundgren, and R. C. Jordan.
HOMOGENOUS ABROSOL GENERATORS. Minnesota Univ.,
Minneapolis, Dept. of Mechanical Engineering. (Technical
Rept. No. 13.) Jan. 1961. 53 pp.
Two aerosol generators capable of generating essentially
homogeneous, monodisperse, spherical, and electrically neutral
solid particles of dye have bees developed. These are an
atomizer-impactor combination theoretically capable of generating
particles ranging in mass median size from 0.02 to 0.5 nicrons, and
a spinning disk generator capable of generating particles from
about 0..5 to 20 microns in size. Research during the development
of these generators has shown that under many conditions of
operation the particles produced are electrically charged to a
substantial fraction of the maximum equilibrium charge. This
charge is neutralized by a unique ion genrator which reduces the
charge to a few percent of the aaximum. The generators were
developed using methylene bine in water or In ethyl alcohol.
However# due to the aany advantages of fluorescent aerosols, an
effort is being made to adapt the gen?ators to make satisfactory
fluorescent particles, satisfactory particles are now being
generated from a mixture of methylene blue and comeerclal
enerated from a mixture of methylene blue a commercial
uranine dissolved ia alcohol. The sensitivity of modern
fluorescent measuring techniques Is great enough so that these
aerosol genrators may be used to accurately evaluate gas cleaners
at airflows of several thousand cubic feet per minute and
efficiencies of 99.9% or greater. (Author summary)• •
03575
R. R. Austin, R. H. lewis, and R. Donaldson, Jr.
A NEW ATMCSPHEBE IRRADIATION CHAMBER*. Intern! J. Air Water
Pollution «# (304) 237-«6, 1961.
The irradiation of atmospheric saaples of air with ultraviolet
light produces oxidants when hydrocarbons and nitrogen dioxide are
present and thus permits a measurement of the saog-foraing
potential of the air. * new high irradiation intensity chamber
using fluorescent ultraviolet lamps has bees developed. Data are
given for the irradiation of «cne hydrocarbons in air in the
M. Basic Sclwc® and Technology
-------
presence of nitrogen dioxide- Some data are also given for
atmospheric samples. The performance of the new chamber is
compared to that of the fifty-liter chanters which have beet in use
in the past- The chanber vclune is eight liters. Power required
has been reduced from 1600 watts in the fifty-liter chamber to
160 watts- Oxidant levels produced at the same sampling rate on
atmospheric samples are approximately equivalent to the levels
produced in the fifty-liter chaster. (Author abstract)##
036 2t+
S. S* Thomas J. G. Calvert
TUB PHOTOOXIDATION OP 2,2»-AZOISOBOTAME AT 25 C. 0. Am.
Chen Soc. 84, 4207-12, Hov. 20, 1962.
A rate of the photooxidation of 2,2 '-azoisobutane has been made
in an oxygen-rich atmosphere at 25 degrees. Long-path infrared
spectrophotometry was used to identify the major products
of the tert-butyl free radical-oxygen reaction as acetone,
formaldehyde, tert-butyl hydroperoxide and tert-butyl
alcohol; methanol and carbon dioxide were minor products.
Seasonably good mass balances were obtained. From a
consideration of the initial rates of product formation and
a2oisobutane disappearance, a detailed mechanism was proposed.
The results suggested that for this oxygen-rich system at 25
degrees the radical-radical dispropcrtionation reactions are
the origin of hydroperoxide and alcohol products, and that
B-abstraction from azoisobutane, formaldehyde or other H-
containing products in the system was unimportant here. The
rate data are consistent with a value of about 5 sec. for the
first-order rate constant for the decomposition of the
tert-butoxyl radical at 25 degrees. (Author abstract)#*
03682
Fu Altshuller and A. F.. iartburg
ULTHAVIOLET DETERMINATION OF BITBCGEK DIOXIDE AS HXTRITE ION.
Anal, Ches. 32, 174-177, Feb- 1960.
h method for determining nitrogen dioxide concentrations in the
0.01 weight X range and above uses ultraviolet absorption at 355
millimicrons of the nitrite ion formed when nitrogen dioxide is
absorbed in aqueous alkaline solutions of potassium or sodium
hydroxide. The absorption masimun of nitrite ion at 211
millimicrons with an absorptivity of 5800 aole millimicrons liter
cm. offers possibilities for determining nitrogen dioxide
concentrations in the parts per million range. A synthetic
mixture of nitrogen dioxide in nitrogen, in a gas cylinder, was
analyzed by both ultraviolet analysis and a gravimetric procedure
involving absorption of nitrogen dioxide in aqueous potassium
hydroxide solution in a series of bubblers. Grab samples were
absorbed in alkaline solution, and then analyzed by ultraviolet
analysis, the results of the ultraviolet analyses by both methods
of collection were in good agreement* giving a nitrogen dioxide
concentration of 3-4 weight J™ The gravimetric procedure gave
somewhat lower results. (Author abstract)##
1120
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
038071
THE CHLOBINE OXIDATION OF SOIFUF C-CMEOaMDS IN CI LOT I AQCEOOS
SOLUTION.. National Council foi Stream Improvement, Inc.,
New York City. (Atmospheric Pollution Technical Bulleting
18.) June 1963™ 16 pp.
Oxidation of sulfide in agueous solution requires between 2 and
3.4 moles of C12 per mole of sulfide* depending upon conditions
and the fraction of the sulfide oxidized. Oxidation of all the
sulfide present requires at least 2.35 moles of C12 per mole of
sulfide. Sulfate is a major product- Complete oxidation of
methyl aercaptan in neutral or acid solutions requires between 2.4
and 3.3 noles of C12 per Bale of mercaptan. Under basic
conditions, methyl mercaptan apparently reacts to form an
intermediate which, in turn, appears to oxidized by C12 once all
the mercaptan has reacted. Formation of the suspected
intermediate requires some 1.5 moles of C12 per mole of
mercaptan, but a total of about 2.6 moles of C12 per mole of
mercaptan must be added before the first trace of excess C12 can
be detected. All attempts to identify the products of these
reactions failed—probably because the concentrations involved
were below the sensitivity limits of the tests used. Oxidation of
dimethyl sulfide required 1.8 moles C12 per mole of sulfur.
Oxidation of dimethyl disulfide required S.2 moles of C12 per
mole of disulfide—equivalent to 2.6 moles of C12 per mole of
sulfur. All of the C12 oxidations were rapid enough to be
complete before iodine was added. This means that the oxidations
of inorganic sulfides and mercaptans required less than one minute
and oxidation of the organic sulfides took less than five
minutes-tt
03968
Cadle, Richard D. and Hargaret Ledford
THE BEACTION OP OZONE WITH HYDHOGEN SULFIDE. Intern. J. Air
Sater Pollution# 10|1>s25-30, Jan. 1966. 7 refs.
The gas phase reaction of ozone with hydrogen sulfide in a
mixture of oxygen and nitrogen serving as carrier gas has been
investigated. The only products found were sixifur dioxide and
water, and the stoichicsetry corresponded approximately to the
equation: H2S plus 03 yields H2C plus S02. The reaction
kinetics were investigated with a flew system, and a method was
developed Cor titrating with nitric oxide the ozone remaining
after reaction with hydrogen sulfide. The reaction has orders
near zero and 1.5 in hydrogen sulfide and ozone respectively, and
follows a given rate law. It is at least partially
heterogeneous. The results can be used to set an upper limit for
the rate of this reaction in the atmosphere. (Authors" abstract,
modified)#*
M. Basic Science and Technology
1121
-------
03969
J. G. Christian and 0„ E. Johnson
CATALYTIC COHEDSTION OF ATMOSPHERIC CONTAMINANTS OVEB HOPCALITE.
Intern., j„ Air Water Pollution 9, (1/2) 1-10, Feb. 1965,
Catalytic combustion studies shewed Hopcalite, an unsupported
coprecipitate ot copper and manganese oxides, to provide
substantially complete oxidation at ca. 300 c of vapors of several
types of hydrocarbons, oxygenated compounds, nitrogen compounds,
and halogenated compounds. The lower aolecular weight
hydrocarbons proved resistant to oxidation; methane was oxidized
only to the extent of 30 per cent even at 400 C. The organic
nitrogen compounds produced the theoretical amount of C02 as well
as appreciable amounts of nitrous oxide (N20)., Aamonia
produced 70V nitrous oxide at 315 C, and about 2* nitrogen dioxide
(N02)« The decomposition of organic halogen conpounds ranged
from slight in the case cf Frecn-12 to virtually conplete for
methyl chloroform- Xn addition, new organic balides were formed
by the oxidation of nethyl chloroform and Freon-11. There is at
least partial retention of halogen on the catalyst when
Freon-114B2 and Freon-11 are decomposed. Aerosols of
dioctylphthalate, a hydrocarbon-type lubricating oil, and a
triarylphosphate ester lubricant were quantitatively oxidized by
Hopcalite at 300 c« (Author abstract)ft
03985
IU C« Salooja
STUDIES OF COHBDSTION PROCESSES LEAEIHG TO IGSITIOH OF SOME
OXYGES DEBIVATIVES OF HtDBOCAHBOHS.. Combust* Flame 10, (1)
11-21, March 1966,
The pre-flame and ignition behaviors of several related
oxygen drivatives of hydrocarbons, acetic acid, nethyl formate,
nethyl acetate, ethyl acetate, nethyl propionate, propionic acid,
ethyl formate, acetyl acetone, and acetic anhydride were
investigated* Mechanisms proposed to explain observed
differences are discussed in relation to: (1) a carbonyl group
causes greater activation cf adjacent alkyl groups than
does an oxygen atoa in an ether linkage; (2) peroxy radicals
foraed in the initial stages of oxidation can readily undergo
1,5 and 1,6 intraaolecular transfer; (3} the oxygen atoa in the
carbonyl group tends to fori hydrogen bonds intraaolecularly.
Sith acetic acid, the coabustion process appeared acre
exothermic than of any hydrocarbons studied. Methyl fornate
ignited at a auch lower temperature than acetic acid, with
explosive violence; also greater amounts of methane ana
aethanol were produced than by acetic acid at corresponding
pre-flame stages: 9hile C02 is foraed in greater amounts than
CO froa methyl formate, the reverse is true with nethyl acetate.
Xn comparison with methyl acetate, ethyl acetate began to oxidize
at a slightly higher teaperatare but ignited at a considerably
lower temperature with explosive violence. In coaparison
1122
PHOTOCHEMICAL OXIDANTS AMD AIR POLLUTION
-------
with ethyl acetate, aethyl propionate began to oxidize at a lower
temperature but its extent of reaction increased less with
temperature, and it eventually ignited at a higher temperature.
Methyl propionate produced aore C02 th an CO until slightly
below ignition temperature than fthyl acetate. Analysis of
gaseous oxidation products of propionic acid and ethyl fornate
shoved that acetaldehyde was foraed in larger amounts froa
propionic acid and ethylene was foraed in larter amounts froa ethyl
foraate. Biacetyl trast to hydrocarbons oxidizing in the "low
temperature** region, biacetyl oxidation in the low teaperature
region. Acetic anhydride was even more reactive than biacetyl and
shoved no zone of negative teaperature coefficient. In its
oxidative degradation, CO was foraed in considerable aaounts
before any consuaption of 02 could be detected.##
03986
B. JL, Davies 0.. B. Scully
CARBON F0HHATI0B FROB AB0NATIC HYDB0CABB0HS XI.. Combust.
FlAHE 10, (2) 165-70, JTJII 1966.
Previous work on the yields of carbon black froa aronatic
hydrocarbons by injection of their vaponrs into the products of
coabustion of a rich towns gas-air preaixed flame has been
continued. Yields froa toluidines are higher than froa
aniline. The yields froa cresols are the saae as froa
phenol, the addition of oxygen to benzene and toluene decrease
the yields, which eventually become the saae, indicating
preferential oxidation of the side chain* The *02 group in
nitrobenzene does not alter the amount of soot foraed relative
to that froa benzene. Acetylene forms soot such less
readily than benzene. Cyclepentadiene does not form soot, but
indene does so readily. Styrene, ethylbenzene and
naphthalene have also been studied. fAuthor summary)##
04155
*. D. Feshetov
Aerosol obigib of atmosphbbxc ozoue (a hypothesis*-
D.S.S.B. literature on Air Pollution and Belated
Occupational Diseases, B. S. levine. Vol. 13. (Part I-
Atmospheric ozone. Results of D.S.S.B. international
Geophysical Year Studies Presented at the Oct. 2B-31, 1959
Conference. Beports and Resolutions.) pp. 73-85. 1961. Buss.
<|Tr.)
CPSTIS TT 66 62191
The aodern theory of photochemical ataospheric ozone origin fails
to explain soae facts and ozone properties. For instance, in the
south, where ultraviolet radiation is greater the amount of ozone
is smaller than in northern regions, where radiation arrival Is
considerably less, and during the polar night is nonexistent* It
M. Basic Sclsnca and TftChnolofy
1123
-------
also fails to explain annual changes in ozone content with a
maximum at the end of winter and beginning of spring, and high
ozone content in the lower portion of the stratosphere ana
troposphere, since that portion of ultraviolet radiation* which
generates atonic oxygen* is absorbed totally above the 20-km level.
It is also difficult to explain the appearance of special ozone
maximum observed sometines in the tropopause, or the considerable
fluctuations in ozone content associated with weather conditions.
It is conceivable that atmospheric ozone is also generated under
the effect of other factors, which, in a number of cases, may be
highly important. A hypothesis is presented on the generation of
atmospheric ozone by atmospheric aerosols fron water and
atmospheric oxygen during selective sorption and desorption at the
aerosol surface. {Author introduction modified)##
01171
0.. ha Rozental
STRDCttJUM OZOBE H0LEC01E HGDEIS. U.S.S..R. literature on
Air Pollution and Belated Occupational Diseases, B. s«
Levine, Vol. 13- (Part II - Atmospheric Ozone. Data
Presented at the Hay 21-23, 1963 Conference on Atmospheric
Ozone.) pp. 225-9. 1965. Huss. (Tr.)
CFSTI: TT 6662191
A clear concept of the ozone molecule structure might advance the
solution of the atmospheric ozcne problem. Four configurations
of atomic centers had been proposed in the past for the ozone
molecule, each of a different symmetrical type. The
inconsistencies of each proposed model are brought out in this
report and proof is offered in favoi of an absolutely nonsymmetric
model, the kind of which had not been considered before. Proof
of the acceptability of a nonsymmetric model amounts to a strictly
numerical calculation procedure which involves 1) analysis of the
infrared ozone spectrum, 2} study of the energy levels in the case
of an assumed motion of the third atom, and 3) accurate
determination of dynamic coefficients.##
042281
P. Goldfinger, G„ Buybrechts, and l. Meyers
THE CH10FIHE PHOTOSENSITIZED OXIDATICH OP HYDHOCAFBOHS AT L0»
TIHPEBATDFE fFISAL TICHMICAX SEPT.). University Libre
de Bruxelles, Belgium, Laboratoire de Chimie Physique.
Jan.. 1966. 30 pp.
The study of the chlorine photosensitized oxidation of
trlchloroethylene has been completed. A mechanism has been
proposed for this reaction where dichloroacetyl chloride is the
main reaeton product and the rate constants of the relevant
elementary reaction steps were estiiated. This together with
preceding studies on the oxygen effect on the photochlorination
of ethane and trlchloroethylene has led to a reaction theory which
seeas to be of general validity. la the second part of this
1124
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
report a new reaction theory of chlorine photosensitized
oxidation of hydrocarbons i£ presented which describes many of
the kinetic investigations that have been carried out by the
present work and reported in the literature. Due to the
diversity of radicals in the reaction mechanism and the
formation of different Froflucts not sufficiently unreactive, the
reaction mechanism is not in final form and more experimental
work is needed. (Author abstract)##
04277
N. Cohen and Heicklen
BEACTION OF NO(A2SIGMA) SITU C02« Aerospace Corp,, El
Segundo, Calif.
-------
0 U285L
E.. J. Poziomek
PHOTOCHEHISTKY OF H5TEF0CYCIIC CCOFODNDS (A LITERATOPE SOBVEY.)
Army Edgevood Arsenal, Hd. # Physical Research Lab..
(Kept. EASP 100-Un) Sept. 1966. 35 pp.
DOC: AD 1188-239
The literature on the photochemistry of heterocyclic compounds
was surveyed with a particular interest in pyridine chemistry.
This listing of references was compiled as a result of
searching volumes n^ to 61 of Chemical Abstracts under the
headings light, photochemistry, and pyridine.*t
0*1286
K„ F«. Preston and R. j. Cvetancvic
OS THE P0SSI81! COKTHIBTJTIOH OP A HOIECOLAB MBCHANISH TO THE
PHOTODECOBPOSniO* OF tUTBOGEK DIOXIDE. Can„ J. Chen.
2VU5-8, 1966..
CFSTI, DDCj AO 6U2-U55
The determination of the extent of 0~atop exchange during the
photolysis of mixtures of N02 and 02(36} at 2537 Angstrom units
and at other wavelengths has been investigated. This method is
based on the underlying assumption that only free oxygen atoms are
capable of exchange with 02(36) while other potential
intermediates {such as, for example, N02) are not. The
exchange reaction is therefore used as a test for the
involvement of free oxygen atoms in the photolysis of N02„*#
0«t29«
E. To Seo and D. T. Sawyer
ELECTROCHEMICAL OXIDATIOH OF DISSOLVED SDLPHOR DIOXIDE AT
PLATINUM ADD GOLD EIECTSODES. Ilectrochim. Acta 10, 239-52,
1965-
The electrochemical oxidation of dissolved sulphur dioxide
has been studied at platinum and gold electrodes using
voltanmetric* chronopotenticmetxic and galvanostatic measurements-
The effects of electrode pre-conditioning and solution pH on
the mechanism and the Kinetics of the electrode reaction have
been determined- Oxidation of sulphur dioxide occurs by two
mechanisms, one a pure electron-transfer process and the other a
chemical oxidation by electro!ytically formed metal oxide.
Hitb an activated platinum electrode the electron-transfer
mechanism is the predominating process. The electron-transfer
process is also predominant at an active gold electrode. For
this process the rate-controlling step as well as the over-all
process is a two-electron oxidation. (Author abstract)##
1126
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
cuicu
Putcell, T. C. and I. R. Cohen
PflOTOOX1DATION OP FORMALDEHYDE AT LOB PARTIAL PRESSURES CF
ALDEHYDE. Environ* Sci. Technol„, 1 (1OJ:845-846, Oct. 1967.
11 refs.
Although the photooxidation of aldehyde has been investigated in
recent years, the bulk of the work has been carried oat at
relatively high concentrations of aldehyde and the need far sore
detailed investigations at lov reactant concentrations helped to
initiate this investigation. Pormaldehyde at concentrations
ranging fro* 1 to 30 ppn in air was irradiated in reaction
containers fabricated from fluorinated ethylene-propylene
copolymer. The irradiations Mere carried out at 23 ~ or - 1 C.
nixed banks of sunlight fluorescent (wavelength maximum^ at 3100
A) and blacklight fluorescent lamps (3600 A) were ordinarily
used. Formaldehyde-air Mixtures in PEP containers were also
subjected to solar radiation during the summer and fall months.
Concentrations of formaldehyde were determined by a modification
of the chronotropic acid method. R202 concentrations were
determined by the 8-guinolinol and catalysed KI methods.
Colorimetric observations revealed no peroxy acid in the reaction
vessel, this suggests that performic acid has only transient
existence if it is involved at all. On the other hand, the only
identifiable oxidant produced in the photooxidation system was
hydrogen peroxide.##
04407
E. Peck and B. H. Khanna
DISPERSION OF BITBOGEH. J. Opt. Soc. Am. 56, (8) 1059-63,
Aug. 1966.
The refractivity of nitrogen gms has been measured, with high
relative precision, at vacuum wavelengths from 4679 a to 20 586
A. The Absolute value of refractivity for 5462 A, reduced to
one atmosphere at 0 C., is 0.0002991. A dispersion formula
fitting the data well at 15 C. is 10 to the 8th power
(n-1) = 6497.378 + 3073864.9/(144 sigsa squared), where sigma is
wave number in reciprocal microns. This is compared to
Svensson's dispersion formula for air. Alternative dispersion
formulas are discoursed. Quantities related to dispersion are
duduced: mean absorption frequency, effective total oscillator
strength, dielectric constant, Verdet constant, and Rayleigh
scattering coefficient. (Author abstract)##
04410
H. Steinberg
03 AND H02 FGBMATIOS 8T IFHADIAT10! OF A 82-02 GAS HIXTOS1
IK A IL0WIHG STSTEM AT BlIVATBD PRESSURES* Brookhaven national
M. Basic Sciatic* and Technofofy
1W7
-------
Lab., TJpton, N.Y. (Rept. No. BSI50017(T-43fl») Sept„
1966. 19 pp.
The aift was to develop information on the yield of ozone and
nitrogen dioxide pec unit energy deposited in the systen, and on
the radiation chenical kinetics in the flow reactor. This
information is desired in order tc determine the feasibility of the
application of cheac-nuclear reactors to the synthesis of oxone
from oxygen or air, and to the fixation of nitrogen from
nitrogen-oxygen Mixtures. The results of operating a flow systea
constructed on stainless steel with a 7911 N2 and 211 02 gas
aixture in a Co60 ganna radiation field at an intensity of
675,000 rads/br, indicate that at 68 atn pressure and 30 c a
naximum G(N02) value of 1.18 at a concentration of 89 pp», N02
is obtained. Only N02 can be detected for residence tines
equivalent to doses above 1.35 aegarads. it higher flov rates and
thus shorter residence tines, the N02 concentration and yield
decreases and 03 begins to appear. A G(03) value of 4.68 at an
03 concentration of 22 ppa vas reached. Belov a residence tiae
eguivalent to a dose of 400,000 rads, only 03 is present vith the
N02 decreasing to belov detectable limits. Increasing the
pressure fros 68 to 680 ata appears to have a saall decreasing
effect on the N02 yield and a larger increasing effect on the
03 yield.. It
0H429
B. H. Eortner
AN TXP2RIHINTAL STDDT OP THE DEIONIZATION OF 80 FIDS.
General Electric Co., Philadelphia, Pa., Missile
and Space Div. (Scientific Pept. No. 1.) (Bept. Ho.
AFCR1-65—391») Apr. 1965- 30 pp.
DDC, AD 619-252
An experiiental study of the deionization of NO plus vas
carried out. The ions were forged by a Penning effect
collision between aetastable argon atoas and NO aolecules.
The process vas efficient. The deionization process vas a
combination of the dissociative recombination NO(plus) plus
e yields H plus 0 and the autual neutralisation NO(plusJ
plus N02 (-} yields NO Ins N02, the N02(-) being foraed
by a three-step process —- Penning dissociation of NO,
3-body formation of N02 froa 0 and NO, and 3-body
attachaent to N02. If all the deionization were doe to the
NO(plus) plus e reaction the rate constant found vould
be 2 x 10 to the 7tb power plus or - 0.5. Seasonable
assumptions allow a crude estiaate of the NO (plus}
plus N02 rate constant of 2 x 10 to the -8th pover plus or ainus
1. (Author abstract) ##
0W37
A. v.. Phelps v. H. Kasner
STUD* AND EXPERIMENTAL ViOBK ON ATOMIC COLLISION PHQCBSSBS
OCCURRING IN ATHOSPBEBIC GASIS. Nestinghouse Research Labs,,
7128
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Pittsburgh, Pa,., Atomic and Molecular Sciences Kesearch and
Development. (Technical Progress Letter 1*5=) tB®search
Memo 66-6E2-Gases-Hl.) Feb. 28, 1966- 5 pp.
DDC, AD U80800
Initial tests using single micrcwave power pulses on S2 - Ne gas
fixtures indicated agreement within 1* between the rooa temperature
recombination coefficients for N2 plus ions and electrons
obtained via the single pulse and recurrent modes of operation,
Using the glass-aluminum flow tube, destruction of negative
oxygen ions in 0-02 mixtures has been observed when the atonic
oxygen discharge source is operating. During tests with the mass
spectrometer in mixtures of CO-02 H2-02 and B0-02,
reactions consistent with associative detachment were observed-##
04U54
A. A. Armstrong, Jr. and B. K. Walsh
SADIATICN-INDUCED OXIDATIOS OP HYDSCCAHBOHS. North Carolina
State Univ., Raleigh, Dept. of Textile Chemistry. {Sept.
So. OBO-634.) July 15, 1965- <40 pp.
CFStI, OBO-634
The radiation-induced oxidation of ethane, propane and isobutane
was studied in a flow-type reactor using hydrogen bromide as a
catalyst. A Cobalt-60 source (Gammacell 220} was used for the
irradiation, the exposure dose rate inside the reactor was
approximately 180000 r./hr- In the oxidation of ethane, a
G-value of 800 was obtained for the production of acetic acid.
An increase in total flow rate of ethane to the reactor increased
the production rate of acetic acid. The most pronounced effect
was noted from an increase in pressure. An increase in the rate
of production of acetic acid of 8 times was obtained by increasing
the total pressure from 1 to 1 at a.. In the oxidation of propane,
a G-value of 10,000 was obtained for the production of acetone.
Increases in total flow rate did not affect the rate of
production. An increase in total pressure up to 3 atm. increased
the rate of production of acetcne but decreased the rate above
that. At 4 atm., corrosion products were deposited on the reactor
surface which accounted for the decrease in the rate of production
of acetone. Xn the oxidation of isobutane, the products were
t-butyl bromide, methyl brcaide and water, the expected products
of t-butjl hydroperoxide and di-t-butyl peroxide as reported by
other investigators were not present. The radiation-induced
oxidation of propane to acetone was the only reaction studied that
gave a G-value high enough to lcck promising. Although the
radiation-induced oxidation of propane to acetone looked attractive
from the standpoint of radiation yield, it now is impractical from
an economic viewpoint. (Author abstract)##
01156
B„ o« Doepker and P. Auelcos
PHOTOIYSIS OF CTCL0BDTAHH At PHOtON ENERGIES BELOH ABD ABOVE
M. Basic Science and Technology
-------
THE IONIZATION ENERGY.. 0. Chenu Phys. 13 (11) 3814-9, Dec.
1, 1965.
The photolysis of cyclo-C4H8 and cf cyclo-C4H8-cyclo-C4D8
mixtures was investigated at 1470 and 1236A in the absence and
presence of NO. In addition, a secies of experiments carried
out in which H2S was used as a free-radical interceptor in the
photolysis of cyclo-C4D8 at 1236 A.. Approximately 90* of the
observed products can be accounted for by the primary process:
C4H8+hv yields 2C2H4. The extent to which the internally
excited ethylene formed in this process will decompose further
increases with diminishing pressure and wavelength. The
photolysis of cyclobutane was investigated at energies above the
ioni2ation energy (I.E»*10«3eV), using the argon resonance lines
at 11.54 and 11.72 eV. It is shewn that when NO is added to
the system, cis-2-butene, trans-2-butene, and 1-butene are major
products. These butenes are, however, not produced when
NO (I.E.=9..25 eV) is replaced by 02 (I.E.^12.1 eV) and are
only formed in trace amounts when no additives are present. It
is suggested that the parent icn acguires the olefinic structure
and undergoes charge exchange with NO. (Author abstract)##
04465
H. Harrison and D. El. Scattergood
OFFER LIMITS TOR CHEHILOMINESCENCE FROH SINGIE COLLISIONS OF 03
BITH NO, CO, H2S, ASD CS2. Boeing Scientific Research
Labs-, Seattle, Hash., Geo-Astrophysics Lab. (Rept. No.
Dl-82-0480«) Jan. 1966. 26 pp.
DDC-AD 630 017
Double nodulated, crossed molecular beam experiments were
performed which permit upper limits to be set for the production of
light from single, thermal energy collisions of ozone with NO, CO,
B2S, and CS2. Minimum detectable signals were limited by
background light levels from a temperature sensitive surface
reaction involving ozone, tilth the apparatus walls cooled by
liguid nitrogen, this reaction still generated a partially single-
modulated detector noise whose dc ccunt rate as 100/sec. Bean
densities were determined with an electron-ionizatlon
stagnation detector, operated at 20 cps, and photomultiplier
luminous efficiency was measured by comparison with a standard
lamp.#*
0»«75
S. Posner and J. Bennick
PREPARATION OF I*SOLOBI,S AIHOSOLS CONTUSING HIXED TISSION
PRODUCTS. Lovelace Foundation for Hedical Education and
Research, Albuguerqae, H. Hex., Dept. of Aerosol Physics.
(Sept. Ho. LF-31.) July 1966. 14 pp.
CFSTI
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
The preparation of an insoluble aerosol containing nixed fission
products, using an ion exchange of uranyl nitrate with
montmorillonite clay is described. Ion exchange of an enriched
solution of uranyl nitrate to clay particles is accomplished by
adsorption. After spheroidizing by encapsulation the
•xcvhanged Material is sealed in a guartz vial and irradiated
for 12 hours in a thermal column of the omega Rest Reactor at
&os Alamos, lev Hexico. Evaluation by gamma ray
spectroscopy reveals the quantitative fission product inventory
for the exposure period; calculation indicated an approximate 26
per cent uptake of nranylions by the clay* Results indicate this
method to be feasible and practicable and future studies will
include evaluation of particle size versus ion uptake, fission
product build-up for various exposure times and pilot runs of
terosolization for exposure to animals. (Author abstract)#*
04528
A. v. Phelps and R. H. Rasner
STUDY AND EXPEHIJIEHTAL 10RK OH ATOMIC COLLISION PROCESSES
OCCURRING IN 1THOSPHERIC GASES. lestinghouse Research Labs.,
Pittsburgh, Pa., Atomic and Holecular Sciences Research and
Development.. Aug. 31, 1965.. 4 pp«
The major portion ot the present report period was spent studying
the temperature dependence of recombination in H2-He mixtures
under conditions where *2 + is the dominant ion specie. These
measurements were confined to the temperature range 205 to 455 K.
The upper end of the temperature range was limited by the
presence of impurity ions in the afterglow- The observed
recombination coefficients range from (3.0 plus or minus 0-2} x 10
to the sinus 7th power cc/sec at 205 K to (2*8 plus or minus
0.2) x 10 to the minus 7th power cc/sec at 455 K, the limits of
error representing the scatter of the data and not the absolute
accuracy of the measurements. At a given temperature the results
show no systematic dependence on the nitrogen or neon pressures.
Temporal mass analysis indicates similar decay rates for the N2+
icns and for the electrons over the major portion of the afterglow
period. Host of the report period was spent in obtaining data
with the rf mass spectrometer which will be used with the flow tube
for ion identification. Further studies on C02-02 mixtures
yielded a reaction rate of 1.3 x 10 to the minus 29th power sq.
cc/sec for the three body conversion of 02- to C04- and a rate
of 1„3 x 10 to the minus 28th power sq. cc/sec for the conversion
of o- to C03-. Mixtures of nitrcgen and oxygen were also
investigated but no complex negative ions wer*detected. In pure
water vapor no attachment was observed for E/p less than 8
v/cm/Torr, but for I/p greater than 8 V/cm/Torr seven
negative ions, H-, 0H-,
-------
ACTIVATES CARBON* (flplyw Adscrbcwanego Tlenu Na Wlasnosci
Katalityczne Hegla Aktywowanego.) Boczniki Chemii 35,
999-1008, 1961.. Pol. B Pr. (Tr„)
The catalytic properties of activated carbon in the H2S
oxidation reaction were studied and compared with the results
obtained by using carbon previously desorbed and saturated with
oxygen after desorption. The composition of oxidation products
and the effect of moisture content on this composition were
determined.. Comparison of the available information on oxygen
adsorption on carbon pores with the results obtained in the present
work indicates that the prevailing views can be supplemented with
a working hypothesis which would reguire comprehensive
confirmation: prior to being used as a catalyst for H2S
oxidation, carbon adsorbs oxygen in its pores, which in part is
bound irreversibly in the form of C(x}0(y) surface complexes..
The amount of the resultant cciflexes depends on the oxygen
concentration in the gas surrounding the carbon. The
oxygen contained in the gas from which H2S is being removed is
adsorbed on carbon reversibly. It undergoes instant activation,
which increases with tine. The degree of this activation depends
on the amount of surface C(x|0(y) complexes formed on the
catalyst pore surfaces. These complexes have varying stability,
and strong desorption at 450 C causes most of then to be
decomposed. The oxidation of S2J-) to S4(+) in accordance the
scheme, 2H2S ~ 302 = 2S02 ~ 2H20, depends not only on the
H2S:Q2 ratio in the reaction Mixture, but is greatly affected
by the noisture content of the medium, a circumstance mentioned by
Courtyn The assumption that coplete oxidation of H2S
proceeds through co«bined reactions and 2S02 + UH2S = 6S ~
4H20 constitutes a postulate which gees further than Prettre's
assumptions. These conclusions derive both from an analysis of
previous results and from the fact that at H2S:02 * 1:0..625
oxygen-containing sulfur compounds are obtained in the reaction
products. This ratio is considerably lower than that predicted by
Prettre.M
04578
I. C. Hisatsune
TBERMODIHABIC PF0PEBTIES Of SOHI OXIDES OF SITBOGEN.
0„ Phys. Che*. 65, 2249-53, Dec. 1961.
Available spectroscopic and structural data were used to
calculate the thermodynamic functions for N03, N203, H204
and V205, and dissociation equilibria of these oxides. For the
H205 dissociation, the necessary functions for N03 radical were
estimated from vibrational frequencies calculated with
Orey-Bradley force constants. These data together with those
obtained from other sources lead to the estimated properties for
ideal gases at one atmosphere and 25 degrees. (Author abstract
modified)••
1132
PHOTOCHEMICAL OXIDANTS ANO AIR POLLUTION
-------
CH580
I. c» Hisatsune, J..P. Devlin, Y. Vada
VIEBATIONAL SPECTBTJH ANE STRUCTUBE OF N205. Spectrochiliu
Acta 18, 16U1-53, 1962.
The infrared spectrum of N2o5 in the 2-35 micron region was
obtained in the gas and solid phases. In the solid phase, the
temperature dependence of the spectrum and the changes in the
spectrum accompanying the covalent to ionic transformation of the
molecule were observed. Infrared and Raman data are
consistent with the 02N0NO2 structure with a bent central
N - O - S group. These data give nc indication of the
relative orientation of the nitro groups. However, the data
do suggest that in the gas phase the potential barrier against
internal rotation of the nitro groups is low- Both entropy
calculation and approximate ncrital coordinate calculation
show that the N - 0 - N angle deformation frequency may fce
about 85/cm. (Author abstract}M
04563
0. Heicklen, and H« S« Johnston
PHOTOCHEMICAL OXIDATIONS.. II. MTHYI IODIDE. J. Am. Chem.
Soc. 8tf03C-9, 1962.
The room-temperature photo-oxidation of methyl iodide (0.2 to
3-0 mm.) in oxygen (0.030 to 10 dbi.) with continuous UV
radiation above 2200 A. was studied. Observations were made by
leaking the reaction mixture directly into the electron beam
of the mass spectrometer daring photolysis. The principal
products of reaction were 12, H2C0, CH3CH and under
some conditions CH300H; minor products were H20, C02,
PCOOH, CH300CH3 and CB30I. Because of the
cracking pattern of the reactants and major products and the
background air peaks, it was impossible to establish the
presence or absence of CHU, CO and HI. There are
conflicting claims in the literature as to whether methyl
radicals react with oxygen according to CH3 + 02 (~ H) -
CH302 (+ HJ (followed by the Vaughn mechanism) or CH3 +
02 = H2C0 ~ HO (Followed by HC attack on loosely
bound hydrogen atoms). This stud; indicates botjj processes do
occur, with the first being more important under conditions used
here. It seems probable that oxygen molecules abstract hydrogen
atoms from CH30 radicals to produce H2CO and H02. A
fairly complete and internally consistent mechanism is developed
for the initial reaction, typically the reaction of about 0.0001
or 0.001 of the methyl iodide. Is the reaction progresses,
inhibition caused by CH3 + 12 equals CH3I + I becomes
very pronounced* radicals abstract from H2C0, a large number of
other secondary reactions seem to occur* and the mechanism proposed
is regarded as exemplary rather than established. In terms of the
relatively simple initial reaction, many ratios of constants are
evaluated. (Author abstract)#•
Ml. Bwic Sctenc* and Techndlogy
1J33
-------
04626
D~ B„ Coughanowr and F» E. Krause
THE BE ACTION OP S02 AND 02 IN AQUEOUS SOLUTIONS OF MNS04,
Ind. Eng. Chem. Fundamentals 4, (1) 61-6, Feb. 1965..
An experimental investigation Has made to determine the rate of
reaction of sulfur dioxide and oxygen in aqueous solution
containing manganous sulfate as a catalyst. The catalyst was
varied from 0 to 15 p. p. m» of MnS04 in a batch method, and from
100 to 10,000 in a flow method. The temperature was 25 C«
The reaction is zero order with respect to both sulfur dioxide and
oxygen- The concentration of nanganous sulfate has a large effect
on the rate of reaction; frcm 0 to 100 p.,p.m. of manganous sulfate,
the reaction rate constant, k, is proportional to the square of the
catalyst concentration, but above 100 p.p.nu, k increases less
rapidly up to about 500 p.p.. ro., after which X increases very
slowly with catalyst concentration. The reaction is easily
inhibited by very small amounts of contaminant.##
04633
P.. A. Leightcn
SOHE REMARKS ON THE NITRIC OXIDE — NITROGEN DIOXIDE CONVERSION..
Preprint. (Presented at the Air Pollution Research
Conference on "Atmospheric Reactions," Univ. of southern
California, Los Angeles, Calif., Dec. 5, 1961.,)
Ni.tric oxide-nitrogen dioxide photochemical conversion theory is
reviewed. It has been almost universally postulated that the
products of oxygen-olefin and possibly ozone-olefin reactions,
which promote the above mentioned conversion, are free radicals.
The extent to which these reactions produce radicals and the
nature of the radicals produced in air have not been established.
Other unresolved questions pertaining to this conversion reaction
involve reaction kinetics and reactant concentrations.##
04653
J., H.. Singer, E„ B. Cook, ». E. Harris, V. R. Rowe,
J. Grumer
FLAME CHARACTERISTICS CAUSING AIR POLLUTION: PRODUCTION OF OXIDES
OF NITROGEN AND CARBON MONOXIDE. Bureau of Mines,
Pittsburgh, Pa. (Presented at the Symposium on Combustion
Reactions of Fossil Fuels, 152nd National Meeting,
American Chemical Society, Sew York city, Sept. 11-6, 1966
and at the Basic Research Symposium, Chicago, 111., Mar*
14, 1967..) 40 pp.
1134
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Concentrations of nitrogen oxides and carbon monoxide in
combustion gases of lean* stoichiometric, and rich propane-air
flames are predicted from theoretical kinetic and
thermodynamic calculations. Experimental values are higher
than the theoretical by factors of 2 to 7. Lowering the
primary flame temperature with cold flue gas reduces the nitric
oxide and increases the carbon monoxide concentrations.
Cooling rates of 5500 degrees to 10,000 degrees P/sec starting
at about 3500 degrees H maintain the nitric oxide in the
primary combustion zone at the initial value and do not
prevent oxidation of the carbon monoxide.#*
04668
L. Slater Bo ft. Dilie
PARTIAL CCBBOSTION OP HESIDUAL JtJELS. Chen. Eng. Progr. 61,
(11J 65-8, Hov„ 1965.
Partial oxidation of residual fuel oils produces high
purity synthesis gas containing hydrogen* carbon monoxide, carbon
dioxide, methane, and only minor traces of impurities. The
methane concentration in the synthesis gas produced at
elevated pressures corresponds to equilibrium conditions*
Although the studies of the process have been made at pressures
up to 1,500 lb/sq in gauge, there have been no indications that
this pressure can net be increased several fold- The soot
produced from heavy oils is water-nettable, has oil adsorption
numbers of 150 to 500 lb/100 lb, and has specific surface areas
of 100 to 1,200 sq i/g. The oil adsorption number of the soot
increases directly with the steam/oil ratio in the feed to the
synthesis gas generator. {Author conclusions}#*
01771
L. J. E. Hofer, P. Gussey, and B. B. Anderson
SPECIFICITY OF CATALYSTS FOB THE OXIDATION OF CABBOH HOSOXIDE
ETHYLENE SIXT0BES« J. Catalysis 3, (1-6) 451-60, 1964.
(Presented at the Catalysis Club Spring Symposium, Pittsburgh
Pa., Hay 10, 1963.)
The specificity of 5 different catalysts for the ocidation of
ethylene and carbon monoxide was determined in a microcatalytic
reactor at temperatures from 50 to 600 C. On all 5 catalysts
CO oxidized more readily than ethylene. Complete removal of
CO occurred on th« cobalt oxide at room temperature, on the
copper oxide-chromium oxide on alumina catalyst at 100 C, on both
copper oxide and iron oxide at 200 C« and on chromium oxide at 450
C. On cobalt oxide, iron oxide, chromium oxide, and the copper
oxide-chromium oxide on aluminum oxide the presence of CO
enhanced the oxidation of ethylene. Conversely the presence of
ethylene inhibits the oxidation of CO markedly in the case of
cobalt oxide and iron oxide. Significant chemisorption at any
M, Basic Science and Technology
1138
-------
temperature was not observed for chromium oxide or copper oxide.
The other 3 catalysts shoved significant quantities of
chenisorption for both ethylene and CO. Hith chromium oxide,
ferric oxide, and cobalt oxide, hydrogen was produced in amounts up
to 2% of the hydrogen in the initial ethylene. (Author abstract)#
04801
E„ Hatijevic, K. F. schultz, and M. Kerker
LIGHT SCATTERING OF COATED AEHOSOLS. II- SCATTERING BY
LIHOLESIC ACID AEBOSOLS. 3. Colloid Sci. 17, 26-38,
Jaru 1962.. (Presented at the 140th fleeting, American
Chemical Society, Chicago, 111., Sept. 1961.)
Linolenic acid aerosols exhibiting higher order Tyndall spectra
and comparable in monodispersity to monodisperse sulfur sols have
been prepared reproducibly using silver chloride nuclei* Particle
size distributions can be obtained precisely by analysis of the
light-scattering data and when apEropriate precautions in
sampling are observed, excellent agreement with electron microscope
counts is found. Samples axe fixed for electron microscopy by
treatment with 0s04„ The influence of boiler temperature,
nuclei concentration, and dilution of the aerosol upon the light
scattering and particle size distribution has been considered.
¦(Author abstract)##
04831
Betryman, Earl 1. and Arthur Levy
KINETICS OF SOLFOF—OXIDE FOBHATICR 18 FLAflES : II. LOU P8ESSUHE
H2S FLAMES. J. Air Pollution Control Assoc., 17(12i:
800-806, Dec. 1967. 18 refs. (Presented at the 60th Annual
Heeting, Air Pollution Control Assoc., Cleveland, Ohio,
June 11-16, 1967.)
The microstructure of 0.1- and 0.05- atmosphere, lean
H2S-02-N2 flames is developed using the mass-spectcometric
flame-sampling technique. The flame mechanism developed is in
agreement with that determined frcm an earlier study on 1-atm H2S
flames. The formation of S02 appears to be primarily related
to the production of SH and the ensuing oxidation steps SH plus
02 equals SO ~ OH and SO ~ 02 ® S02 ~ O. Bhile there
is some question whether so2 formation occurs via an SO OR AND
S20 intermediate, the present study does not give direct support
to the role of 320 in the oxidation mechanism. However, the
presence of significant quantities of fees sulfur in the pre-flame
zone may be indicative of S20 formation via SO ~ S yields
S20, and, possibly, via the disproportionation of SO, 3SO
yields S20 * S02. Kinetic analyses of some of the pre-flam®
reactions indicate an apparent activation energy of 17,300
calocies/mole for th« decomposition of H2S. The actual
1136
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
initiation process in the flane mechanise requires further
exatiination.. The specific rate for the reaction step H2S + o =
OH + SH is given by k6 =» 1.45 x 10 15 exp (-6600/BI) cn3 mole
-1 sec-1, and the specific rate for the oxidation of SO, SO +
02 = S02 + O, is gives by k5 35 5..2 X 10 It exp (-19,300/BT)
cm3 aole-1 sec-1. (Authors0 abstract)##
04863
E. A. Schuck and E. S. Stephens
QUANTUM YIELDS DOHING DILUTE GAS
IB THE 3500 A. REGION- Environ.
Feb. 1967..
PHASE PHOTOLYSIS OF ETHYL NITHIIB
Sci. Technol. 1, 138-43,
Parts per Billion concentrations of ethyl nitrite (EtONO) were
photolyzed in the absence and presence of added nitrogen or NO.
The light source employed had its intensity maximum at 3500 A.
with 851 of its energy confined to the 3300 to 3750 A. region.
The phi was usually nuch less than unity and decreased as the
concentration of EtONO or added gas was increased. Above an
initial EtONO of 20 p.p.m», or in the presence of added gases,
the reaction followed a pseudo first-order rate law. In the
absence of added gases and at initial EtONO concentrations,
which were nuch less than 20 p. p.m..„ the reaction tended to follow
a second-order relationship. A aechanistic approximation of the
results can be obtained by assuaing the existence of two egually
important priaary processes. These are cleavage at the BO-NO
bond and foraation of an excited state., Recombination of the
initial fragaents from B0-N0 bond cleavage and collisional
deactivation of the excited state appear to be iaportant
secondary reactions. The choice between these two priaary steps
nay involve the rotational iscaers. Product analysis showed that
80% of the carbon was in the fora of CH3CH0 and 20* as EtOH.
Thus, intramolecular rearrangeoeut of the excited cis-isoner nay
be the najor source of the CH3CHO. (Author abstract
Modified)##
04870
PHOTOLYSIS OF SITRGOBN COMPOUNDS. Natl. Bur. Std* (U.S.)
Tech., News Gull. 51, (4) 72-4, Apr. 1967.
In order to precisely define the aacunt of energy available to
NO in this investigation of the photolysis of nitrogen compounds,
gaseous nitrogen coipounds and aixtures were irradiated with
aonochroaatic light. Fluorescence of the excited species was
obtained by passing a streaa cf saajle gas through a reaction
cbaaber across whiclithe exciting light was directed. Reactions of
a variety of aixtures and pressures of N20, N02, NO, 02,
and BN3 WERE STODIED UNDER RADIATION AT 1216*1, A MXTUBE CP
1165 A, 1tt70 A and wavelenghts greater than 1600 A..
1236 and 1165 A, 1470 A and »a«elenghta greater tban 1600
Fluorescence of excited NO was obtained in beta and ganna bands
M. Basic Sciwce and Technology
1T37
-------
corresponding to different energy levels of excited NO- The
beta band of NO fluorescence was obtained by photolysis of pure
N20, but was replaced by gamma-band fluorescence with the
introduction of even sm^ll amounts of NO for all exciting
radiations except those of wavelengths greater than 1600 A. The
suggested sequence of reactions originating from N20 and the N20
and NO mixtures with the emission of beta and gamma radiation
respectively are discussed. The photodecomposition of the
triatomic molecules N02 and N0C1 was studied by observations
of the rotational and vibrational distribution of excited NO.
In this study both beta and gasma bands were given off by N02
subjected to the 1165 ft - 1236 A mixture and to 1295 A; only
the gamma bands were given off by NCC1 subjected to the same
radiations.##
0U878
G„ n.. Fichter, H» C. Biesev and B. H. Sage
OXIDES OF NITBOGEN IN COMBUSTION. Premixed Flaae. Combust.
Flame 6, (1) 1-8„ Mar. 1962..
This investigation was undertaken to determine the effect of
combustion conditions in premixed flames upon the formation of the
oxides of nitrogen- Heasurements were made of the residual
guantity of the oxides of nitrogen in samples taken as a function
of the spatial position in a cylindrical combustor™ The
influence of mixture ratio and of rate of flow of the reactants for
a premixed, natural gas-air flame was studied. In addition the
apparent temperature and mole fraction of carbon dioxide, oxygen
and carbon monoxide were determined as a function of spatial
position in the combustor. It was found that the local
perturbation of pressure encountered in the combustion was one of
the principal factors in increasing the residual quantities of
oxides of nitrogen in the products of reaction. The results are
presented in graphical and tabular form.#!
C4913
J.. B» Olin and B. B. Sage
AN EXPERIMENTAL STODT OF THE FOBHAIICN AND DECOMPOSITION CP NITBIC
OXIDE. J. Che*. Eng. Data 5, <1) 16-20, Jan. 1960.
The experimental conditions for each of 65 tests upon the
nitrogen-oxygen system and the initial and final compositions for
the 65 tests are tabulated. The influence of the maximum
apparent temperature upon the residual nitric oxide ratio is
indicated schematically for compositions containing 0..U mole
fraction nitrogen, 0*2 mole fraction oxygen, and 0.4 mole
fraction helium. A markedly higher nitric oxide ration for the
same maximum apparent temperature was found for the tests in which
the light piston was used (initial sample pressure of approx*
1..16 p.s.i.)., Data for an initial sample pressure of
approximately a.62 p.s.i. shows much less, if any, difference
1138
PHOTOCHEMICAL OXIDANTS AMD AIR POLLUTION
-------
between the behavior with the light and the heavy piston*
Variation in the nitrogen-oxygen ratio bad relatively snail
influence upon the relationship of the residual nitric oxide ratio
to the maximum apparent temperature. Approach to chemical
equilibrium in the ballistic piston was established from a series
of tests *ade with the piston weighing 3.29 pounds,, Measurements
were made upon mixtures which contained equal sole fractions of
nitrogen and oxygen with 0.8 mole fraction helium and mixtures
which contained 0.2 sole fraction nitric oxide with 0.. 8 mole
traction helium. The residual nitric oxide ratio resulting from
the nitric oxide-helium sample decreased with an increase in the
maximum apparent temperature. On the other hand, the residual
nitric oxide ratio in the mixture of nitrogen and oxygen
increased with an increase in the maximum apparent temperature..##
C4914
B. R. Sakaida, B„ G. Sinker, *. L« Wang, and I. H«
Corcoran
CATALYTIC DECCHEOSITION 07 SITBIC OXIDE. A.I.Ch.E. (Am.
Inst. Chei. Sngrs.} J. 7, (4) 658-63, Dec. 1961.
Catalytic decomposition of nitric oxide st a concentration of
0.404 and 0.432% by volume in nitrogen was studied in a
tubular flow reactor*. The packing consisted of alumina pellets
impregnated with 0.1* by weight of platinum oxide and 3„0I by
weight of nickel oxide. Tests were conducted at pressures of 1
to 15 atm. and temperatures feci 800 to 1,000 F. A rate
equation correlating the data as a function of temperature,
pressure, and compositions was developed. A reaction mechanism
compatible with the rate equation is proposed. The rate of the
heterogeneous decomposition of nitric oxide over a platinum-nickel
catalyst supported on activated alumina was found to be second
ordier with respect to nitric oxide, retarded by atomic oxygen# and
further retarded by the excess nitrogen in the system. The rate
equation is applicable for the decomposition of nitric oxide
present in nitrogen at concentrations of less than 0.5% within the
temperature range of 800 to 1,000 F. and a pressure range of 1 to
15 atm.##
04926
K. C. Salooja
IBF1UEHCE OF POIASSIUB CHIOBIDE OK CCHBUSTIOH PROCESSES LEADING
TO IGBITIOH. Combust. Flame 10, (1) 45-9. Bar., 1966.
Combustion studies were carried cut on the following hydrocarbons:
pentane, hexane, 2-aethylpentane, 2,2-dimethylbutane, iso-octane,
cyclohcxane and methylcyclehexane. The oxygenated compounds
studied included acetic acid, methyl formate, propionic acid,
ethyl formate, methyl acetate* acetaldehyde, acetone, diethyl
•tfeer, isopropasol and methanol., Besults are reported for only
M. Basic Science and Technology
1139
-------
one of the hydrocarbons studied* namely pentane, because the
behavior of different hydrocarbons was generally similar. KCl
markedly inhibited the oxidation process at all stages leading to
ignition.. In narked contrast tc its effect on hydrocarbons,
KCl promoted the pre-flame oxidation of acetic acid, propionic
acid, methyl formate, ethyl fermate, methyl acetate and acetone-
It markedly inhibited the combustion of methanol and isopropanol.
The effect of KCl on the ignition of acetic acid and acetone
vas not studied since these compounds ignite well above 600 C, but
with propionic acid and the esters studied KCl strongly inhibited
the onset of ignition despite its promoting effect on their
pre-flame oxidation. The promoting effect on the oxidation of
carbonyl compounds, particularly the lowering of the temperature
at which oxidation commences, suggests a direct reaction between
KCl and carbonyl coxpounds. Another observation is that, in
contrast to the behavior in the clean vessel, KCl generally
causes more C02 to form than CO. Under the experimental
conditions, KCl does not significantly catalyse the combustion
of CO to C02. Therefore, the greater formation of C02 must
arise from attachment of oxygen to the carbonyl progenitor of
CO. The inhibiting effect of KCl on the combustion of
hydrocarbons would seem to arise primarily from its effect on
HC2 radicals formed prior to the appearance of carbonyl
intermediates. The absence of any B2C2 in the products in
KCl-coated vessels supports this view.**
00965
P. H. Krupenie
THE BAUD SPECTROH 0? C&BBOI H0S0XIDE. National Bureau of
Standards, Washington, D.C., national standard Reference
Data Series 5. July 8, 1966.. 93 pp.
The present work, first in a series on diatonic molecules, follows
the approach of Lofthus and is devoted to a single molecule.
This report includes a comprehensive review of the literature on
the spectrum of CO, CO(+), and CC(2*} in the gas phase, and a
compilation of critically evaluated numerical data on band
positions, molecular constants, energy levels, potential
energy curves, and other molecular properties derived from t}ie
spectrum. Estimates of reliability are given where possible.
Papers from which the tabulated data have been extracted are
discussed in the text of this report. Early data of presumably
low precision have been included in the tabulations only where
better or more recent data are not available. The references
cited constitute a critical bibliography rather than an exhaustive
one,##
04967
Y. K., la Her
THE PREPARATION, COLLECTION, AID HEASURE8BHT OP AEROSOLS.
Proc. Rati. Air Pollution Symp., 1st, Pasadena, Calif.,
19«9. pp. 5-13,,
1140
PHOTOCHEMICAL OXIDANTS AND AI R POLLUTION
-------
In the study of aerosols, many difficulties are imposed hy
variations in particle size.. These difficulties may be avoided
by working with monodisperse liquid aerosols; in this paper, it
implies preparations whose size distribution does not deviate by
more than 10* from the mean value. The preparation and optical
properties of monodisperse aerosols are described in detail.
Included are an analysis of light scattering properties; use of
the Hie theory; polarization techniques; optical obscuration by
monodisperse fogs; filtration of aerosols; the forward angle
Tyndallometer; and an evaluation of the cascade iapactor,,##
04992
A.. Haagen-Smit, C. E. Bradley, E» M. Fox
FORMATION OF OZONE IN LOS ANGELES SBOG., ProC. Natl. Air
Pollution Symp«, 2nd, Pasadena, Calif.., 1952. pp« 54-6..
When bent pieces of rubber were exposed to sunlight in the
presence of oxygen and nitrogen dioiide no cracking took
place.. Rubber cracked in nitrogen dioxide in air but not when
the air was filtered through charcoal. Rubber cracked
in 3-methylheptane and H02 in air but not when either was used
alone; it cracked when introduced to a mixture exposed to
sunlight for several hours. Ozone was identified as the rubber-
cracking material.. Bubbec cracked in some organic acids
photooxidized with N02 in air; ozone was again isolated
and identified. Rubber cracked in gasoline photooxidized with
N02 in air. Ozone formed when 4-n-nonene was photooxidized
with N02 in air. Biacetyl in air cracked rubber when
exposed to sunlight; ozone was identified. Rubber also cracked
with biacetyl and K02 in air« Rubber cracked in butyl nitrite
in air exposed to sunlight. The concentrations of the organic
materials and of N02 were of the same order as those found
in Los Angeles smog-##
05043
I.. B. King
BBCOJIBINATION OF I0HS IS J1ABIS EFFECT 01 TIMFEBATOBE. Texaco
Experiment Inc., Richmond# Va« (Sept. Nos. AP05R-463,
TP-165A, and EXP 2789) Aug. 1, 1961. 5 pp.
The effect of temperature on the recombination rate of ions in a
hydrocarbon-air flame is pc«sented and the results compared with
predictions based on present-day theories. Measurements were
conducted with an alternate-probe technique in a propane-air flame
burning on a Heker-type burner 5.5 c* in diameter. Two probes of
different length, mounted at right angles to each other cn a common
shaft (the t*o probes being in a plane perpendicular to the shaft),
entered the flame from the side* parallel to the flame front. By
measuring current first with one probe, then with the other, and
substracting the t*o readings, it was possible to determine the ion
concentration in the center of the flame. An ion-ion process
agreeing with the Iangevin prediction is indicated.#*
M. Basic Scitnct and Technology
1141
-------
05047
N.. F. Bukherjee, n„ R„ James, H., s. Hummers, E.
Eyring, and T. Bee
STUDIES TO DETERMINE THE HECHAKISH CP PRODUCTION AND REMOVAL OP
ELECTRONS IN ELAMES. {Utah Univ., Salt Lake City..) (Sept.
No. A7BMD-TR61-1 Aug.. 8, 1961 37 pp.
Probable chain reactions and mechanism for the formation of the
most abundant positive ions are summarized. A steady state
analysis of reactions reveals a number of important conditions
that must be fulfilled for the nest abundant ion formation.
Approximate values for the maximum and minimum concentrations of
the most abundant ion with respect to oxygen are obtained. A
semi-theoretical method is used to calculate the concentration of
the most abundant ion in hydrocarbon-oxygen or hydrocarbon-air
flames. Experimental studies have been performed on the effect
of ultra-violet light on icn concentration in flames. Research
has also been started on the effect of the degree of unsaturation,
state of oxidation, and length of the carbon chain on ionization
of various hydrocarbons in a hydrogen-oxygen flame.
05051
E. S.. Rabinovitch, and D. N. Setser
U RIHOLECULAR DECOMPOSITION AND S011E ISOTOPE EFFECTS OF SIKPLE
AIKANES AND ALKYL RADICALS. Washington Univ.., Seattle, Dept.
of Chemistry and Kansas State Univ.., Manhattan, Dept. of
Chemistry. June 1, 1964. 142 pp.
A theoretical study is reported on the nature of unimolecular
reactions, their dependence on the energy parameters of the
systems involved (photo-chemical or thermal}, and their dependence
on molecular structure. The relevant aspects of the RRKM
formulation for uninolecular reactions are discussed. Emphasis is
placed upon the present status of the theory, and the best
techniques for carrying oat ccmputations. Characteristics of
various model hydrocarbon-type molecular species which are used
in theoretical calculations are outlined. Kinetic isotope
affects are considered and model calculations presented for
hydrogen-deuterium substitution., consideration of reaction
processes shows that a given hydrocarbon species can be produced
at many different pressures, in a variety of energy states and with
various hydrogen-deuterium isotopic compositions. Specific rate
constant relationships to experimental parameter are discussed.
The behavior of some CJ1J-CJ1) alkancs and alkyl radicals are
calculated as examples of highly important practical systems. It
is hoped this will provide useful insights into experimental
situations.#*
1142
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
05058
D» E. Van Sickle and B» R. flayo
OXIDATION OF UNSATURATED HYEBOCABEGNS (FINAL BEPT. OCT„ 1,
1961-SEPT- 30, 1963). Stanford Besearch Inst., Henlc Park,
Calif., Jan* 10, 1964.. 6 pp»
Besearch effort for the last two years us directed principally
toward product studies of low temperature, liquid-phase olefin
oxidations- Fare hydrocarbons were utilized where possible, azo
initiators employed, and conversions limited to 5*„ Correlation
of the hydroperoxide produced with the remaining products found
and assignment of relative rates for two chain propagation
reactions were attempted. A secondary effort was the study of
autocatalysis in oxidation. Cyclopentene was chosen as a model
compound, since its oxidation mechanism is the simplest of the
olefins studied- Decomposition and initiating properties of
hydroperoxides also received attention™ (Author introduction
modified}##
05099
T. S. Nagarjunan, J. G. Calvert
THE PHOTOOXIDATION OF CABB0F HONOXIDE ON ZINC OXIDE. J. Phys.
Chen,. 68, (1) 17-26, Jan. 1964.
The photooxidation of carbon monoxide on zinc oxide solid has been
studied in experiments at 0 degrees. ZnO with presorbed oxygen
was irradiated with 3660-A. light in the presence of CO gas.
C02 was formed in the irradiated system, while its rate of
formation in the dark was negligible. The reaction was studied
under varied conditions: the temperature at which the oxygen was
presorbed on the ZnO, the pressure of oxygen during the
presorption, the pressure of CO gas, the time of irradiation,
and the intensity and the wave length of the absorbed light. The
results confirm that oxygen is adsorbed in at least three different
forms on ZnO in an amount which depends on the temperature of the
treatment. Two of these types of adsorbed species of oxygen react
with CO to form CO2 on irradiation, while the third type is
inactive. The three types may be 02(-), O(-), and 0(2-), with
the first two the active forms. CO appears to react either from
the gas phase or from a weakly adsorbed state. The reaction may
occur through two different reaction paths, one much faster than
the other. The guantun efficiency of the C02 formation varies
from 0.001 at high intensities to greater than 0.1 at low
intensities at 3660 A. Some aspects of the detailed
mechanism are considered. From these and other results some
speculation is given concerning the contribution of photooxidations
sensitized on suspended solid particulates to the chemistry of the
polluted atmosphere. There is a high probability that such
reactions are of little importance in the usual polluted
atmosphere. (S28author abstract)
atmosphere. (Author abstract)##
M. Basic Sciencfl and Technology
1143
-------
05100
J. N. Pitts, Jr., H. N. Johnson, and T. Kuvana
STRUCTURAL EFFECTS IN THE PHOTOCHEMICAL PROCESSES OF KETOHES
IK SCLUTICN . -«J. Phys. Chem. 66, 2456-61 (Dec. 1962).
(Presented at the Symposium on Reversible Photochemistry
Process, Durham, N.C., Apr.. 1962.)
The primary objective of this investigation was to checX the
effect of substituent groups and location of substitution on the
photoreduction of a series of benzophenone derivatives- The
behavior of a series of hydroxy, methoxy, amino, and
chlcroben2ophenones in the photopinacol reaction was studied using
product isolation, UV spectroscopy, phosphorescence,
fluorescence, and EPH spectroscopy- Results and correlations
derived from these studies are discussed herein. Some of these
include the following: Ortho substitution by a number of
functional groups has a pronounced effect on the "go - no go"
photoproperties of the benzopbenone derivatives. Replacing the
OH or the CHS by aethoxy or carboxy restored the
intermolecular hydrogen atom abstracting power of the benzophenone.
This suggests that the deactivating effect of o-OH,NH2, NHCH3,
and methyl groups is due to their tendency to form reversible
photoenols. Ten and 21-hour irradiation at room temperature of
degassed 0.01 H solutions of p-aminobenzophenone in isopropyl
alcohol using a medium intensity mercury lamp produced no
significant permanent changes, strong phosphorescence was noted
during irradiation in the rigid medium at 77 K., and EPtt
resonance signal due to the triplet state of 4-aminobenzophenone
was observed. Long-lived phosphorescence was also observed for
p-dimethylamino and p,p"-bis(dimethylamino) benzophenone. EPB
studies of these and other para-substituted compounds are in
progress. A preliminary report on a similar study in the
anthraguinone system is included.*#
05204
Nicolet
NITROGEN OXIDES IH THE CHEHOSPHIBB,. Pennsylvania State Oniv.,
University Park* Dept« of Electrical Engineering- Dec. 10,
1964., 32 pp» (Scientific Bept. No. 227„) (Rept. Ho.
APCHI-64-939.)
A study is made of the various reactions in which nitrogen oxides
are involved in the chemosphere. The hydrogen compounds do not
play an important role, and it is found that the essential
aeronomic reactions depend on czone and atomic oxygen. Thus, the
ratio nitrogen dioxide-nitric oxide can be determined. The
absolute values of the N02 and DO concentrations depend on the
dissociation of molecular nitrogen in the chemosphere. The
chemical conditions cannot be applied in the aesosphere since the
life-time of NO is relatively lcng, and a downward transport is
involved. Very special assumptions concerning chemical reactions
would be necessary to reconcile the photochemical picture and the
observational results. The introduction of ionic reactions,
considered in an accompanying paper, will lead to a correct
interpretation. {Author abstract)##
1144
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
O5208L
T. J. Wallace, and N. Friedman
FONDAMENTAL INV ESTIGATION OF THE CATALYTIC DEGRADATION OF
HYDPOCARBCN FDEIS (FIRST QUART!RIY FBOGBESS REPT» FEB. 16-MAY
16, 1965.) esso Research and Engineering Co., Linden, N»
J., Process Research Div.. Bay 16, 1965- 30 pp. {Kept- No.
1)..
The reactivity of dilute solutions of benzaldehyde phenyl
hydcazone (EPH) and tolyl phenyl hydrazone (TPH) in benzene
toward molecular oxygen has been determined at 25 to 30 c« and
one atmosphere presEure of oxygen. Both hydrazones oxidized
readily under these conditions with TPH being more reactive than
EPH, This reactivity difference is probably due to the
electron-donating capabilities of the methyl group. It suggests
that electron-attracting groups will decrease the reactivity of
the initial hydrazone but accelerate the decomposition of the
peroxide which is formed,. The stoichiometry of the above
reactions was determined. Each mole of oxygen consumed reacts
with one mole of hydrazone to produce one mole of peroxide. The
disappearance of the hydrazone is best represented by a pseudo
first order kinetic plot„ Gccd reproducibility of the rate
constants was observed. The rate-determining step is, most
likely, hydrogen atom and cumere in benzene at 25 to 30 C.
About 8 to 10$ oxidation of each hydrocarbon was observed under
these mild conditions., In the absence of BPH, no oxidation of
indene vas observed over a 72 hour period. Infrared data show
that indene is converted to products which contaih a carhonyl
linkage., To date, attempts to oxidize tetralin have been
unsuccessful- (Author abstract)#»
05226
E.. Ferht, and R. A« Back
THE REACTION OF ACTIVE NITBOGEN WITH HIXIDRES OF ETHYLENE AND
NITRIC OXIDE . Can. a. Chem. 43, 1B99-904, 1965. {Presented
at the Annual conference. Chemical Inst, of Canada,
Kingston, June 1964, S,F»C„ No. 8406.)
The reaction of active nitrogen, produced in a condensed
discharge at 1 mm pressure, with mixtures of ethylene and nitric
oxide has been studied with mixtures ranging in composition from
pure ethylene tc pure nitric oxide.. The sun of HCN ~ 14N15N
produced from mixtures of C2H4 and 15NO remained constant and
equal to the HCN produced from pure C2H4 for NO
concentrations up to SO vole *. As more NO was added, this sum
rcse towards the value of 14N15S produced from pure 15NO„
These data appear to lend support to the HCN yield from
ethylene as the true measure of nitrogen atom concentration. It
is suggested that 15N0 also undergoes a concerted reaction with
excited 14N14R molecules, to produce 14N15N, and that these
excited molecules can quenched by collision with ethylene or
methane without consuming nitrogen or forming HCN. (Author
abstract)
M. Basic Science and Techrrology
1145
-------
05246
C. S.. Nairaan,, M. Y. Dewolf, and J.. Schwartz
STUDIES OP THE EFFECT OF LASER RADIATION ON CHEMICAL ACTIVATION
AND VAPOR FOG NUCLEATION (QUARTER1Y PROGRESS REPT. NO. 1).
Mithras, Inc.., Cambridge, Mass. Nov. 1964. 17 pp« (Kept.
No. MC 64-110-R1.)
The first objective is the study of various effects of laser
radiation upon vapor and liquid systems comprised of, but not
limited to, the simulant dimethyl methylphosphonate (DMMP) on air
components or both. The second objective is to obtain basic
information on the condensation of vapor or aerosol fogs as a
result of laser radiation. The chemical shifts, coupling
constants, and relaxation times of the methyl and methoxy protons
in DMMP have been measured by nuclear magnetic resonance (NHR)
techniques. Effects of focused and unfocused, Q-switched and
non-Q-switched laser radiation on methanol vapor in a continuously
sensitive cloud chamber have been studied; a much less intense
laser beam can produce condensation fcy incidence on a suitable
surface than is required to produce tracks directly with a
focused beam. A cloud chamber has been tested with low vapor
pressure materials, such as water, to determine the modifications
that are necessary, in order to study DUMP in the cloud chamber.
From NBR studies, it was concluded that background information
about the conventional 8MB spectrum and relaxation times is both
essential and measurable- (Author abstract)
05248
Newhall, H» K.
CHEMICAL EQUILIBRIUM PROPERTIES OF AMMONIA-AIR COMBUSTION PRO-
DUCTS- California Univ., Berkeley, Dept. of Mechanical En-
gineering. (Rept. Nos. TR-1 and HPS-64-4.} «DEC„ 1, 1964.
80 pp.
Results of the machine calculated thermodynamic properties of
reacted ammonia and air are presented. The resulting properties
are available to use as is or for further utilization in predicting
air breathing engine performance, where the fuel is ammonia..
The principal portion of this report is embodied in the tabulation
of species distribution and thermodynamic properties- Included
are ammonia—air mixture equivalence ratios ranging from 0.2 to
1.4, where 1.0 represents chemically correct. The range of ratios
allows for application to Otto, Diesel or Brayton cycles. All
numerical results are based ufob the products of combustion
resulting from the reaction of one pound of air with the reguisite
weight of ammonia.. In the determination of product composition,
the following chemical species were considered to exist in chemical
equilibrium: C02, CO, 820, H2, NO, OH, N2, 02, H,
N, 0 and &r. While traces of additional components might
theoretically exist, their concentrations would be so small as to
1146
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
be negligible for the purpose of this work. All basic
thermodynamic data employed in this work has been obtained from the
Joint Ar»y, Navy, Air-Force Thermochemical Tables, which is
presently the most universally accepted source of theraio-chemical
data. Two previously developed digital computer programs, one of
them being for air fuel ratios greater than stochicmetric
proportion, were used for determination of products over a wide
range of temperatures, pressures and fuel-air ratios. For each
pair of temperature and pressure values selected, the following
data is presented: (1) Chemical composition of products of
combustion; (2) Internal energy of products of combustion; (3)
Entropy of products of combustion; and (4) Volume of products of
combustion.
05253
A. T« Phelps, and G. J. Schulz
ATOMIC COLLISION PROCESSES HELATIHG TO THE IONOSPHERE,.
Restinghouse Besearch Labs., Pittsburgh, Pa., Dept. of
Physics. (Dec. 3, 1964.) 3 pp.. (Research Memo. 64-9E2-113-
¦ 3.)
I. Bass Spectrometer with Ion Telocity Filter: In the
course of work on the production of O(-) fro* CO it was found
that, apart from the sain resonance capture peak in the
cross-section occurring at about 10 evf small subsidiary peaks
exist at higher energies, but below the threshold for pair
production, presumably due to processes of the type e+ CO * C(-)
+ C (electronically excited). 21.. High Pressure Mass
Spectrometry: The mechanisms cf formation of 9 (4+) and 0 (3+)
ions in ion-nolecale interactions in N2 were investigated further.
The results indicated that the M4+) ion is formed through
processes involving (2); Ne82S)
-------
Developments in several aspects cf this research are discussed:
(I) Charge Transfer in N2, 02 and DC - Through improvements
in design and experimental technique ion energy measurements dovn
to 20 ev were Bade. The damaging effects of space charge fields
which increase with decreasing energy, were minimized by arranging
so that the path length traversed by the low energy ions would be
small. The influence of the slow-ion collection field on the
primary ions was diminished through redesign of the electrode
structure in the interaction region. Oxygen Atom Source
Development - In rf discharge Mas used for dissociating oxygen
molecules; design of the discharge tube is disucssed. charge
Transfer in Atomic - Oxygen - Apparatus for this investigation
is discussed. The ions Here produced in an electron bombardment
ion source and vere focused and magnetically mass-analyzed before
arrival at the experimental chamber and additional focusing and
collimation vere provided before intersection of the neutral beam
by the ion beam. Cross sections for the charge transfer between
atomic oxygen and N (plus), N2fcplus), and 02 (plus) ions are pre-
sented. Ion - Molecule Beacticn Studies - Modulated crossed
beam techDigues are being applied to the study of ion-molecule
reactions of the general type X (plus) Y2 egual XT (plus) plus Z
The apparatus is discussed. At the present the signal resulting
from the reaction O(plus) plus N2 egual NOPlus) plus N is be-
lov the noise level, but improvements in the apparatus should make
this and similar reactions observable.#*
0526?
H. A. Taylor, and D. S. Sethi
BITFIC OXIDE PHOTOLTSIS (FIMAI DIPT.). Sew York Dniv-, p8n.y.
(Aug., 31, 1965.} 4 pp. (Sept. No. CD 68018.)
An Aerograph gas chromatograph was used with a millivolt range
recorder. The absorbent was a six inch column of silica gel, used
at room temperature with helium as the carrier gas at flow rates in
the range of 60-65 ml/min. Samples were injected using a
gas-sampling value connected directly to a vacuum system, pressures
being measured on an octoil manometer. In elution, N2, NO and
H02 were removed in the first ten minutes and H20 around twenty
minutes.. The 10 and W02 peaks were not always separable, the
one appearing as a shoulder on the ether peak at some
concentrations bat the retention of the H20 permitted easy
separation and therefore recognition. By calibrating standard
mixtures of *2, SO, S02 and H20, a lover limit for the
detection of 1120 vas established at 10 to the-Bth power mole..
Some twenty photolyses of *0 at 1070 A were made and the
products analysed by the new procedure. None of these shoved any
H20. Since there appeared to be some small variation in the
retention time of 1120 from sample to sample of the calibrating
standards, the photolysis product analysis was sandwiched between
two standard runs. Mo H20 peak appeared. In an effort to
increase the concentration of WC2 with which N atoms night
react during photolysis, small amounts of oxygen were added to the
>0 before photolysis. Still bo 820 could be found. Finally,
small amounts of >20 were added initially to the NO and the
mixture photolyzed at 1470 A. The products after the run
contained no H20. It is apparent that during the period of the
1148
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
photolysis any N20 that night be produced was decomposing* It
is to be concluded that the N20, suEFected in the earlier work
reported in the accompanying reprint, was actually C02 and that
under the experimental conditions with a duration of photolysis
of from 15 to 20 minutes no H20 is present among the final
products. Khile definitely answering the question of the presence
of N20 in the system studied earlier# it must be realized that
another question is posed in its place, namely, if the duration of
the photolysis were shortened, could N20 be found among the
products before its decomposition. To investigate this, as well
as to attempt to answer the guestion of the effect of a change in
the duration of photolysis, a research assistant has undertaken as
his doctoral problem, BO photolysis at 1470 A by a flow method.#
C5268
E. B. Stephens
AESOHPTIVES FOB INFHAHED DETERMINATION OF PEBOXYACYL NI-
TBATES. Anal.. Chem. 36 (4), 928-9 Apr- 1964).
As it has become apparent that the atsorptivities given in the
published PAN spectrum are too low by a factor of about two,
probably because of some error in measurement of the concentration,
new measurements were made and are reported. Because these
compounds are highly explosive, the determination of their
atsorptivities presented special problems. Two independent
methods were eventually developed. In the first, a
pressure-volume technigue (PV), a glass bulb of known volume on a
vacuum line was filled with a measured pressure of PAN vapor.
This was brought to one atmosphere with nitrogen and then swept
into the long patch cell {volume, 640 liters; filled with air at
atmospheric pressure). This produced a concentration of a few
parts per million which gave sufficient absorption for
measurement at a path length of 120 meters« This technique
eventually yielded reproducible results for the first two members
of the series, PAH and PPN. The vapor pressure of PBN is
too low to apply this technigue with available equipment. The
second technigue consisted of filling a lambda pipet (5 microliter}
with the liguid, then allowing this to vaporize into the
circulating system of the long path cell. This also gave a
concentration of about 2 p.p.m» and was quite reproducible. The
densities of the liquids were estimated to be 1„2 grams per ml.
since they sink in water but float on concentrated potassium
iodide solution- Molecular weights were taken. This
technigue was successful for PPS and PBN bat a single attempt
to apply it to PAN failed because the sample exploded while
being vaporized into the cell- For PPN both techniques were
applied and satisfactory agreement was obtained. A mixture of
PAN in nitrogen was found to contain 7230 p.p.m. by diluting
100- or 200-ml« samples into the long path cell, i 10-ci. gas
cell was then flushed with this mixture at atmospheric pressure
and the complete spectrum |3 to 15 microns) recorded using a
Perkin-Elmer double grating spectrophotometer at a slit program
of 10.00,, The absorptivities were in good agreement with those
obtained at 120 meters- The absorptivities of PPN and PEN
measured in the 10-cm. cell were calculated assuming the value at
12,. 58 microns to b« tha same as that found at 120-meter path-
Because of its lower vapor pressure the PBN spectrum was weaker
than the others and therefore somewhat less accurate.##
M. Basic Sciencfl and Techno logy
1149
-------
05286
On F. Devlin? and I,, c. Hisatsune
DREY-BRADLEY POTENTIAL CONSTANTS IN NITEOSYI AND NITRYL HALIDES..
Spectrochim* Acta. 17, 206-17, 1961.
The Urey-Bradley force field has been used to calculate the
vibrational force constants in NOF, NOC1, NOBr, N02F and
N02C1.. Befined force constants using hacionic frequencies of
N0C1 and N02 molecules containing isotopic nitrogen atoms have
also been evaluated* The transfer of Urey-Eradley force
constants from N20i» and NOX ro N02X yielded reasonably good
results except for the N - F stretching mode in N02F.. For
the nitryl fluoride a possible change in assignment is suggested
from the present calculations. (Author abstract)t#
C5288
I. C« Hisatsune,, and K„ H» Hhee
THE INFRARED SPECTRUM OF N203- (In: Advances in Molecular
Spectroscopy.) Proc.. Fourth Intern- Meeting of Molecular
spectroscopy, 1959. 3, 989-98, 1962»
The infrared spectrum of a mixture of N203 and N20U vas
studied in the liquid phase frcm 2 to 25 microns and in the solid
phase from 2 to 35 microns, both at low temperatures. By
comparing this spectrum with that of pure N204 in the same
phases, absorption bands belonging to H203 were identified. A
tentative assignment of all but three of the fundamental
vibrations in N203 is presented.. (Author abstract)##
05289
I» C. Hisatsune, J. P. Devlin, and p8y. wv8ada
INFRARED SPECTRA OF SOHE OBSTABLE ISOMERS OF if204 AND N203-
0„ Chem. Phys„ 33, (3) 71<»-9, Sept. 1960.
The temperature dependence of the infrared spectra of N204 and
N203 in the solid phase at liquid-nitrogen temperatures has been
investigated. From these spectra of both 14M and 15N isotopic
molecules, absorption bands vfaicb may be assigned to unstable
isomers of these nitrogen oxides have been identified. A
reasonable interpretation of these absorption bands can be made by
assuming the existence of two unstable forms of N20« and one of
S2Q3. (Author abstract)I#
1150
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
05302
A. Levy and E. L» Merry man
S03 FOHMATION IN H2S FLARES. J. Eng. Power
87, («) 374-8, Oct,. 1965. (Presented at the Winter Annual
Meeting, American Society of Mechanical Engineers, New
York City, Nov- 29-Dec. 3, 196«.)
The microstructure of H2S-02 flames was developed in terns of
composition and temperature profiles. With the aid of these
profiles* rates of formation of S02 and S03 are reported and
discussed.. With the aid of kinetics and thermodynamic data
developed for the principal reaction steps, it is shown that a
major part of the S03-problem may be related to the O-atcm
oxidation of S02 in the flame. These fundamental studies of
thermochemical reactions provide the basic information needed as
the next step in understanding how reactions in flames and on
surfaces affect external corrosion and deposits in boiler
furnaces. {Author abstract)##
05325
long* P..
FOBBATIOH OF POLYCYCLIC AROMATIC HYDROCARBONS DOBISG INCOMPLETE
CCHBOSTION. {Progress Rept. Oct. 1, 1964-flar- 31, 1967).
Birmingham Univ., England. {Bar- 1967}. 37 pp.
This report comprises three parts: part I: discusses the
development of a rapid analytical method for polycyclic aromatic
hydrocarbons in soots. Extraction with CHCI3 was followed by
column chromatography and then by programmed temperature gas
chromatography, with UV spectrophotometry. Certain polycyclic
aromatics thus identified* have not been reported hitherto in the
literature on soots from hydrocarbon flames* investigations were
made on diffusion flames in which various concentrations of 02 in
02-N2 and 02-Ar mixtures as oxidant were used. In other
experiments oxygen and other additives were introduced into the
fuel supply. The effects on the formation of total soot,
carbonaceous residue, CHCI3 soluble material and polycyclic
aromatics are discussed. Part II: An investigation was made of
the concentrations of stable species in the pyrolysis zone and
particularly in the luminous zone of propane and ethylene diffusion
flames burning on a Wolfhard-Parker type of burner. The effects of
02, H2 and C2H2 as additives to the fuel and of 02 and N2 to the
air stream were examined. Besults shoved that the sooting rate is
related to the C2H2 present in the luminous zone for the C2H4
flames, part III: An investigation was made of the polycyclic
aromatic hydrocarbons associated with the soot in pre-aixed C2H2-02
flames operating at 20 mm. Hg« On the assumption that the
concentration of polycyclic aromatics in the soots collected at
increasing heights in the flame represents the state of affairs in
the flame, it appears that the polycyclic aromatics ate formed
principally in a lower temperature region of the flame than that
corresponding to "carbon** foraatipn. Results also indicate that
C2H2 is important in carbon formation in C2H4 and C3H8-air
diffusion flames. (Author summary modified)
M, Basic Science and Technology
1151
-------
05333
Purcell, 1.. C. and I. P. Cohen
PHOTO-OXIDATION OF HYDROCABEOKS IN THE PRESENCE Of ALIPHATIC
KETONES. Atmos., Environ-, 1 (6):689-692, Nov.. 1967. 16 refs.
Products of photooxidation reactions involving ketone-hydrocarbon
mixtures are reported. Reaction mixtures vere prepared in plastic
bags fabricated from fluorinated ethylene-propylene plastics.
The containers were irradiated by fluorescent lamps with intensity
maximum at 3100 A. The ketones and/or hydrocarbon mixtures
consisted of: acetone, acetone-2-methyl-1-butene, and diethyl
ketone.. The percentage conversions, after 1,2, and 3 hours of
irradiation* of 2-methyl-butene-1 and acetone as a function of
ratio of ketone to olefin shoved that the acetone conversion is
essentially constant, whereas olefin conversions increase with
increasing ratio. Extrapolation of zero ratios of ketone to
olefin indicates an inexplainable background reaction at longer
conversion tines. As with the aldehyde-olefin systems, the rate
of consumption of olefin increased at longer reaction tines. The
ketone conversion rates are virtually constant. Past oxidants
such as ozone or peroxy acid were not detected. Alkyl
hydroperoxide was identified as a slow oxidant product. The
portion of these products due to the ketone photooxidation and that
due to the olefin has not yet been determined. A mechanism often
cited to explain the photooxidation of ketones involves a
free-radical scheme.I*
05351
Cole, ft. and Shulman, H. I.
THE ADSORPTION OP S01F0B DIOXIDE EI DRY IOH EXCHANGE
BES1NS.. Clarkson Coll., of Technology, Potsdam, N. Y., Dept. of
Chemical Engineering. I960* 19 pp. (Published in part in Ind.
Eng. Chem- 52, (10) 859, Oct. 1960.)
Adsorption-equilibrium data were cbtained for the adsorption of
sulfur dioxide from air-sulfur dioxide mixtures onto dry ion
exchange resins. The resins are shown to compare favorably with
those adsorbents in commercial use with regard to their adsorptive
capacity-temperature characteristics. Isosteric heats of
adsorption are tabulated. Isotherms and characteristic carves
representing the equilibrium data are presented.. (Author abstract)
05378
Rinura, K« K. Kimotauki, 0. Tada, and K. Nakaaki
OH THE ATMOSPHERIC OXIDATION OP S0IIUR DIOXIDE. Bodo Kagatu J. Sci.
labour, Tokyo. 41 (10), 501-11, 1965. Jap„ (Tr.)
Basic studies were conducted on the behavior of S02 which is aost
1152
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
representative of gaseous atmospheric pollutants, and the effect of
atmospheric conditions were followed. The first study vas to
follow the tine changes in the decrease in 502 concentration within
a sealed container especially with respect to the rate of air flow,
humidity, or presence of particulate natter. It was found that
high air circulating rate or high humidity increased the rate of
decrease in S02 concentration.. This rate also was greater when
particulate natter was present than when there was none. This
¦teans that the oxidation of S02 is favored by high circulating
rate, high humidity, or the presence of particulate natter.
Qualitative and quantitative tests were conducted on the fornation
of sulfuric acid by the atmospheric oxidation of S02 or by the
reaction of S02 with other gases present in the atmosphere. A
known concentration of S02 was generated into a 27 cu m chamber,
and the H2S04 mist generated was analysed. This was followed by
studies of the reactions between S02 and other gases in 20 1 and 5
1 reaction bottles under fixed conditions, and the products of
these gaseous reactions were analyzed. The results verified the
production of H2504 from S02. It was found that there vas much
greater production of H2S04 fron S02 when other gases such as N02,
ozone, or H202 were present rather than s02 alone. The H2S
04 mist produced from SO2 was observed under a microscope, and
it was verified that liquid droplets (H2S04) were being formed in
the atmosphere. It was found that the presence of particulate
natter greatly accelerated H2S04 production. It vas found that
the atmosphere of an urban area also contains particles similar to
the mist formed in the experiments. This vas verified by electron
microscopy.. (Author summary)
05423
Benson, S» t).. and G. S„ Haugen
THE HECHANISH OF THE HIGH-TEBPEFATUBE REACTIONS BETWEEN C2H2
AND HYDB0GEN„ J. Phys. Chen., 71(13):4404-4411, Dec. 1967.
24 refs«
The observed high-temperature rates of isotope exchange between
C2H2 and D2 have been interpreted in teems of a radical
mechanism. The chain propagation steps for the system are D +
C2H2 yields C2HD ~ H and H + D2 yields D + HD. The
lover temperature addition kinetics to form C2H4 are fitted very
well by a related chain with the same initiation and termination
but a different propagation* The theoretical steady- state rate
expression, derived from the radical mechanism, adequately
predicts the observed rates at temperatures greater than 1400 deg
K.. The problem of attainment of steady state during the short
time interval of the experiment and the catalytic effect of traces
of oxygen and organic impurities on the induction period are
discussed. {Authors* abstract, modified)##
0 5425
Shaw, B., r. H. Cruickshank, and S. V. Benson
THE REACTION Of »ITRIC OXIDE WITH 1,3- AND
1,4-CYCLOHEXAUDIEVES. J. Phys. Chen., 71(13):4538-4543 Dec.
1967. 16 refs.
M. Basic Science and Technology
1153
-------
The gas-phase reactions cf nitric oxide with 1,3- and
1 ,4-cyclohexadiene have been studied in a Pyrex reaction vessel
between 306 and 359 deg. Initial pressures were varied:
1,3-CH, 3-57 torr; 1,U-CH, 10-71 torr; and NO, 61-436 torr.
No pressure change cobId be detected. Products identified by gas
chromatography and mass spectrometry were water, nitroux oxide,
benzene, and traces (about 10* of the benzene) of cyclohexene.
Good mass balances were obtained for the hydrocarbons, but the
water analyses were erratic and the nitrous oxide was less than
given by the stoichiometric equation.. The rate of production of
benzene was unaffected by increasing the surface to volume ratio
20 times and was first order in cyclohexadiene and nitric oxide-
The rate-determining step is given. (Authors" abstract,
modified) ##
C5091
Stephens, E~ B»
TBE FORMATION OF MOLECULAR OXYGEN BY ALKALINE HYDBOLYSIS OF
PEBOXYACETYL NITBATE. Atmos. Environ. 1„ 19-20, 1967.
Alkaline hydrolysis of peroxyacetyl nitrate (PAN) vapor was
found to produce Molecular oxygen in sole for mole yield. This
accounts for the oxygen which was missing in the hydrolysis experi-
ments of Nicksic, Harkins and Mueller. The hydrolysis equation
05611
S. W. Nicksic, J. Harkins, and 6. A. Fries
A RADIOTRACER STODY OF THE PRODUCTION OF FORMALDEHYDE IN THE
PHOTO-OXIDATION OF ETHYLENE IN THE ATMOSPHERE (PART IT—THE
tfFECT OF OTHER COMPOUNDS ON YIELD AND CONVERSION). J. Air
Pollution Control Assoc.. 11, (6) 22K-8, June 1961..
In this study, the tracer procedure was used to study some aspects
of the effect of composition of the irradiated Mixture on .the
amount of formaldehyde produced from ethylene, the latter being the
dominant olefin in auto exhaust. The irradiation chamber
contained oxidants, N02» CH20, hydrocarbons and aerosols.
Oxidant, nitrogen dioxide, and aerosols were measured in order to
obtain a more complete monitoring record of the reaction.
Chemical formaldehyde and radiochemical formaldehyde measurements
together with gas chromatographic determination of hydrocarbons,
were used to establish yields and conversion. Results showed:
(1) Ethylene gives more formaldehyde in the presence of oxygenates
and certain aromatics because the reactions are faster; the
fraction converted, however, remains constant. The guantitative
aspects of the effect of oxygenates remain to be studied. (2)
Formaldehyde yield from ethylene irradiated alone depends on the
nitric oxide-hydrocarbon ratio,. (3} In the presence of other
olefins, the nitric oxide dependency is much less.. (4) Production
of formaldehyde from ethylene is not influenced by other olefins
1154
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
except tor the nitric oxide effect. In reference to changing
composition of exhaust, oxygenates can be expected to increase
formaldehyde formed daring photo-oxidations, but it is not yet
possible to state how big the effect night be. The removal of
olefins will probably affect formaldehyde prodaction in proportion
to the extent of removal. Removal of other olefins will not
affect the reactions of ethylene per se except for the nitric
oxide-hydrocarbon ratio effect.#*
05613
Levine, R« F- Hamilton, and E., Si eon
ATHOSPBERIC PHOTOCHEHICAt BEACTIONS OF HALOGENS AND BtJTYL
HALIDES. J* Air Pollution Control Assoc.*
14(6):220-223, Jane 1964. (Presented at the 56th Annual
meeting. Air Pollution Central Assoc., Detroit, Hich.,
June 9-13, 1963.)
this investigation was oriented toward delineation of the
interactions involved in the chemical inhibition of smog exhibited
by iodine and to a much lesser extent by the other halogens.
Apparatur used for handling and irradiating polluted atmospheric
air was a 500 cu ft chamber enclosed by a "flylar" polyester film
1 nl thick- The chamber is mounted on large casters allowing
positioning of the unit for optimum sunlight exposure. When
thermal (dark} reactions are studied# the entire chamber is rolled
into a large, light tight, thermostatically controlled oven.
Other details concerning the laboratory procedure are given. The
results of these tests show that neither temperature, over the
range of about 100 to 200 P, nor sunlight greatly influences the
reaction ratio of 03 with iodine 2, and that sunlight has a much
greater effect on the reaction rates of the halogens with 03 than
does temperature. The qualitative rates of halogen-ozone
reactions in purified air in sunlight are i.odine 2 greater than
Er2 greater than C12. The effectiveness of iodine 2 in
reducing 03 in a smoggy atmosphere is enhanced over its effect on
03 in purified air, whereas the effectiveness of Br2 and C12 in
quenching siog 03 is diminished. The effectiveness of Br2 in
reducing 03 is inhibited by the presence of both saturated and
unsaturated hydrocarbons, whereas the iodine 2-03 reaction is
unaffected.**
C5628
E. Briner, fU Pfeiffer, and 6. Kalet
A CONTBIBUTIOH TO THE STUDY 01 PEROXIDATION OP NITJtOGEN
OXIDE-III (THE INCREASE IN TBI SSEED OP HITBOGEN OXIDE
PEROXIDATION AT VERY LOR TEBPERATORES). J. Chim. Phys.
(Paris) (Translated as JPBS S-8527-I.,) 21, 25-44 (1924). Fr„
(Tr.)
The process of peroxidation of nitrogen oxide, whose speed
increases as the reaction tempesatuxe drops, is a purely chemical
M. Basic Science and Technology
-------
process in flat contradiction with the general rule that the
speed of a reaction increases with the rise in temperature. A
systenatic study of this phenomenon, measuring the reaction speed
at increasingly low temperatures was conducted. By means of
suitable apparatus and operating methods, the process of
peroxidation over a temperature range from plus 75 deg.. tc minus
190 deg., was observed. For various temperatures within that
range, the absolute constants of speed as veil as the temperature
coefficients were determined. To shew clearly the influence of
temperature as it occurs in practice on nitrous gases, whose
composition is generally given in percentages of NO by volume,
the values for the relative constants and the half-reaction times
for various temperatures above and below 0 deg were calculated.
The half-reaction times are particularly interesting to consider,
since because of the formation cf N2C3 they indicate good
conditions for recovering nitrcus mixtures, To bring out the
effect of refrigeration at minus 183 deg. and for a mixture
containing 1% HO in air, a mixture about the same as the gas from
an arc furnace, the half-reaction time is 5 8 times shorter than
at ordinary temperatures. Intense refrigeration of the nitrous
gases will thus make it possible to reduce the volume of oxidation
chambers by very large proportions.##
05641
A. Goetz, 0. Preining, and T. Kallai
tHE HETASTABILITT OF HATORAL AKE ORBJN AEROSOLS. Geofis.
*ura Appl. (Milano) 50, <3j 67-80, 1961.
the principle of the sampling method of submicron aerosols with
the Aerosol Spectrometer is briefly described and the analytic
procedures for deriving the frequency-size distribution from
photo-oicrographic particle counts and microphotonetric light
scattering measurements of identical areas of the particle deposit.
After initial analysis the deposits were exposed to elevated
temperature (80 C) for several hours and re-analyzed. Four
^representative aerosol types, originating from the high sea, the
shore, vegetation, and metropolitan smog are analyzed in this
manner for the range (0.2 micron = to or less than a - to or less
than 1.3 microns).. All show a very marked decrease, even
disappearance of the smallec particles d less than 0.,5 micron) and
shrinkage of the larger particles |d less than 1 micron). By far
the largest effect is observed for the smog aerosols. This
volatility appears to be caused by either evaporation of the
particle substance or by the gradual oxidation of its organic
components into more volatile products (C02, H20). (Authors"
summary)*#
0E643L
H- H. Reamer
PARTIAL OXIDATION PRODUCTS lOBflJD DUH1MG COHEUSTION. Preprint.
1966,
1166
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Cueing the period covered by this report, primary effort was in
the investigation of the effect of the fuel employed upon the
characteristic perturbations and the residual quantities of the
oxides of nitrogen. The experimental conditions encountered in
connection with the investigation of the behavior of the
propane-air and the n-butane-aii system are given. The average
reaction pressure vas approximately U1 p.s« i..a. The composition
of the products of reaction for the ethane-air, propane-air#
n-butane-air and natural gas-air systems are tabulated. All the
measurements involving natural gas-air, ethane-air, propane-air
and n-butane-air, were carried cut at a stoichiometric mixture
ratio of approximately 0.93. Variation in the perturbations of
normal stress and the frequency, as a function of the molecular
weight of the fuel are reported. The quantities of residual
oxides of nitrogen increased rapidly with an increase in molecular
vt from that of the natural gas-air system to that of the
ethane-air system and progressively increased with further
increases in molecular wt. to propane and n-butane. On the other
hand, the perturbations in the double amplitude of the normal
stress decreased progressively with an increase in molecular wt» of
the fuel. Phase relationships between the upper and lower ports
were almost exactly 180 degrees.. The freguency was approximately
5C9 cycles per sec in the case of the natural gas-air system. An
increase to 521 cycles per sec was found for the ethane-air system
and a small decrease to 518 and 516 cycles per sec for the
propane-air and the n-butane-air systems respectively was observed.
The analysis of the perturbations in normal stress obtained in
connection with the propane-air and ethane-air systems is
included. It is apparent, as in the case of the ethane-air
system, that a phase relationship slightly reater than 180 degrees
exists between the upper and lower ports, again confirming that the
primary nature of the perturbations involved a longitudinal wave..##
05824
1. G. Wayne
OH THE HECHANXSM OP PHOTO-OXIDATIOH IN SMOG- Preprint.
(Presented at the Jcint Research Conference on Motor
Vehicle Exhaust Emissions and Their Effects, Los Angeles,
Calif., Dec. 5, 1961).
The action of sunlight on urban atmospheres contaminated with auto
exhausts promotes oxidation of hydrocarbons and. NO and eventual
accumulation of 03. Same very intriguing problems of'chemical
mechanisms are presented by these reactions* It is the purpose
of this paper to subject to an elementally kinetic analysis some of
the proposed reaction schemes and to introduce a mechanism which
shows promise of explaining certain features of the photooxidation
process. Experiments have established that the oxidant material
is mainly 03. The various hydrocarbons present in automobile
exhaust disappear at different rates; olefins in general react mare
rapidly than paraffins, and mcst olefins react more rapidly than
ethylene, which is the predominant olefin in auto exhaust.
Relevant information available from experiments involving the
irradiation of synthetic atmospheres containing Ion concentrations
of hydrocarbons and oxides of nitrogen has presented reasoning
M. Basic Science and Technolofy
1157
-------
leading to the conclusion that react chains are very probably
involved in these systeis., Briefly, the reasoning is that, since
N02 is the only likely primary absorber of actinic light
products, hydrocarbons are probably involved by reaction with the
oxygen atoms produced in the photolysis of N02; but since the
rate of accumulation of products is sometimes faster than the
estimated rate of reaction between hydrocarbon molecules and
oxygen atoms, each appropriate oxygen atom collision must lead to
several subsequent steps, i.e.., to a chain of reactions. Such a
chain might promote the conversion cf NO to N02 in either of
two ways: by direct consumption of NO, or by consumption of
molecular oxygen to form 03.. Kinetic implications of chain
mechanisms of 3 different types cf examined: (1) A mechanism
offered by Saltzman, in which chains are initiated by free
radicals formed in a hydrogen abstraction reaction by oxygen atoms;
(2) A scheme suggested by Leighton incorporating some suggestion
of Schuck and Doyle; (3) A new hypothetical mechanism,
serving to illustrate the possible conseguences of a chain-
tranching step. Further study, particularly of the relative
rates of photooxidation of citric oxide and olefins in systems with
very little nitrogen dioxide, should provide evidence bearing on
the importance of branching chains in the urban photochemical smog
system.#•
05849
N.. A. Renzetti and G. J„ Doyle
THE CHEMICAL NATDBE OF THE PARTICULATE IS IRRADIATED AUTOMOBILE
EXHAUST- J- Air Pollution Control Assoc. 8 (H), 293-6
(Eeb. 1959).
The Los Angeles smog is characterized by its several
manifestations namely, eye irritation, crop damage, reduced
visibility, and high ozone concentrations, since automobile
exhaust is the major contributor to the pollution of the Los
Angeles atmosphere, its relaticn to all aspects of smog formation
is of prime importance. There have teen three studies of the
chemical nature of the particulate in non-irradiated auto exhaust.
This is believed to be the first report on the nature of
photochemically generated aerosol in auto exhaust. All of the
aerosol collected for the chemical analyses was generated under
similar conditions. The irradiated chamber was first flashed with
pure air and then auto exhaust at 5000 or 7200 ppa by volume was
allowed to enter the chamber after passing through the inlet
filter- As soon as steady state concentrations were reached, the
chamber irradiation lamps were turned on. The experiments were
dynamic in nature with 1-hr residence time for the mixture in the
chamber daring which period the irradiation took place.. The
aerosol under study was that generated essentially in a stirred
flow reactor. The runs lasted up to 9 hr in order to collect
samples of sufficient size for the standard microanalytical
techniques to be used in the analyses* Hicrocombustion technique,
microanalytical chemical techniques and infrared absorption
spectrum measurements are reported. Irradiated auto exhaust
appears to be the principal source of nitrate, sulfate, lead, and
organic compounds in the particulate matter of Los Angeles smog.
1158
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Further, these findings explain the higher values of nitrate and
sulfate found in Los Angeles and other similar West Coast
cities in comparison with other cities.. Assuming six Million
gallons of gasoline are consumed in auto engines per day in Los
Angeles* about one ton per day of ncn-irradiated particulate and
at least 10 tons per day of photochemically generated particulate
are present in a typical s*og„##
05904
Bebbert, B« E. and Slagg* H-
PRIBABI PROCESSES IS THE PBOTOCHIDICAL DECOMPOSITION Of
JUTHCALKANES. Bull. Soc.. Chin. Beiges (Brussels) <71) 709-21, 1962.
The present work includes a detailed investigation of the gas and
liquid phase photolyses of nitromethane and nitroethane. The main
purposes were to determine the primary process or processes
occurring for both compounds and to investigate seconfary
reactions. Nitromethane and nitroethane were photolyzed in the
liquid and gaseous phases in order to distinguish the various
possible primary processes occurring for each compound. In the
case of nitromethane* a free radical split Has postulated to
account for the products as CH3802 + hv ¦ ¦ CH3 ~ K02„ 7or
nitroethane* there are at least two priaary processes occurring*
namely C2H5N02 ~ hv « C2m ~ BONO = C2H5 + H02» Various second-
ary reactions are discussed fcr both compounds.
06068
S. Nicfcsic, Jm Bar kins, a in fl P. K. BOellet
S0HE ANALYSES FOB PAH AND STODIES 07 ITS STBUCT0HE-
Atmospheric Environ. 1|1& :11-18 <(1967).
The methods described by the author previously (Hethods for
Heasuring the Concentration and studying the Structure of
Compound X in Synthetic Preparations, presented at the 7th
Conference on Methods in Air Pollution Studies, Los Angeles,
California, January 25-26, 1965) were used to obtain structural
information on this compound. AlXaline hydrolysis, hhr studies*
and neutron activation analyses for oxygen content were used.
The quantitative conversion of PAS to nitrite and acetate by
alkaline hydrolysis suggested that the coapound was the mixed
anhydride of nitrons acid and acetic acid* but the oxygen content
was much too high to support this structure* PAW la
sufficiently stable at aabient conditions in carbon tetrachloride
and benzene to permit a study of its reactions in solution* The
quantitative conversion of PAD in the presence of sodium
hydroxide to acetate ion and nitrite ion mast mean either that the
coapound contains the nitrite group or that the nitrite is in jbow
way formed accompanied by the evaluation of oxygen. Direct oxygen
analyses performed to data indicate that the molecule contains at
least 5 atoms of oxygen* but the data do not preclude the
possibility of still higher oxygen content. Perhaps a
M. Basic Science and Technology
1159
-------
relationship between PAN and nitrogen trioxide exists since the
latter is known to dissolve in alkalis with complete conversion to
nitrite (Sidgwick, The Chemical Elements and their Compounds,
Volume I, p 688, Clarendon Press, Oxford, 1950).. The
two-£old activity in depressing the freezing point of benzene and
the conversion to methylacetate in the presence of sodium
hydroxide require further study. Nuclear magnetic resonance
provides a convenient and direct observation of the solution
chemistry of this unusual molecule.##
06102
K. Endow, G.. J. Doyle, and J» 1. Jones
THE NATURE OF SCHE HODEL PHOTOCHEHICAL AEROSOLS* J. Air
Pollution Control Assoc. 13 |4), 141-7 (Ape. 1963).
(Presented at the 55th Annnal Meeting, Air Pollution Control
Association, Chicago, 111., Hay 20-2U, 1962.)
To obtain greater knowledge of the chemical nature of that part of
smog which reduces visibiligy, its significance to health and
its formation in model aerosols were generated by the
photo-oxidation of a single hydrocarbon, by nitrogen oxides and, in
mcst instances, by the co-photooxidation of a third
component-sulfur dioxide. The model aerosols are the result of
the same type of process which undoubtedly takes place in the
atmosphere, but the complexity of the reactions is considerably
reduced and the chemical composition is more closely controlled.
Evidence from infrared spectra of precipitated model aerosols
formed by the photo-oxidation of lower olefin homologs-nitrogen
oxides-sulfur dioxide mixtures at 50* relative humidity indicated
that the principal constituent of the aerosol was sulfuric acid.
Other analytical data, micrccheaical elemental analysis, spot
tests, and the like, gave support to the belief that the
principal constituent of these aerosols was sulfuric acid- In
addition to sulfuric acid, the aerosols contained a smaller
concentration of nitrite-type material. Height loss studies of
precipitated aerosols indicated either that portions of the
condensed aerosol materials were volatile or that the aerosol was
unstable and a decomposition product was volatile.##
06189
liu, K. T. Whitby, and H- s. yu
OS THE THEORY OF CHARGING OF AEROSOL PABTICIES BY UNIPOLAR IONS IN
THE ABSENCE OF AN APPLIED ELECTRIC FIELD. J„ Colloid Interface Sci.
23 <3), 367-78 {Bar- 1967).
The charging of aerosol particles by unipolar ions in a gaseous
medium and in the absence of an applied electric field has been
analyzed from the standpoint of the kinetic theory* The result has
been cellared and found to show good agreement with the
experiemental data, when the mean thermal speed of the corona ions
1160
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
used in the charging experiments is taken as 1-18 X 10*000 cm„/sec.
This is equivalent to assuming a value of 460 for the molecular
weight of the ions. The molecular weight thus determined and the
measured nobility of the ions of 1«1 sq. cm./volt-sec. at
atmospheric pressure both tend tc support the vie* that the corona
ions used in the charging experiments are molecular clusters foraed
by the interaction of the charge and dipole nsonent of the molecules
in the cluster.. However, the exact nature of these molecular
clusters could not be determined frcm the measurements made. The
experimental data show that the charging process is unaffected by
the mean free path of the ions and hence by pressure. This is in
agreement with the result of the theoretical analysis based upon
the method of kinetic theory of gases and is in variance with
theories based upon the macroscopic diffusion of ions.. It has also
been shown that the predicted increase in the particle charging
rate in HurphyBs analysis is entirely the result of neglecting the
curvature of the free path cf ions in the vicinity of a charged
particle. The correct equation* taking into account the curvature
of the ion free path, agrees with an equation first derived by
Dhite.. The failure of the theories based upon the solution of the
continuous steady-state diffusion equation to account for the
experimental facts has been shown to be due to the low
concentration of ions normally encountered in any aerosol charging
process and the essentially discontinuous nature of the charging
process.. (Authors" conclusions)
06236
Goetz, A..
THE SYNTHETIC PRODUCTION OP AEROCOLtCIDS AND THEIR QUANTITATIVE
EVALUATION* Proc- Nat. Cof. Aerosols, 1st, liblice, 1962.. (1964)u
pp.. 153-68..
The experimental efforts towards an understanding of the basic
processes which cause the fomation of aerosols indicate that these
reactions cannot easily be studied in quantitative detail
under static conditions it large exposure chambers* It appears
preferable to use for detailed studies of such reactions a
continuous, dynamically steady flew to which the various reagent
components are added, and which is sampled at various defined
reaction stages. The reliability of many such dynamic procedures
depends on the degree to which the physical conditions of the flow
system and the reaction kinetics therein can be kept constant over
extended test period« The method and instrumentation described in
this paper intended to over come these difficulties, ic particular
to facilitate the systematic study of synergistic effects in
aerocolloidal systems.
06320
E„ s« Pishburne, D.. R. Bergbauer, R. Edse
THE cmiOTTIC DBCORPOSITICK OP SITBO0S CUBE MB TBI THERMAL
EICCMPOSITION OP NITROGEN DIOXIDE. Ohio State Univ.,
Columbus, Aeronautical and Jtstronautical Research Labs.
M. Basic Science and Techtpiogy
1181
-------
(Aug.. 1965), 35 pp.. (Pept. AH1 65-169.,} (Contract AF
33(657-8951.) (Project 7065.)
CFSTI, DDC: AD 622692
The reaction between atonic oxygen and N20 has been studied
at temperatures ranging from 1500 to 2100 K. The atomic oxygen
in this study was generated by either the thermal decomposition
of N02 or the thermal decomposition of ozone. To determine
the amount of atomic oxygen released in the thermal
decomposition of N02 it was necessary to study this
decomposition in detail.. This study was conducted also at
temperatures ranging from 1500 to 2000 K and over a wide
range of concentrations and pressures. The reaction rates
obtained for the various steps in the decomposition of N02
are in general agreement with those obtained by other
investigators. The reaction of nitrous oxide in the presence
of N02 with Ar as the diluent was studied to determine if
the oxygen released in the decomposition of N02 would accelerate
the decomposition of N20* Ho noticable acceleration was
observed. Hany experiments were conducted with a H20 mole
fraction of 0..02 and 03 mole fractions varying between 0..005 and
0.06.» In these experiments the diluent was molecular oxygen.
The presence of atomic oxygen definitely produced an increase in
the rate of decomposition of H2C.. It is found that the
reaction between atomic oxygen and 820 is pressure dependent.. It
is shows that the different rate constants obtained by other
investigators may be reasonably explained on the basis of a
pressure dependent step in the reaction mechanism.. (Author
abstract)##
06418
C. Crr
THE ISF10ESCE OP ELECTROSTATIC IEFECTS OS TBE DISPEHSIOM Of
POWDERS, Preprint. (Presented at the 60th Annual Meeting,
Air Pollution control Association, Cleveland, Ohio, June
11-16, 1967, paper Ho. 67-116.)
The objective of this study is to relate the electrostatic
charging characteristics of powders upon dispersion to the
stability of the resulting aerosol. Present information does
net conclusively establish to what extent electrostatic charging
enhances or degrades the dispersics of a powder and whether or sot
the resulting aerosol is more or less stable. Tests designed to
measure the frictional charging characteristics cf powders
relative to ambient conditions are discussed. An apparatus was
devised in which pwders could be made to slide across solid
surfaces, indicating the charging developed. The presence of
certain gases (S02, C02, N02) altered the charging of a
number of powders. The influence of B02 was particularly
evident. Its effect was purely physical in many cases, for
evacuating a powder restored its original charging
characteristics. Various powders and mixtures of powders are
being dispersed into an aerosol chamber with the charge generated
upen dispersion and the decay rate of the aerosol being
1162
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
measured. The most interesting effect uncovered so far, although
it should not be unexpected, is that two powders that normally
charge due to frictional effects with opposite sign will produce no
net charging when nixed in the proper proportion*##
06t73L
Eonner, B.. H„
BE ACTION RATI DATA FOR SOME NITFOGEN/OXYGEN SPECIES. Rocket
Propulsion Establishment, Westcott, England, RPE-TH-U25,
24p., 1966.
DDC: AD80B585
Reaction rate data for sixteen gas phase reactions involving
species composed of nitrogen and oxygen are presented. The
sources of the data presented in each table are given as
references, together with brief indications how the data were
obtained.
C6H77
0. F., Carleton
STUEIES OF HETASTABLE HOIECOLBS OF ATMOSPHERIC INTEREST (FINAL
REPT. JUNE 1, 196U-ADG. 31,1966)* Smithsonian Astrophysical
Observatory, Caibridge, Mass., {Oct. 1966). 52 pp.. (Rept.
Mo. AFCRL-66—717.)
CESTI, DDC: AD 642 851
The work described in this report has focused on the study of
metastable states of atoms and molecules of atmospheric interest.
The technique was to form a thermal molecular beam and produce
metastables in the beam by electron bombardment. The metastables
drifted along with the beam, and were observed to decay in flight,
to collide with other molecules in a low pressure gas cell, and
to strike metal surfaces (with subsequent ejection of electrons).
The following observations were made: (1} N2 metastables excite
the gamma bands of No with a rate of about IX of the
momentum-transfer collision rate, populating only low vibrational
levels. (2) A long-lived 02 metastable state around 10.8 ev
reported by others apparently does not exist (but rather belongs
to impurities in the 02).. (3) long-lived metastable molecules
can effuse directly from a region containing a short duration
( a few msec) afterglow of R2 and (U) Excited N2 molecules
can maintain their excitation after collision with a teflon
surface, with a reflection coefficient of WO* + or- 20*» A
theoretical estimate of the mode of deca; of long-lived metastables
shows that electric dipcle radiation resulting from spin-orbit
coupling will almost always dominate magnetic quadrupole radiation.
{Author abstract modified)
M. Basic Scimce and Technology
1163
-------
06612
R- Penndorf
HIE SCATTERING COEFFICIENTS FOR SELECTED AEROSOL SIZE
DISTRIBUTIONS (FINAL REPT,. APR. 1, 1964 - OCT. 31, 1965).,
ATCO Corp.., Wilmington, Hass.,, Research and Development Div.
(Rept. Nos.i RAD-TB-65-39 and APCRL-65-836.) (Oct. 31, 1965J .
17 pp..
Formulas are derived for volume scattering coefficients
applicable to aerosols. Different types o£ size distribution for
the aerosol, such as normal distribution, log-normal distribution,
and exponential distribution, are assumed. Nominal results
obtained by the author and those published in the literature are
given and discussed. The volune scattering coefficients become
smooth functions.. The size distribution is very wide. Hence,
simpler mathematical formulation can be used than those obtained
from the exact Hie theory. However, only the number of aerosol
particles can be obtained frcs an evaluation of experimental data,
but details of the size distribution cannot be extracted from
experimental data. (Authorus abstract)##
06646
Go Porter and P.. Suppan
PRIMARY PHOTCHEWICAl PROCESSES IN ARCHATIC BOLECULES.. {PART
14. COMPARATIVE PHOTOCHEMISTRY CF AROMATIC CARBONYL COMPOUNDS).
Trans. Faraday Soc.v (528), 3375-83, Dec. 1966.
Quantum yields of photoreducticn are correlated with
spectroscopically determined energy levels of lowest singlet and
triplet states for a range of aromatic cacbonyl compounds. The
interpretation of reactivity in terms of electron density
distribution in the excited states, which was given earlier for
benzophenose derivatives. Is equally applicable to benzaldehydes,
acetophenones, and tc carbonyl derivatives of naphthalene and
anthracene.. The photochemistry of these compounds depends only on
the nature of the lowest triplet state, or the lowest singlet state
if intersystem crossing is not efficient (in the anthracene
derivatives and in ortho-, hydroxy- and a»ino-compounds|„ Both
the hydrogen-abstraction and the double-bond addition processes
involve essentially the approach of a negative charge towards the
carbonyl oxygen.. If the oxygen atom is negatively charged, there
will be an energy barrier increase from the n—-pi* state to
I—Pi* states and become greater with increasing CT character
of these states..##
06698
R„ W., Hum, B. Dimitriades, and R» D. Fleming
HOW HYDROCARBON TYPES DETERMINE SUGG-JOBBING POTENTIAL 07 EXHAUST
GASES. S.A.E. (See. AutCiCt. b8eng.) J. 74 (2), 59-61
{Feb. 1966).
1164
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Relationships between automobile exhaust gas reactivity under
irradiation and composition of unburned hydrocarbons in the
exhaust was studied over a wide range of fuels and driving
conditions, indices measured were: rate at which NO is
converted to N02; oxidant formation; and formaldehyde formation.
These were correlated with concentrations of; unsaturates
plus oxygenates; non-aromatic unsaturates plus oxygenates; and
non-aromatic unsaturates plus oxygenates* less acetylene and
propylene.. Correlation between conposition and chemical
reactivity is not consistent, oxidant formation is constant
within experimental error limits. Variability in the rate of
KQ2 formation is considered to be due to variations in
composition, including variations in molecular weight, within each
of the general classifications with which reactivity correspondence
was sought. Inherently low precision of the analytical method may
be at fault for the «¦ or - 34* scatter shown in
formaldehyde-fornation data* For exhaust samples of similar
origin Ithat is, the same fuel), a fairly well defined correlation
exists between reactivity and composition. Extracting all or part
of the unsaturates and oxygenates from exhaust samples does tend
to reduce their reactivity. Nitrogen oxides also play a complex
role in determining reactivity. In a hydrocarbon-nitrogen oxides
mixture, reactivity is more or less a monotonic function of the
hydrocarbon concentration, but its dependence on nitrogen oxides
is not monotonic.. Comparing the reactivity of two exhaust samples
, therefore, means taking account not only of reactive hydrocarbon
concentrations, but also their ratios to nitrogen oxides, as well
as the direction in which the hydrocarbon to nitrogen oxides ratio
affects reactivity.##
06719
Harkness, A. c. and F. E. Hurray
GAS PHASE OXIDATION OF HETHTL HEHCAP1Intern. 3. Air
Hater Pollution, Vol. 10, p. 245-251, 1966.. 8 refs.
The reaction between methyl mercaptan and oxygen in the gas phase
has been examined in the temperature range 201 to 275 c. sulfur
dioxide is the chief product of the reaction, being formed together
with methane at the start of the reaction. Other products of the
reaction are carbon monoxide, carbon dioxide, hydrogen,
formaldehyde and methanol. In the presence of excess oxygen,
complete conversion to sulfur dioxide is obtained quickly at 275
C. At lower temperatures and lower oxygen content much of the
sulfur remains unaccounted for.. In confirmation of previous votk
the rate of reaction was found to be strongly accelerated by oxygen
and to be inhibited by mercaptan.##
06720
A. 0. Fatiadi
EFFECTS OF TEKFEFAT0PE AMD OF BITBAVIOIET HAEIAT10# ON PYHENt
AES0RBID ON GAB DEN SOIL. Environ.. Sci. Technol. 1 (7) ,
570-2 (July 1967) *
M. Basic Scltnce and Ttckiioiofy '
T16S
-------
Irradiation of pyrene adsorbed on garden soil for 2U0 hrs at 32
degrees gave a mixture of products that could be separated by
thin-layer and coluirn chromatography,. Eight compounds were
formed, and five have been identified: 1,1"-bipyrene, 1*6- and
1,8-pyrenedionesr and 1,6- and 1 ,8-pyrenediols. When the pyrene
adsorbed on garden soil was stirred in the dark for 240 hrs at 32
degrees, the yield of 1,1#-bipyrene was lowered (from 4 to 6X) to
0„3*, and only traces of the two diones were formed; on treatment
in the dark at 110 degrees for only 8 hrs, dione yields were
increased to 2..5*. When cthei particulates (silica gel,
alumina, Florisil, etc.) vere used instead of garden soil,
1,1'-bipyrene was not formed- Experiments in which
radical-capture agents were incorporated showed lower yields of
1,1"-bipyrene, indicating that the reaction with ultraviolet
irradiation involves a free-radical mechanism. The yield of the
diones was unchanged with these agents present, suggesting that
they are formed by attack of adsorbed oxygen on photo-excited
pyrene molecules., Irradiation cf pyrene in the crystalline
form without soil did not produce 1,1"bipyrene.. No attempt was
made to follow quantitatively the input of energy during the
irradiation of pyrene on soil (a heterogeneous reaction); from the
practical standpoint, however, the main objective of this study
was to trace the fate of pyrene cn soil, as a representative
reaction cf a series of polycyclic, aromatic hydrocarbons
(carcinogenic and non-carcinogenicj« (Author abstract)#*
0695U
H„ S. Johnston, G„ £,. Mcgraw, 1. 7. Paukert, I. W.
Richards, and J. Van Den Eogaerde
MOIECOIAP-MODOLATION SPECTROMETRY I. NEW HETHOD FOR OBSERVING
INFRARED SPECTHA C? FREE RADICALS. Proc. Hat'l Academy
Sci.., US 57 (5), 11U6-53 (May 1967).
in complex chemical reactions involving three or more free
radical intermediates, it is impossible to deduce a unique mec-
hanism merely by chemical analysis of all products and reactants.
The most promising source of information is spectroscopic
observation of the free radical intermediates. The flash
photolysis method obtains infrared spectra, producing high
concentrations of the intermediate radicals by subjecting the
parent gas to a short intense pulse of energy* There are
limitations to this method which are improved upon by the molecular
modulation technique. Here the photolyzing light is turned off
and on continually, modulating slightly the concentration of the
reactants, intermediates, and products. When the concentration of
a chemical species is varied periodically, absorption which is due
tc this species is used to modulate a transmitted infrared team
intensity.. Thus when scanning through the spectrum, the light
intensity is modulated only when one passes through that region
characteristic of a particular reaction member. This method
gives the vibrational spectra and the lifetime of the radical.*#
1166
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
C6980
A. Ju Fatiadi
SEPARATION OF PYFENEDIONES BY COIUHN CHHOHATOGPAPHY. J.
Chromatog. 20, 319-24 (1965)u
Pure 1*6 - 1,8 and 4,5 pyrenediones vie re needed as reference
compounds in connection with studies on the photochemical
oxidation of pyrene» The procedure reported by Vollnann for
the preparation and separation of 1,6 and 1,8 pyrenediones
involves a laborious series of processes. After tests with a
variety of adsorbents and solvents, it was found that 1,6 and 1,8
pyrenediones, in an oxidation mixture obtained from purene, are
separated directly on a column of silica gel with glacial acetic
acid as an eluate. The final purification of 1,6 pyrenedione
was accomplished on a column of activated aluvina with benzene as
a solvent. The composition of each eluted fraction was
checked by thin layer chromatography. The infrared and 1)V
spectra of the purified diones and of 1-0x0-6,7
phenalenedicarboxylic acid anhydride were recorded.##
07082
Jchnstone, H. p. and A. Boll
AIR POLLUTION . „ . FORHATIGN OF
Eng. Chen., 52(10):861-863, Oct.
the 136th Meeting, Div. of Rater
N.J., Sept* 1959..)
SULFURIC ACID IB FOGS., Ind.
1960. 15 refs» (Presented at
and Hastes, Atlantic City,
The formation of sulfuric acid from dilute sulfur dioxide in the
presence of artificial fogs nucleated by small particles of
manganese and iron salts vas studied. The effects of the presence
of inert salt nuclei and of inhibitors in air along with the
catalytic nuclei on the rate of reaction and formation of the
acid when relative humidity of air is below saturation, but above
the critical value at which saturated solutions of the salts exist
were also noted. Laboratory experiments with artificial fogs
forned in controlled atmospheres show that oxidation of sulfur
dioxide in air at concentrations corresponding to those in
combustion gases diluted 10 to 1000 times takes place rapidly when
catalytic nuclei ar« present, concentrations of acid up to 50 mg
per cubic meter are formed in a few minutes. High concentrations
of inert nuclei decrease rate of formation, but do not stop the
reaction. The fastest rate is with catalytic aerosol at relative
humidities just below 100V.#*
07085
Sharp, H», T. Kuwana, A. Csfcorne, and J. S. Pitts,
Jr..
SOHE ELECTHON SPIN RESONANCE STUDIES ON OLTBAVXOLBT IRRADIATED
M. Basic Science and Technology
1167
-------
SOLUTIONS OP AHTHRAQOINONE AND BENZOPHENONE. Reprinted from
Chen. Ind„, p„ 508-509, Hatch 17, 1962- 9 refs.
Elucidation of the photo-chemical reduction mechanisms of
anthraguinone and benzophenone in alcohol solutions has led to the
investigation of possible free radical intermediates or products
by electron spin resonance (F.S.B.J methods. A free radical
anion was produced photochemically at room temperatures by
irradiating a solution of 0.0006 B anthraquinone in lithium
hydroxide methanol. The overall band width of the E.S.It.
signal was 11..0 gauss. Definite configurations! proton
assignments could not be made. In neutral solutions of
methanol at room temperatures the irradiation of anthraquinone did
not produce an E.S.R. signal- When the temperature mas lowered
to minus 190 deg C. a broad singlet was obtained with no
hyperfine structure. The signal disappeared when the sample was
warmed to minus 150 deg C» At low temperatures the "reactivity"
of the radical is lessened. In the photochemical reduction of
benzophenone to benzpinacol, the irradiation of a degassed
solution of benzophenone in iscpropyl alcohol gives rise to an
"intermediate" species with an absorption maximum at ca»330 to
3400A. An attempt was made to detect this "intermediate" by
E.S.R.. The benzophenone solution was irradiated for various
intervals of time. After each irradiation, the solution was
examined by both ultraviolet and E«. 5«R« spectrometry . In no
case was an E.S.R. signal obtained.* However, when the
temperature was lowered to minus 150 deg C. and solution was
irradiated directly in the cavity of the instrument, a resonance
was observed, which disappeared rapidly at minus 100 deg C» The
E..S.P. spectrum for the isopropanol radical was not observed,
although it may be masked by the broad ban. It can be seen in
certain photosensitised systems irradiated at low temperatures.
Further work is in progress toward elucidating the intermediate(s)
present in the photolysis of benzophenone-I#
071 ce
Renzetti, V. A. and 6. J. Doyle
PHOTOCHEBICAL AEROSOL POBHATIOH III StlLFUB DIOXIDE-HYDROCARBON
SYSTEMS. Intern. J. Air Hater Pollution, 2:327-345, June
1960. 31 refs. (Presented at the Int. Clean Air Conf.,
London, Engl-, Oct. 20-2
-------
The high sulfate content of the particulate natter and low
gaseous sulfur dioxide concentrations observed in the Los
Angeles snog are consistent with the findings of this
laboratory program. (Authors* summary, modified)#*
074U5
J. B« Mudd, T.. To Hcflanus
PRODUCTS OF THE BEACTIOH OF PEB0XYACITY1 SITBITE WITH SULFHYDRYL
COMPOUNDS. Preprint, California Univ., Riverside,, Dept..
of Biochemistry and Statewide Air Pollution Research Center,
f (1 a|) p. 1967..
The proportion of oxidation and acetylation of sulfbydryl groups
by peroxyacetyl nitrate was investigated. The compounds chosen
for study were glutathione, coenzyme A, and reduced pancreatic
ribonuclease. It was expected that these studies would
elucidate the mechanism of toxicity of the peroxyacyl nitrates
found in polluted urban atmospheres. Peroxyacetyl nitrate
reacts with reduced glutathione producing eguimolar amounts of
oxidized glutathione and S-acetyl glutathione. Reaction of
peroxyacetyl nitrate with reduced coenzyme A results in the
formation of coenzyme A disulfide, accounting for 30-409 of the
reacted sulfhydryl. The remaining products can be separated
by ion exchange chromatography and are probably higher oxidation
states. There is no evidence of formation of S-acetyl coenzyme
A. The distribution of products obtained by treatment of
coenzyme A with peroxyacetyl nitrate is similar to that
obtained by treatment with hydrogen peroxide. Treatment of
proteins with peroxyacetyl nitrate has not provided any
evidence of acetylation of sulfhydryl groups. The formation
of intramolecular disulfides by treatment of reduced ribonuclease
with peroxyacetyl nitrate is apparent. Mo evidence was
obtained in favor of intermolecular disulfide bonds.##
07450
Sage, B. H»
PARTIAL OXIDATICB PRODUCTS FOBBED FUBIHG COHBUSTIOH (
PARTIAL OXIDATION PRODUCTS FOBBED DDBXHG COHBUSTIOH (SEVENTEENTH
PROGRESS REPORT: JAHUABY 1 TO JDHE 30, 1967). Preprint,
California Inst- of Tech., Pasadena, Chemical Engineering
Lab., ((31))p., 1967.
The monocbromator and collimator employed in the atmospheric
cobbustor, reported under the 15th progress report have been
adapted to the pressure combustor* Results obtained after changes
are reported. Tables and diagrass are presented.##
M. Basic Science and Technology
-------
07458
Benson, S„ 9., and G. fi« Haugen
MECHANISMS FOB SOME HIGH-TEHPERATOBE GAS-PHASE REACTIONS OF
ETHYLENE, ACETYLENE, AND BOTADIENE.. J„ Fhys. Chen.,
71 (6):1T35-17«6, Hay 1967,
Sufficient information concerning the rate parameters of the
individual propagation and ternination steps of radical reactions
now exists so that it is possible to predict the kinetic behavior
of a chain mechanism with better than order-of-magnitude
reliability. This precision cones from the similarities that
exist between the A factors and activation energies of homologous
reactions. In particular, the creditability of a proposed chain
mechanisn for the high-temperature gas-phase reaction of
unsaturated hydrocarbons can be tested by comparing the observed
kinetic behavior with that predicted by the mechanism. A
pyrolytic chain was proposed that adequately describes the
experimentally observed high-temperature hydrogenation of acetylene
and also the high-temperature pyrclysis of ethylene. The
propagation steps representing the formation of the major products
of these systems are diagrammed. The minor product in both
systems is 1,3-butadiene. In the pyrolysis of ethylene, the side
reaction accounts for the production of butadiene. In the case of
the hydrogenation of acetylene, a concurrent chain is responsible
for the side products. {Authors" abstract, modified)##
07463
Harrison, Arthur P»« Jr., and Vivian E« Raabe
FACTORS INFLUENCING THE PHOTODYNAHIC ACTION OF BENZO A PYRENE ON
ESCHERICHIA COLI.. J. Bacterid™, 93 J2) *.618-626, Feb- 1968.
23 refs.
Death of Escherichia coli resulted when a buffer suspension vas
exposed simultaneously to colloidal benzo a pyrene (BP) and
355-milliaicrons illumination. Neither hydrocarbon nor
illumination alone caused death; oxygen had to be present. The
survival curve had a shoulder, and then death proceeded
exponentially with time. Death rate was independent of
temperature between 6 and 32 C. The duration of the shoulder,
however, decreased slightly with increase in temperature. The
shoulder was not due to delay in BP entering the cell. Death
was influenced by the composition of the medium in which the cells
were grown prior to illumination. The amount of BP bound to the
cells was determined after three ethyl alcohol-ether extractions.
Appreciable binding occurred in the presence of 355-milliaicrons
illumination with air, and relatively little binding occurred under
nitrogen; very little binding occurred in the dark with nitrogen or
air.. At the outset, rate of binding under illumination with air
was not temperature-dependent, but with time it became strongly
temperature-dependent. Binding under illumination with nitrogen
was temperature-independent. Bound BP was associated primarily
with cell protein. Cells in growth medium resisted death and
1170
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
BP binding. At 21 and 32 C, deoxyribonucleic acid damage
occurred during exponential death.. No damage was detected at 21
and 32 C in the dark with BP* under illumination in absence of
Bp, or under illumination with BE in a nitrogen atmosphere.
(Authors" abstract)it
07488
Sekigawa, T»
IONS IN AIR (I). Text in Japanese. Kuki Seijo
(Clean air - J. Japan Air Cleaning Assoc., Tokyo),
3(2):26-30, 1965. 12 refs.
Ion size distribution, ion production, ion distribution,
ionization equilibrium, and annihilation of ions are discussed.
Ions can be extremely large, as in the case of snow or raindrops,
or very small like charged molecules. In the distribution curve
by Junge, ions greater than 0.00001 cm (0.1 micron) follow the
"inverse triple ratio law". In this paper, only small ions are
covered, i.e. those produced by electrolytic dissociation of
radioactive materials, cosmic rays, ultraviolet rays, short wave
radiation, separation of liquids, and corona discharge. Small
ions axe created when % single electron attaches itself to a
molecule. The mobility of positive ions is 0.9 to 1„7 sq. co./V
sec. In the atmosphere near the surface of the earth, there are
more positive ions than negative, with a ratio of about 1.1 to
1.2* In clean atmosphere there usually are from 300 to 10QO
positive small ions per cc. and from 200 to 800 negative small ions
per cc. The positive ion and radioactive aerosol concentrations
in clean and polluted air are compared in a table. The hourly
variation in ion concentration is graphed indicating that the
medium size ion has a p«ak around 1 P.H. The number of ions
present varies because of recombination of positive and negative
ions or attachment to other particles. When the production and
annihilation of ions are balanced, the ionization equilibrium state
is reached..**
07495
Ciborowski, J. and B. Pohorecki
THE EFFECT OF EIECTRICAL DISCHARGES ON SUBLIMATION CONDENSATION.
Int. Chem. Eng.# 7(1):4859, Jan. 1967. 46 refs.. Translated
from Chem. Stosowana, Vol. 2B, p. 159-182, 1966.
The effect of electrical discharges on the condensation of vapor
at temperatures below the triple point has been studied. A
simplified schematic diagram of the apparatus used is presented.
It was composed basically of a saturator, a heater, a superheater,
an ionizer, and a condensation chamber* The condensation was
carried out by mixing a hot stream of gas containing vapors of the
condensing component (naphthalene) with a stream of cold inert: gas.
It was concluded that: the existence of a considerable effect of
electrical discharges on the course of sublimation condensation has
been established. This effect is based primarily on
M. Basic Science sird Technology
1171
-------
intensification and simultaneous stabilization of the course of
the progress- The effect of discharges on the condensation
process depends on the type of discharge. This effect is
considerable in the case of spark discharges, but in the case of
corona discharges it was not observed at all„ The magnitude of
the effect observed depends to a snail degree on the voltage (if
it is large enough for spark discharges to occur). This
magnitude also depends on the thermodynamic parameters of the
system; however* no dependence on the flow rate of the gas
through the ionizer was observed (within the investigated limits of
changes of this value). The effects of electrical discharges on
the condensation process can be explained by the formation of a
larger number of active condensation nuclei, which facilitate
nucleation of the new phase.##
C74 98
Hughes, A. N.« M. D. Scheer, and H. Klein
THE REACTION BETWEEN 0<3P| AND CONDENSED 01EFINS BEICW 100
DEG K„ J. Phys.. Chen.., 70 (3) : 798-805, March 1966.
The addition of oxygen atoms to condensed simple olefins has
been studied in the 77 to 90 deg K temperature range. The
ground-state 0<3P) atoms were generated in the gas by
dissociation of 02 on rhenium or tungsten surfaces heated to 2300
deg K.» At 90 deg K and cxygen pressures below 10 ntorr, the
major products were found to be the unfragmented epoxides and
carbonyls. Above 50 mtorr, ozonides and oxygenated products
characteristic of rupture at the double bond were observed. Above
100 mtorr only the ozonides and their fragments were produced. At
77 deg K, the ozonolysis reaction occurred at much lower oxygen
pressures, comparison of these results with those obtained in
the gas phase at 300 deg K indicates that the low-temperature
environment efficiently removes the. excess energy from the excited
biradical forced in the primary act of 0 atom addition to the
double bond. In all cases studied, fragmentation was less
extensive than the comparable gas phase process. (Authors"
abstract)##
07499
Johnston, H„ s.. and ?. Cramarossa
BIGHII COMPLEX PHOTOCHEHICA1 SECHARISHS. Advance. Photochem.,
Vol.. 14, p. 1-2U, 1966. 16 refs.
In a kinetic or photochemical system involving three or more
free-radical intermediates, one can never deduce the mechanise by
any method that merely analyzes for all the final products and the
reactants. The reason for this indeterminacy is very
straightforward: there are simply more elementary reactions than
1172
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
observed products.. The Beer-Ianbert lav, properties of odd and
even numbers, and simple differential and integrated rate equations
are utilized in the interpretation of data for highly complex
photochemical systems. In the photolysis of propionaldehyde the
molecular split occurs to soae extent, bat the principal mode of
decomposition is into two radicals. Radical-radical reactions
are of two kinds, recombination and disproportionation* For
the recombination, there are six reactions and six different
products.. For the dispropcrtionaticns, there are nine
reactions but only six products (one of which is the reactant).
Each of the products is produced by three different reactions;
thus a kinetic study based on analysis of products alone will never
characterize any of the reactions. Notations for expressing the
number of reactions* products and radicals, the rate of destruction
of radicals, half-tine of radicals, rate of radical-reactant
reaction, rate of destruction of reactant, and the rate of radical-
radical and radical-molecule reactions are determined.. A
photochemical reaction may involve a chain reaction, or products
may be formed almost entirely from radical-radical reactions.,
chain reactions are favored by high reactant concentration, low
light intensities, and large rate constants for radical-molecule
reactions (high temperature, lev activation energy) » At a given
light intensity and reactant concentration, a reaction might
be non-chain at low temperature and a chain reaction with
substantially different products at high temperature. Typically,
photocheaists report quantum yield, the ratio of molecules of
products formed to photons absorbed. This taking of ratios
throws away the absolute value of the light absorption rate. A
photochemical reaction involving three or more radicals may be
simplified by careful selection of light intensity,
reactant pressures, or temperature. Three cases are considered:
Photolysis of Acetaldehyde, Photolysis of Acetone, and
Photooxidation of Acetone. In the photolysis of acetone,
simplification has been achieved but in the photoxidation of
acetone such simplification seems to be out of sight.##
07500
Jchnston, Harold D., and Julian Heicklen
PHOTOCHEMICAL OXIDATIONS. III. ACITOSE. J. Am. Che«u
Soc., Vol. 86, p.. 42«9-«25U, Oct- 20, 196U.
The room-temperature phctooxidation of acetone (0.25 to 17 mm.}
in oxygen (0.09 to 9.7 mm) with continuous ultraviolet radiation
above 2200 A., has been tudied,, Observations were made by leaking
the reaction mixture directly into the electron beam of the mass
spectrometer during photolysis. The principal products of the
reaction were H2CO, H20, CH30H, and CH300H; minor
products were CH3COOH, HCOOB, CH300CH3, and higher
molecular weight products *hich were probably CH3C0CH0 and
CH3COCP20H. Because of the cracking pattern of the
reactants, it was impossible to establish the presence or absence
of CH4, CO, CH2C0, and C02» From the identified products
at least 1U free radicals are inferred to be intermediates in this
system. An exhaustive and impartial examination of all possible
M. Basic Science and Technology
1173
-------
radical-radical disproportionation and recombination reactions
indicates that the data exclude a large number of possible
reactions but that 1U0 reactions could still be occurring.
Formaldehyde, so far as these studies go, could be formed by 39
different reactions. Thus, this experimental method cannot give
a complete mechanism, nor can any method that simply analyzes all
molecular products™ (Authors' abstract, modified)##
07505
Hudd, J. E.
BIOCHEMICAL EFFECTS OF SIR POLLUTANT OXIDANTS (PROGRESS REPORT
SEPTEMBER 1, 1965-AUGUST 11, 1967). Calif. Univ.,
Riverside, (26)p„, Aug. 11, 1967. 24 refs.
In order to tetter define the toxicity of ozone, its reactions
with amino acids and proteins were studied under conditions closely
approximating physiological conditions, that is, in agueous
buffered solutions. Ozone was generated by passing oxygen through
an apparatus producing a silent electric discharge. Solutions of
amino acids and proteins were exposed to ozone by permitting the
gas to bubble through the solutions from a capillary tip.. The
following order of susceptibility of amino acids to oxidation by
ozone was found: cysteine, methionine, tryptophan, tyrosine,
histidine, cystine, and phenylalanine. The oxidations of
tyrosine and histidine were dependent on pR, being greater under
alkaline conditions. The oxidation of pancreatic ribonuclease by
ozone resulted in a decrease in enzyraic activity. The amino acid
residues most affected by treatment with ozone were
tyrosine and histidine. Reaction of avidin with ozone caused
changes in the absorbance spectrum characteristic of the
tryptophan residues. The biotin binding capacity of avidin was
lost after treatment of avidin with ozone. The studies
reported herein cannot be used to predict the effect of ozcne on
lipoprotein membranes, and it remains for direct experiment to
ascertain whether the lipid or the protein of biological aieatranes
is first damaged by ozone.
-------
carbony1 compounds with olefins. The s-trans-1-acetylcyclohexene
¦as found to react with isobutylene to form
cis-1-acetyl-2-nethylallycyclohexane without side reactions.
Several s-cis enones were found to be photochenically reactive.
Some general rules are presented which summarize existing
observations for this class of reactions.*#
07512
Slater, David H.„ Susan S. Collier, and Jack G. Calvert
TUB PHOTOLTSIS OP I,!"-A20IS0BDTANE VAPOR AT 3660 A; THE
REACTIONS OP THE ISOBUTYL FREE RACICAL. Preprint, Ohio State
Dniv., Columbus, Evans Chen. Lab., (25) p„, (1967)..
(Presented at the Robert Livingston Photochen. Symposium,,
Minneapolis, Minn., Hay 9, 1967 and 154th Nat. Meeting, Aner.
Chen.. Soc«, Chicago* 111., Sept. 1967.}
The vapor phase photolysis of IjV-azoisobutane was studied in
experiments at wavelength 3660 A and at various temperatures and
pressures. The product rate data fit well the suggested reaction
schene involving an excited azoisobutane molecule and reactions of
the isobutyl free radical. The ratio of rate constants for the
disproportionation and conbination reactions of the isobutyl
radical was estimated to be 0.075 plus or minus 0..007 (25-168 deg) .
Rate constants for the H-aton abstraction and the decomposition
reactions of the isobutyl radical were derived. Trcn the effects
of pressure and tenperature on the guantua yield of nitrogen, an
estinate was obtained for the rate constant for the excited
az/-solecule decomposition reaction. If the excited singlet were
the reactant, then fluorescence emission should be observable from
the azoisobutane. No enission was detectable even in experiments
at -180 deg*##
07513
Siedlewski, J„ and S. Trawinski
THE MECHANISM OF CATALYTIC OXIDATION ON ACTIVATED CARBON.. VIII.
THE RELATIONSHIP BETWEEN THE CONCENTRATION OF FREE RADICALS OF
CARBON AND IIS CATALYTIC ACTIVITY IN THE OXIDATION OF H2S AND
SC2.. Text in Polish, soczniki Chen.., No. 6, p. 1083-1090,
1966. 18 rets. Engl, transl. Intern. Chen. Engl., 7(1):35-39,
1967.
The concentration of free radicals in carbons obtained as a result
of the carbonisation of organic substances depends on the
carbonization temperature. A naxinun nunber is obtained in the
tenperature range of 550-700 deg. depending on the type of
substance carbonized. The nunber reaches 10 to the 20th power
free radicals per gran. At a tenperature of about 1200 deg their
number diminishes by two orders of magnitude. The catalytic
activity of semiconductors, which include low-tenperature carbons
(obtained at tesperatures below 900 deg), depends on anong others,
the crystal structure and the electric conductivity. In the
range of teuperatures in which there is a variation of the
M. Basic Science and Technology
1175
-------
concentrations of free radicals in low-teaperature carbons, the
crystal structure and the electric conductivity vary
simultaneously. The catalytic activity of those carbons can
depend on the variation of both of these parameters, the
oxidation of H2S and S02 on saaples of carbon obtained as a
result of carbonization of saccharose at a temperature of 1200 deg
and of activation with oxygen at teaperatures of 450 deg and 850
deg indicates that those carbons had a siailar crystal structure,
the same electric conductivity, and identical concentrations of
free radicals. They differed only in the number of superficial
oxides formed on their surfaces as a result of chemical activation
by oxygen. The purpose of the present work was to find the
connection between the concentration of free radicals in carbon
and its catalytic activity in the oxidation og H2S and S02.
The number of microaoles of oxidation product foraing per sq. m of
surface of the carbon in a specific tiae is taken as a measure of
catalytic activity. The heating of carbon vith previously formed
free radicals causes a reduction in the number of radical active
centers on the surface and a decline of its activity in the
oxidation of H2S and S02.#*
07517
Wong, Edgar 1., Andrew E. Potter# Jr., and Frank E.
Eelles
REACTION FATES OF CARBON MONOXIDE WITH HYDROXY! RADICALS AND
0X7GEN ATGflS. National Aeronautics and Space Administration,
Cleveland, Ohio, Lewis Research Center. NASA Tech. Note.
TN D-4162, 18 p., Sept. 1967. 28 refs.
CFSTI
A mass spectrometer stirred reactor technique was used to
measure the rates of reaction of carbon monoxide with hydroxyl
radicals and with oxygen atoms. For the carbon monoxide and
hydroxyl reaction in the temperature range of 310 deg to 611 deg
K, the rate constant based on C02 production was 4.2 plus or
minus 0.8 x 10 to the 11th power exp (->1200 plus or minus 300/RT)
cubic centimeters per mole per second. The rate near roca
temperature is lower than other values reported recently. The
activation energy of 1200 calories per aole (5000 j/aole) is in
good agreement with recent estiaates, For the carbon monoxide
and oxygen reaction, an upper liait value for its rate constant
based on C02 production was estimated to be U x 10 to the 13th
power cubic centimeters squared per aole squared per second at 500
deg k.. Since the carbon aonoxide and hydroxyl reaction is
considerably faster than the carbon monoxide and oxygen reaction,
trace impurities giving rise to hydroxyl interfere with carbon
monoxide and oxygen rate measurements, and may be responsible for
the large differences in rate constants reported by various
investigators for this reaction..*#
07607
stein, K. C., J. J, Feenan, G. P. Thompson, J.. F.
Schultz, L. Ju E« Rofer, and R. B. Anderson
1176
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
THE OXIDATION OF HYDROCARBONS ON SIHELE OXIDE CATALYSTS.. J. Air
Pollution Control Assoc.., 10 (0) : 275-281, Aug- 1960. 2 refs..
(Presented at the 52nd Annual fleeting. Air Pollution control
Assoc.., Los Angeles* Calif., June 21-26, 1959..)
A large number of catalysts have been laboratory tested for the
oxidation of various hydrocarbons for the purpose of developing
catalysts which nay be suitable for oxidizing hydrocarbons in
automobile exhaust gas. A large number of catalysts were tested
using the rapid microcatalytic- chromatographic technique. A group
of eight hydrocarbons was selected for study, comprising n-pentane,
isopentane, pentene-2, pentyne-1, n-hexane, cyclohexane, 2,3 -
dimethylbutane, and benzene. Many oxides of some of the metals of
groups IB, VB, VIB, VIIB, and VIII of the periodic table were
selected., A list selected from the oxides used, together with their
B.E.T. surface areas and x-ray diffraction data is shown in Table
I„ Results show that: branched hydrocarbons are more difficult to
oxidize than normal hydrocarbons; ease of oxidation increases with
molecular weight in homologous series; unsaturated aliphatic
hydrocarbons are more easily oxidized than the corresponding
paraffins; in comparing open chain and cyclic compounds having the
same number of carbon atoms, reactivity toward oxidation probably
decreases according to the sequence; the most active single oxide
catalysts were found to be the oxides o£ cobalt, nickel, manganese,
chromium, cerium, titanium* and iron. It is conceivable that
different forms or preparations of the same oxide would have
different activities. The microcatalytic - chromatographic
technigue has proved to be a very convenient means for rapid
screening in oxidation stadies. It is to be recommended where a
large number of catalysts or reactant& are to be investigated or
where a wide range of temperatures is to be used.
07620
Suter, H.. F.
HANGE OF APPLICABILITY OF CATAHTIC F0HE BURNERS. J. Air Pollu-
tion Control Assoc., 5{3|:173-175, 184, Nov. 1955. (Presented
at the 48th Annual Meeting, Air Pollution Control Assoc.,
Detroit, Mich., flay 22-26, 1955„)
A more detailed exposition of the mechanism of vapor-phase
catalytic oxidation is presented. Catalytic oxidation proceeds
through 3 steps: adsorption on the active surface; chemical
reaction; and, desorption. During adsorption turbulence will assist
in the diffusion process and shapes of catalyst supports promoting
laminar flow should be avoided. The clearance between active
surfaces should be small. The general field of applicability for
vapor-phase oxidation in the air pollution control field lies in
streams containing combustible matter at concentrations below the
lower limit of explosibility. The limitations may be physical,
chemical, oc practical and economic. Honcombustible inorganic
solids are not affected by the catalyst, and should be absent from
the stream lest they accumulate and cover the active surface. The
material to be oxidized must yield innocuous products in order to
serve the purposes of air pollution control. Specific catalyst
M. Basic Sciance and Technoloty
1177
-------
poisons aust be absent, catalytic oxidation units are not bought
"off-the-shelf" but arc specially designed for various
applications.
07681
Fontijn, Arthur and Daniel E. Posner
NO + 0 CHE HI LUMINESCENT BEACTION USING ADIAEATICALLY EXPANDED
NITBIC OXIDE- Virginia Univ.., Charlottesville, Dept., of
No. N8- Technical Sept. No« AC-6-P, 7p„, Jan. 1967..
18 refs.
CPSTI, DDC: AD 647978
The rate constant for the cheailuminescent reaction SO + o yields
1902 * hv has recently been observed fro* upper-atmospheric chemical
releases and simulated releases in a Ion-density wind tunnel to be
several orders of magnitude higher for adiabatically expanded than
for "normal" NO. In this note, it is shown that this enhancement
can be attributed to the presence of clustered NO based on super
saturation calculations and recent mass spectrometric gas-sampling
data., these clusters allow the normal three-body excitation step
to be replaced by a two-body step for which the observed rate
constant is shown to be quite reasonable. (Authors" abstract,
modified}
07717
Heicklen, Julian and Norman Cohen
THE HOLE OP NITRIC OXIDE IN PHOTOCHEMISTRY. Aerospace Corp., El
Segunda, Calif.., Contract AP 04 (695) -1001, Rept, SSD-TB-66-19G and
TH-1001 (2250-40)-4, 301p. , Oct. 1966. 464 refs..
CDC: AD 808580
The gas phase chemistry of nitric oxide is reviewed for reactions
of importance below about 300 c. Included are reactions of
vibrationally and electronically excited NO and the reactions of NO
with stable molecules, electronically excited molecules, atoms,
ions, and free radicals. The fate of nitroso compounds is also
discussed. A bibliography containing 464 references is listed.
(Authors" abstract, modified)
07791
Benson, S. S«.
MECHANISM OF THE DIELS-AIDES HEACTICNS OP BUTACI ENI. J. Chem.
Phys„, 46(12):4920-4926, June 15, 1967.
Kinetic data on the pyrolysis of 1,5-cyclooctadiene to give
butadiene and 4-vinyl cyclohexene by parallel paths are analyzed
and shewn to be quantitatively consistent with a common biradical
1178
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
precursor, the octadien-2,6„-diyl-1,8 biradical. It is further
shown that these data are in excellent agreement with independent
studies of the reverse reactions; pyrolysis of 1-vinyl cyclohexene
to butadiene and the dimerization of butadiene, A fourth study of
the pyrolysis in solution of 1,2-diviuyl cyclobutane to give
butadiene, 1,5-cyclooctadiene, 4-vinyl cyclohexene, and
cis-trans isomerization is shown to fit the same scheme with only
¦inor modifications in two of the rate constants. The analysis
lends support to the 12.6-kcal assignment of the allyl
stabilization energy. It also resolves an apparent anomaly in the
rate parameters for the reverse Diels-Alder pyrolyses of
cyclohexene,, 3-nethyl cyclchexene, and 4-vinyl cyclohexene.
Arrhenius parameters for all the elementary rate constants are
assigned and shovn to be reasonable compared to similar
processes. Important rotation-controlled rates in the scheme are
examined and conclusions drawn about the contributions of
different rotoaeric forms of the biradical. {Author"s abstract)##
07798
Hess, X. D.., J. L. jacobson. It. Scbaffuer, and J. If. Pitts, Jr.
STRUCTURE 1SD REACTIVITY IB TUB VABQB-PHASE PHOTOLYSIS OF KETONES.
T. ALIPHATIC CYCLOPROPYL AH8 OIEFIHIC KETONES. J. Am. Chem. Soc.,
89(15| x368lt-3688, July 19, 1967. 3H refs.
Vapor-phase irradiations of the aliphatic cyclopropyl and olefinic
ketones, methyl cyclopropyl ketone(I), 1-cyclopropyl-2-
propanone (II), l-cyclopropyl-3-butanone (IT), and 1-penten-4-
bone (III) at 3T20 A and 120 degrees have been carries out.
Quantum yields of yields of carbon monoxide
from the type x split are 0.04 for ke-
tone I, 0.88 for ketone II, 0.71 for ketone IV and 0.60 for
III. Other primary photochemical processes in these ketones are
the isomerization of cyclopropane in connpounds I and II, and
the type II split in compound IV. The data from these reactions
together with previously reported results provide the basis for a
coherent evaluation of the relationship between structure and
photoreactivity in the vapor phase at 3130A and 120 degrees of the
two series of closely related aliphatic and cyclic ketones which
possess cyclopropyl and double bonds, respectively, in the alpha,
beta and gamma positions to the carbonyl group. (Authors)
abstract, modified)
07806
Alley, C.
A BENCH SCALE REACTION SISTEf! 70S MEASURING ATMOSPHERIC SMOG
POTENTIAL- Preprint, Clemson Univ., S« C., Chemical Engineering
Sept., <(10p»)), 1966. (Presented at the 21st Annual Instrument
Society of America Conference 6 Exhibit, Mew York City, Oct* 2#-27,
1966, Paper Np„ 11.3-1-66.)
Photochemical smog results when the atmosphere contains certain
hydrocarbons and oxides off nitrogen and is irradiated under
M. Basic Scleras and Technology
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favorable conditions of temperature and humidity* If smog control
efforts are to be successful, the complex series of reactions by
which snog is produced oust be completely understood from a
standpoint of reaction mechanism and kinetics. This paper
describes a bench scale photo-chemical reaction system for
simulating the processes occurring when a polluted atmosphere is
irradiated by sun light. The flexibility of the system as well as
the capabilities and limitations of several existing pollutant
monitoring devices are discussed.. (Author) s abstract)
07866
Cohen, Saul G.
EFFECTS OF MEBCAPTANS AND DISULFIDES ON PH0T0CHEHICA1 AND HIGH
ENERGY BADIATION INEUCED REACTIONS. Brandeis Univ., Waltham, Mass.,
Dept.. of Chemistry, Contract No. AT (30-1) 2499, 19p., Nov. 1, 1966.
CFSTI: NYO 2499-20
The nature of photochemical and radiation induced reactions and of
their retardation and inhibition fcy mercaptans were studied. The
proposed mechanism of inhibition of photochemical and radiation
induced reactions by mercaptans involves rapid transfer of hydrogen
atom from mercaptan to an intermediate radical and from an
intermediate radical to thiyl radical. In the benzophenone-2-
propanol system the intermediate radicals, (CeK5)2COH I and
.(CH3)2COH II are reconverted tc the starting materials,
benzophenone and 2-propanol respectively, inhibition resulting.
This mechanism would require that if these radicals I and II were
formed from benznydrol and acetone they would still be converted by
the sulfur compounds to benzophenone and 2-propanol. inhibition
would not results but the system would be transformed. This has
been demonstrated confirming the mechanism of action of sulfur
compounds. Additional experiments have been carried out on the
photoreduction of aminobenzophenones in acidic aqueous 2-propanol«
Photoreduction at 313 micron of p-dimethylaminobenzophenone in
111 2-propanol-water, 6N in HCL, leads to the pinacol
with quantum yield of about 0„3 Photoreduction of U-
benzoylphenyltrimethylammonium chloride at 313 m micron in 1:1 2-
propanol-water leads to the Finacol- with quantum yield of 0.64..
other water soluble ketones are being studied. Preliminary
experiments indicate that a tertiary amine is an excellent
photoreducing agent for 4-benzoylbenzoic acid in aqueous medium,
although the tertiary amine is not very effective in photoreduction
of benzophenone in benzene.
07883
levy, Arthur, E. L« Merrynan, and T. Beid
MECHANISMS Of FORMATION OF SDtFCF OXIDES IN COBBDSTION. Preprint,
Battelle Memorial Inst.. Columbus, Ohio, (("2))p., ((1967)).
43 refs. (Presented at the symposium on Air Pollution Control
Through Applied Combustion Science, 16th Annual meeting,
American Inst, of Chemical Engineers, New York City, Nov,
26-30, 1967.)
1180
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
The chemistry of sulfur oxidation processes is reviewed with
respect to the kinetics and mechanisms of the various processes
involved* Oxidation processes examined are those for sulfur,
hydrogen sulfide, carbon disulfide, methyl sulfide, and methyl
nercaptan. Detailed examination of the kinetics and mechanism of
oxidation of hydrogen sulfide is made based on slow reaction, fast
{explosion) reaction, flash photolysis, and flame microstructure
studies of hydrogen sulfide-oxygen systems. Special attention is
given to the role of the lcwer oxides, SO and S20, in developing
the mechanisms of S02 formation. The interaction of S02 in hydrogen-
oxygen explosions and in flame processes and the homogeneous
formation of S03 in flames via the removal of oxygen by S02 are
also reviewed. The slow, pre-explosion reactions of H2S and 02
appear to suggest a process whereby the partial oxidation product
SO is produced. This is substantiated in part by the energetics of
various pre-explosion studies and by some of the flame kinetics-
On the other hand, the role of so or S2o has not been substantiated
in an unqualified manner by any of the investigations to date.
Therefore it cannot be stated with certainty whether only one or
both species are the precursors to S02 formation. Understanding
the oxidation of the organic sulfur compounds, such as the
mercaptans and the sulfides, is sketchy. Different mechanisms are
suggested, but the evidence is still fragmentary, he homogeneous 0-
atom oxidation of S02 in combustion appears to be well-affired.
New laboratory tools, fresh experimental approaches, and inventive
thinking will all lead to an even better understanding of the
complicated fashion in which sulfur reacts with oxygen.
08056
K. H. Homann
CARBON FORMATION IS PHEMIXIE UftHES* Combust. Yla»e,
11(4):265-286, Aug. 1967. 48 refs.
Certain aspects of gas phase carbon formation in premixed flames
are reviewed with the object of stimulating discussion and future
work in the field. Among the experimental facts discussed are
the appearance of fuel-rich flames, limits of carbon formation,
temperature dependence of the limit of carbon formation,
pressure dependence of the formation limit and the yield of carbon,
hydrocarbon intermediates, reaction products from the pyrolysis
of acetylene and benzene, particle formation and growth. There
follows a discussion of the route of carbon formation with further
comments on the influence of additives and electric fields,
(Author*s abstract, modified)14
08105
B. S. Juvet, Jr.. R. t. Tanner, 0. C. T« Tsao
PHOT0LYTIC DEGRADATION AS A MEANS OF ORGANIC STRUCTURAL
DETERMINATION.. J„ Gas Chromatog., 5(1)-:15-21, Jan. 1967.
15 refs..
Difficulty reported by many authors obtaining reproducible results
M. Basic Science and Technology
-------
in intec-laboratory studies using the pyrolysis-gas chromatographic
technique prompted an investigation of other, more reproducible,
methods of sample decomposition* The method chosen was mercury-
sensitized photolytic decomposition because of the
simplicity of the experimental technique, the simplicity of the
fragmentation patterns, the predictability of the decomposition
products, and the availability of ultraviolet light sources
in many well-equipped laboratories. This proved to be a
particularly fortunate choice since, not only are results
highly reproducible, but Frel*n,inary work led to the discovery
that functional groups present in a sample may be identified by
characteristic constants related to the retention of certain
irradiation product peaks called homologous peaks and common peaks,
eliminating the need for identification of the decomposition
products in evaluating the structure of the sample. In this
paper, the procedure is discussed in detail and the decomposition
product retention parameters are tabulated for aldehydes,
ketones, alcohols, esters, and ethers., (Authors' abstract) ##
08254
Harkness, C.. and F„ E» Murray
HEACTION BETWEEN BETHYL SULFIDE JKD CXYGEN IN A STATIC SYSTEH.
Atnos Environ., 1 ft) :U 91-U97, July 1967* 3 refs.,
Methyl sulfide and oxygen react explosively at temperatures as
low as 210 Cn At 195 C the non-explosive reaction exhibits an
initiation stage and a main stage. The rate of the main stage as
determined from pressure-time curves is linearly dependent on
initial oxygen pressure but substantially independent on initial
methyl sulfide pressure.. The extent of the initiation stage is
reduced by increase in the oxygen pressure. The chief oxidation
products are sulfur dioxide and carbon monoxide. Even with an
excess of oxygen not all methyl sulfide reacts. (Authors"
abstract)##
08353
Hoare, E» E.. and o. A. Hhytock
PHOTQ-CXIBATIOH OP DIETHYL KETONE VAPOR. Can.. 0. Chenu
'(Cttawa), Vol- 45, p„ 28U1-28J45, 1967. 9 refs.
Results from studies of the photo-oxidation of diethyl ketone are
reported. Quantum yields of the products of the reaction of
diethyl ketone when photclyzed in the presence of oxygen with
eight of 3130A were studied as a function of time at 150 and 100
C. The reaction products were mostly the same as those from the
photo-oxidation of methyl ethyl ketone, in addition, propionic
acid and ethylene were products at 150 and 100 c, while trace
amounts of acetone and methyl ethyl ketone were detected at 150 C„
The variety of the reaction products and the absolute values of
their quantum yields indicate that the reaction is a complex chain
reaction of short length. The primary photolysis split is well
established.. The chain reacticn must be caused by hydrogen
abstraction from the ketone molecule by a radical during which
two types of 3-Fentanonyl radical say be formed.##
1182
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
08558
Hamming, Walter J*
PHOTOCHEMICAL REACTIVITY OF SOLVENTS. S.A.E. (Soc. Automotive
Engrs.), Preprint 670809, lUp. , 1967,, 5 refs. (Presented at the
Aeronautic & Space Engineering and Manufacturing Meeting, los
Angeles, Calif., Oct. 2-6, 1967.,)
Evaluative studies of relative photochemical reactivities of
various organic solvents for purposes of emission control are
reported. Solvents include olefins, xylenes and other arooatics of
comparable weight, toluene, branched ketones, tri- and
tetrachloroethylene; benzene, and saturated halogenated
hydrocarbons. Criteria used to judge relative photochemical
reactivity were mainly eye irritation and ozone formation. Initial
judgments based on these standards were also invluenced by aerosol
formation, aldehyde production, and effect of test substances on
rate of conversion of NO to H02* The results of the entire study
show clearly that xylene is more reactive than toluene and some
olefins. However, the latter, as a group, appear to have the
greatest photochemical reactivity of all hydrocarbon types. Normal
ketones,, such as methyl ethyl ketone, are slightly reactive, but
branched ketones, such as methyl isotutyl ketone, are somewhat more
reactive than their normal isomers. Chlorinated ethylenes, except
perchloroethylene, appear to be photochemically active to a degree
roughly comparable with branched ketones and toluene. Alcohols and
aldehydes are less reactive than toluene; and branched
hydrocarbons, cyclic paraffins, and normal paraffins, still less
so* Benzene, perchloroethylene, saturated halogenate hydrocarbons
and acetone appear virtually unreactive. The results of this study
clearly demonstrated that both the guantity of organic solvent
emissions in los Angeles County and their overall photochemical
reactivity were such that a reduction was necessary. The results of
the studies were utilized to construct Bule 66 for the control of
organic solvent emissions in Loe Angeles County.
08572
Sunavala, P- P.
COMPUTATIONS ON INCOMPLETE COMBUSTION J. Mines, Metals Fuels
(Calcutta), 15(8) :2a2-2«
-------
balances method employs the development of equations for carbon,
hydrogen, oxygen, and nitrogen balances in the fuel gas and the
flue gases in teras of the unknown parameters which can be
evaluated. The ratio of nm to the third power blast furnace gas to
no to the third power coke oven gas in mixed gas practice can be
calculated. Pro the straight combustion of any fuel gas, relations
obtained, depending on the carbon, hydrogen and oxygen, as veil as
the carbon and nitrogen balances, ar e given. Equations are
provided for the air/fuel and flue and flue gas/fuel gas ratio by
volume, if the hydrogen, oxygen and nitrogen balances are employed.
CS62Q
Schumann, G.
INVESTIGATI08 OF BACIOACTIVE AEROSOIS„ (Unterschungen an
radioaktiven Aerosolen.)
Text in German. Chen. Ingr. Tech. (Veinheim), 39(16):966~971,
Aug. 25, 1967. 21 refs.
The mathematical relationships involved in the accumulation of
radioactive atoms and ions on atmospheric aerosols were derived as
a function of their particle size. These calculations should also
be useful for non-radioactive atoms and ions of similar particle
size. As an expansion of the experiments the accumulation of
polydispersive room and free air aerosols was examined. A Goetz
aerosol spectrometer was used fot this purpose. The measurements
presented difficulties not encountered with the monodispersive
aerosols.
08623
Gentry, J. and J. B. Brock
UNIPOLAB DIFFUSION CHARGING OP SJIALI AEPOSOl PAPTICIES. J. Cheou
Phys.., 47 (1) ;64-69, July 1, 1967.
A theory for unipolar diffusion chargin of snail aerosol
particles is developed for the ftee-molecule and transition
regions.. The free-molecule theory is, of course, exact within the
restrictions imposed on the physical system. The theory for the
transition regions is based on the Knudsen iteration solution of a
relaxation model of the Boltzmann equation, insufficient
experimental data are available to permit detailed comparison with
the developed theories. (Authors# abstract}
086145
Lichtenstein, Stanley
INSIDE AIH POIIDTIOH—THE VIEW fFCH SBS. Ind. Heating, 34(7): 1250,
1252, 1254, 1258, 1260, July 1967. Also: Air Eng., 9(11):12-15,
Nov. 1967«
Investigations by U.S. Bureau of Standards are finding out what
1184
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
happens to estimated total of 140 million tons of pollutants fed
into atmosphere annually by motor vehicles, industry, power plants,
space heating and refuse disposals. Various methods used in
studies of air pollution are discussed. Several scientific teams
Baking important contributions to air pollution are listed.
08700
Albright, Lyle F.
COMMERCIAL VAPOB PHASE PROCESSES FOE PABTIAL OXIDATION OF LIGHT
PABAFFINS. Chem. Eng., 74 (17):165-171, Aug. 14, 1967. 18 refs.
Reactors for the manufacture of oxygenated compounds operate
adiabatically - and, for sense processes, nonisothermally, while in
others isothermmally. The operating characteristics for these
processes; the methods of reacting, separating, recovering, and
recycling the various feed, product and byproduct streams;
important features in the design and operation of nonisothermal and
isothermal reactor systems are discussed.
08705
Kolsaker, P., and P. S. Bailey
OZONATION OF COMPOUNDS OF THE TlfPB AR-CH=CH-G; OZONATION IN METH-
ANOL. Acta Chem. Scand., 21(2):537-546, 1967.
The ozonation of some substituted cinnanic esters and acids and of
p-propenyl anisole was carried out in methanol at - 78 deg. and the
resulting solutions were subjected to decompositions under neutral,
acid, and basic conditions. The yields of decomposition products
indicate that a reaction between the initially formed methoxy hydro
peroxides and aldehydes takes (lace to some extent prior to the
decomposition. The yield of phenols follows the order migratory
aptitudes generally accepted. Acid decomposition gave the highest
yield of phenols. Easic decomposition gave only the normal
cleavage products, viz. acids and aldehydes. Decomposition paths
are discussed. (Author Abstract)
08717
Christian, Larry 0.
RADAR CROSS SECTIONS FOB TOTALLY REFLECTING SPHERES.
Atmospheric Sciences Lab., Hhite Sands Missile Range,
N. Hex., Task 1Vo250016Al26, FCCK-5142, 25p., Aug.
1967, 5 refs.
CFSTI, DDC: AD 659327
The backscatter efficiency factors (radar cross section divided
ty geometrical cross section) for totally reflecting spheres have
been calculated using exact Hie theory. The results are
M. Basic Science and Technology
-------
presented both in tabular and graphical form for the size parameter
(circufference of sphere divided by wavelength of incident
radiation! range from 0.01 to 19.95 in increments of 0»01„
Comparison between these theoretical calculations and experimental
neasuremefits shows very close agreement (less than or egual to
H.iJ* difference) in five of seven cases. (Author's abstract}##
08B27
Wei, Kei, Jean-Claude Hani, and J„ U. Pitts, Jr.
THE FGBBVriCH OF POLYENIC EIALBIFYDES IH THE PHOTOOXIDATIOH 01
PURE 1IQ0ID BENZEN. J. An. Cheat. Soc. , 89 {16) : H225-4227,
Aug. 2, 1967. 1U refs..
The photooxidation of dty» liquid benzene, has been investigated
and among the several products that were formed, two polyenic
dialdehydes; trans, trans-2«4-hexadienedial (aucondialdehyde, 1}
and 2,4,6,8,10-dodecapentaenedial, IZ, were isolated.
Onfiltered radiation frcs a medium-pressure mercury lamp was used
to irradiate at rooi temperature pure, dry, liguid benzene through
which oxygen vis continuously bubbled. The irradiated benzene was
chromatographed twice on silica gel, giving three fractions. The
first fraction eluted with an 80:20 pentane-ether solution,
contained nucondialdehyde (I). The second fraction, eluted with
a 70:30 pentane-ether solution, contained dialdehyde II.
Infrared, ultraviolet, and mr techniques were used to determine
the physical and spectroscopic properties of I and 11.
Confirmatory evidence was obtained by aass spectrometry and by
microhydrogenation which, in the case of II, yielded a product
identical with an authentic sample of 1,12-dodecanediol« The
physical and spectroscopic properties of the products,
specifically infrared spectrum comparisons, confirm the all-trans
configurations for both compounds. Results suggest that benzene
ring opening by oxygen may alsc be involved*##
C8829
Simonaitis, R.,, G.. B. cowell and J« Pitts, Jr.
PWOTOSEDOCTIOH OP CYCIOPBNTA NOSE AND CYCLOHBXANOME. Tetrahedron
letters. No. 38:3751-3754, 1967. 10 refs.
Quantitative correlations of structure and reactivity in the
internolecular and intramolecular photoreduction (Type II
process) of ketones are being intensively investigated. A
guantitative comparison of the rates of hydrogen abstraction frcm
isopropyl alcohol by cyclopentancne and cyclohexanone is reported.
The method employed is the guenching with isopropyl alcohol{IPA)
of the isomerization to the unsaturated aldehydes. Results
confirm that most of the isomerization occurs from the triplet
state of both compounds. An eguation is derived from the
reaction mechanism that yields information on the following: (1)
The guantum yield of the aldehyde in the absence of IPA, and in
the presence of IPA, (2) the lifetime of the excited triplet,
and (3} the rate constant for the hydrogen abstraction state.
The results are evaluated and correlated.##
1186
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
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08845
Altshuller, A- P., 5. L„ Kopczynski, V. A. Lonneman,
T. i„ Becker, and D. Wilson
PHOTOOXIDflTIOlf OP PROPYLENE WI1H NITROGEN OXIDB IN THE PHESENCE
CF SOLFOH DIOXIDE- Preprint, Public Health Service,
Cincinnati, Ohio, National Center for Air Pollution Control,
((10))p., J|1967J ) « 13 refs.
The photooxidation of 2 ppm of propylene and 0-5 ppm of nitrogen
oxide vas investigated under dynamic flow conditions with sulfur
dioxide present in the reaction mixtures at concentrations from 0«0
to 1.2 FEB. Application of the statistical *t* test shoved no
significant differences in rates of consumption of propylene and
nitrogen oxide or in yields of oxidant, peroxyacetyl nitrate,
formaldehyde, and acetaldehyde among tests at the various levels of
sulfur dioxide, including zero ppm. Amounts of sulfur dioxide
consuned in the reactions ranged from 25 to 60ft* Although a
sulfur balance was not obtained# appreciable amounts of sulfate
were measured as a product of the oxidation of the sulfur dioxide*
On the basis of previous investigations* the sulfate is believed
to be present as sulfuric acid aerosol. These results suggest
that appreciable levels of oxidant may occur in urban atmospheres
even when high concentrations of sulfur dioxide are present.
(Authors* abstract)it
08877
Hess, I.. 0. and J. N. Pitts, Jr.
STRUCTURE AND REACTIVITY IS THIS VAFCB-PHASE PHOTOLYSIS OF
KETONES,. IV„ CICLOPROPYL AND OLEFINIC CYCLIC KETONES.,
J. Am. Chea. Soc., 89(9) : 1973-1979, April 26, 1967. 32 refs,.
Vapor-phase irradiation of bicyclo((3.1»0))hexan-3-one (I) and
3-cyclopentenone (III) at 3130 and 2380-2654 A results in the
formation of carbon monoxide and hydrocarbon products with high
quantum efficiencies, phi (sub CO) eguals 0..77 and 0.87 for I
and II, respectively# under a variety of experimental
conditions. The hydrocarbon products from I and 1,4-pentadiene
(major)r vinylcyclopropane, and 1,3-butadiene, while III gives
almost exclusively butadiene (phi (sub CO) eguals 0.88) over a
wide range of temperatures. In contrast, irradiation of
bicyclo | (3.1«0))hexan-2-one (II) and 2-cyclopentenone(IV) under
identical conditions produces only trace amounts of CO and no
detectable hydrocarbons. However, compound II does undergo a
photoinduced rearrangement to form 3-methyl-2-cyclopentenone. The
cyclopropyl and double-bond groups were found to exhibit similar
effects on the modes of photoreactivity of these four cyclic
ketones.. Either of these groups conjugated with the carbonyl
chromophoxe stabilize the ketone, whereas their location in the
homoallylic position greatly facilitates photodecomposition.
(Authors" abstract)##
M. Basic Sconce and Technology
m;
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09030
B. A„ lombos, P. Sauvageau, C. Sandorfy
THE ELECTRONIC SPECTRA OF NOREAI PARAFFIN HYDROCAREONS..
Chen.. Phys. letters (Amsterdam) * Vol. 1, p. U2-U3, Harch-
April 1967. 3 refs..
The far ultraviolet absorption spectra of the normal paraffin
hydrocarbons from CI to C8 were photoelectrically recorded with
a double bean instrument down to 1150 A under 0.2 A
resolution- An attempt is made to interpret the spectra in terms
of Mulliken's united a tea treatment of the excited states
of methane and ethane. (Authors' abstract)##
09031
E. A. Loafcos, P. Sauvageau, C. Sandorfy
THE FAB—ULTRAVIOLET SPECTRA OF BRANCHED CHAIN PARAFFINS.
Chen. Phys. Letters (Amsterdam), Vol. 1, p. 221-223, 1967.
U refs.
CFS1I, DDC: AD 661478
The far ultraviolet spectra of gaseous isobutane, isopentane and
neopentane were measured up to 1150 angstroms. They are compared
to the related nornal isomer in each case. A tentative
interpretation of the spectra i£ given. (Authors* abstract)#*
0903«L
F. B. Page
A STUD* OF THE STABILITY OF GASSCOS NEGATIVE IONS.
(FINAL TECHNICAL REPORT.) Aston Oniv., Birmingham,
England, Dept. of Chemistry, Contract DA-91-591-E0C-3870,
Proj. 2001U50B13B, t(136))p.# Feb. 1967. 15 refs.
CPS1I; AD 82251V
The nodes of formation, occurrence# and in particular the
stability of gaseoufi negative ions was determined by the magnetron
technique. Included is a description of the apparatus used# the
eleventary theory of the method, and a comprehensive list of the
stabilities of ions studied during the past three years.#1
090U6
Sage, E. H.
PARTIAL OXIDATION PRODUCTS FOBBED DURING COUBQSTIOS.
(EIGHTEENTH PROGRESS REPORT: 0UIT 1 TO DECEH'BDR 31, 1967.)
Preprint, California Instu of Tech.., Pasadena, Chemical
Engineering Lab., ({65)) p., 1967., ((21}) refs..
1188
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
The modifications Id the pressure combustor were found to function
satisfactorily and have permitted measurements of both the
perturbations in normal stress and the perturbations in total and
monochromatic optical intensity,, Experimental activities have
been limited primarily to obtaining information concerning the
perturbations in total and monochromatic optical intensities
utilizing air and natural gas as fuel,. Results are presented in
several tables.. To more fully explain the behavior in the
pressure combostor, a set of routine computer programs to permit
the prediction of the composition of the products of reaction for
any mixtures of air and any hydrocarbon was completed.. The
calculations have been carried out for varying rates of heat less
from the combustor. The exit temperature from the combustor Has
computed in this fashion. It was also computed from the rate of
flow of gas through the converging-diverging nozzle at the exit of
the combustor.. Bather good agreement was obtained between these
widely different means of evaluating the exit temperature. The
complicated behavior of the perturbations in normal stress at the
two ends of the combustor is depicted. The behavior depicted can
be explained by the difference in temperature at the two ends of
the combustor and the markedly greater radial temperature
distributions near the exit of the combustor. Furthermore, the
velocity of wave propagation is somewhat different at the same
point in the combustor depending on the direction of propagation as
a result of the local momentum velocity of the gases. A
manuscript derived from the work upon the oscillatory combustion in
the pressure combustor, has been completely reworked. A
significant amount of additional experimental information was
included., The revised manuscript which covers all of the
experimental work that has been completed with the pressure
combustor for the air-natural gas system, is appended..##
09077
ttarneck, Peter and J, 0. Sullivan
BBACTIOHS OP ID OXYGEH ATOMS IV. KIACTIOHS KITH *20, H2
AKr C02. In: International Conference on Photochemistry
Held at Hunches, September 6-9, 1967, Part I, preprints.
ISax-Plank-lnstitut fuer Kohlenforschung, Muelhei» as dec
Ruhr, West Germany, p. 94-112, Sept. 1967. 26 refs.
CFSTI: PB 176466
Ozone quantum yields from mixtures of oxygen with N20, H2 and
C02, photolyzed at 1470 A, are investigated to determine
relative rates of reaction of ID oxygen atoms with the admixed
gases. The data are expressed with respect tc the rate of
reaction with C02 for comparison with similar data obtained by
Cvetanovic from the photolyses cf N2C and BQ2. Order of
magnitude agreement Is observed. (Authors' abstract)*#
09078
Cadle, R. D- and F. E.. GraViek
PHOTOCHEMISTRY OP THE SYSTEM KETBRE-80-H2. In: International
Conference on Photochemistry Held at Munchen, September 6-9,
M. Basic Science and Technology
1189
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1967,Part I, Preprints- Hax-Planck-Institut fuer Kohlenforschung,
Huelheim an der Ruhr, West Germany, p. 113-125, Sept.. 1967.
CFSTI: PE 176166
Nitric oxide has been found tc react rapidly with singlet methylene
produced by the photolysis of ketene and possibly also with excited
Ketene, judging from the ratios ethylene produced/ketene reacted.
The presence of nitric oxide prevented the formation of methane and
ethane when ketene-N0-H2 mixtures were irradiated at room
temperature or 200 C. The products resulting from the presence
of nitric oxide were all of low molecular weight, judging from the
mass spectra. Eight products were separated using gas
chromatography and their mass and infrared spectra determined.
Only one, hydrogen cyanide, was definitely identified- (Authors)
abstract)
09079
K- F. Preston, R. J. Cvetanovic
THE PHOTOOXIDATION OF B0TESE-1 EY NITROGEN DIOXIDE AT SHORT
WAVI-LIHGTHS.. In: International Conference on
Photochemistry Held at Munchen, September 6-9, 1967, Part I,
Preprints., flax-Planck-Institut fuer Kohlenforschung,
fluelheia an der Ruhr, West Germany, p- 166-192« Sept- 1967-
17 refs..
CFSTI: PE 176466
The photooxidation of butene-1 by nitrogen dioxide has been
studied at 2288 A and at longer wavelengths- Frcm the measured
effects of additions of inert and other gases on the product
yields it is concluded that 1D2 oxygen atoms participate in the
photooxidation at 2288 A- Ground state oxygen atoms, produced by
the photodissociation of N02 and possibly by quenching of
C(1D) by the olefin* are also important in the
photooxidatiin at 2286 A, and are believed to give rise to
practically all of the observed yields of the addition porducts,
n-butanal and 1,2 epaxybutane. The indications are that the
reaction of C(1D) with butene-1 at total pressures below one
atmosphere yields very little stabilized addition product.
(Authors" abstract)M
09C80
Peter Borrell, P. Cashmore
THE ONSENSITISED ((SIC)) PHOTOLYSIS OF EUT-1-ENE AT 18U9 A„
In: International Conference on Photochemistry Held at
ftunchen, September 6-9, 1967, Part I, Preprints. Max-
PlanJc-lnstitut fuer Kohlenforschung, Huelheim an der
Ruhr, West Germany, p.. 193-210, Sept. 1967. 16 refs.
CFSTI: PE 176466
On photolysis at 1849 A„ but-1-ene yields 25 hydrocarbon
products and a solid polymer. In order to elucidate the
1190
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
mechanism, the effects of addled gases, time* pressure of reactant
gas and temperature were investigated. A free radical mechanise
is postulated in which there are six primary reactions to
account for the products and their relative yields. The two
major primary reactions are clevage of the C-C and C-H
bonds in the Beta position to the double bond in a 6:1 ratio.
Addition of foreign gases to the system caused a decrease in
the product yield which was shown to be due to guenching of the
reaction- This is attributed to the collisional deactivation
of an excited state intermediate of which the
decomposition lifetine has been estimated to lie within the
values of 2..6 to 6,,4 x 10 to the minus 10th power sec.
(Authors" abstract)#»
09082
Paul Suppan
SOLVES? AMD TEMPERATURE EFFECTS IN THE PHOIOBBDOCTICH OF
KETONES. In: International Conference on Photochemistry
Held at Munchen, September 6-9, 1967, Part XI, Preprints.
Hax-Plank-Institut fuer Kohlenfojcscbung, Kuelheim an der
Buhr, Best Germany, p. 643-658, Sept. 1967. 15 refs.
CFSTI: PB 176466
The dependence of the guantum yield of photoreduction on
solvent polarity and on temperature has been investigated for a
number of substituted aromatic ketones. An interpretation in
terms of the dipole moments in excited states to account for
the solvent effect is discussed. From the temperature effect
it is suggested that the different reactivities of n-pi*, pi-pi*,
and CT states is related to an activation energy. (Author's
abstract)##
09087L
CONCLUSIONS OF THE SYMPOSIUM OB THE PHYSICO-CHEMICAL
TRANSFORMATION SULPHUR COMPOUNDS IK THE ATMOSPHERE ARD THE
FORMATION OF ACID SMOGS, MAINZ/GEBMANY, JUNE 8TH/9TH,
1967. Organisation for Economic Co-operation and Development,
Paris (France) DAS/CSI/67.99, 7 p.. Jab. 17, 1968
The processes of oxidation and transfomaticn of sulphur compounds
in the atmosphere are briefly discussed.. The catalysed oxidation
of so2 in fog droplets or on aerosol particles is one of the
important processes. The controlling factor of S02 oxidation in
fog is the oxidation rate within the droplets which is rather high
in the presence of small amounts of catalyst. Removal of SQ2
by rainout and washout is also rathec efficient. Sources ot
further information on these subjects, as well as on measureptant
methods and air guality data, are mentioned*##
M. Basic Science and Technology
T191
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09172
Pejack, Edwin R-, and Henry 8. TelXoff
EFFECTS OF A TRANSVERSE ELECTRIC FIELD ON THE CHARACTERISTICS
AND HEAT TRANSFER OF A DIFFUSION FLAME. Ohio State Univ„, Re-
search Foundation, Columbus, Contract DA-31-12H-ASO-D-246,
Pro;}. 1364, TR-8, 13Up., Hov. 1967. 52 refs..
CFSTI, DDC: AD 664180
Effects of a transverse electric field on a parallel flow
diffusion flame in a flat combustion chamber were investigated.,
Various mixtures of propane, nitrogen, and air were introduced
separately at the base of an experimental combustion chamber and
burned in a diffusion flame sheet located between flat walls of
the chamber which served as anode and cathode. The electrode
walls were instrumented to measure the local heat transfer rate,
local current density, and pressure. It was found that the
application of a voltage difference across the electrodes moved
ions out of the burning zone and resulted in a current at the
electrode vails. The heat transfer rate near the base of the
flame was considerably increased on the cathode and decreased on
the anode; at positions further from the base of the flame the
electric effect was lessened. Flame distortion was thought to
be caused by electrically induced gas motion derived from a
gradient in current density in the flow direction and by the
onset of an electrically induced flame flickering. An analysis
of the products of combustion revealed that the applied electric
field acted to increase the amount of unbtirnt solid carbon and
decrease the quantities of unburnt fuel and carbon monoxide.
(Authors" abstract)##
09186
P. V., Danckwerts, K. W. Hctfeil
THE ABSORPTION OF CARBON DIOXIDE INTO AQUEOOS AMINE SOLUTIONS AND
THE EFFECTS OF CATALYSIS- Trans. Inst. Chen. Engrs.
(London). 45(1):32-H9r Jan.-Feb. 1967- 46 refs.
fihen carbon dioxide is absorbed by aqueous amine solutions, a
fast reaction leads to the formation of amine carbamate. This is
followed by a slow reaction in the bulk of the liquid, leading
to partial hydrolysis of carbamate to bicarbonate. When
the second reaction is complete the pressure of carbon dioxide is
lover and the concentration of free amine higher. The addition of
a catalyst, such as sodium arsenite, speeds up the second
reaction and may thereby increase the rate of absorption and
the capacity of the absorbent. Calculations are compared with
the results of absorption measurements in a stirred cell.
The agreement is good and indicates that the mechanism
assumed for the absorption process is correct. A catalyst
can substantially increase the rate of absorption ai»4 the
capacity of the solution when the ratio (moles carbon dibxide
absorbed/moles amine initially present) is greater than 1/2.
1T92
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
This night form the basis of an economic industrial process for
carbon dioxide absorption* (Authors" summary)##
C9200
Tipson, P.. S„, A. Cohen,, and A„ J.. Fatiadi
AIF POLLUTION STUDIES., In: Robert Schaffer (ed.)„
Organic Chemistry- July 1966 through June 1967,
National Bureau of Standards, Washington, D. C.,,
SES-TN-427, 11p..» Oct- 1967-
Studies have teen conducted on polycyclic aromatic hydrocarbons
and certain of their oxidation products.. A description is given
here of the detection of impurities in commercial preparations of
polycyclic aromatic hydrocarbons.. The procedures used to
purify these preparations are discussed,. The presence of an
impurity in zone refined anthracene was demonstrated.. Upon
isolation with the use of thin-layer chromatography, carbazole
vas found to be an impurity. Upon re-examination by thin-layer
chromatography two ether impurities Mere discovered- A diner
of anthracene, 9«9:10,IQ-bianthr&cene, vas prepared. Its
ultraviolet and infrared spectra were recorded. In order to
establish specifications cf purity for anthracene as a possible
standard a comparison vas made between three commercial samples
of anthracene: high purity, synthetic and zone-refined. It was
shown that the synthetic anthracene is the purest of the three
samples. Fluorene was similarly studied..##
09267
Doepfcer, F» 0., S.. G.. Lias, and P« Ausloos
PHOTOLYSIS OF CYCLOPENTANE AT 1470, 1236, AND 1048-1067 A.
J. Chen. Phys.„ 46( 11) :4340-4346, June 1, 1967. 23 refs..
The photolysis of cyclopentane has been investigated at
wavelengths of 1470, 1236, and 1048-1067 angstroms* The primary
process, which is the elimination of a hydrogen mole from
cyclopentane, is of major importance at 1470 angstroms but its
quantum yield diminishes at shorter wavelengths where processes
involving c-c cleavage becomes more predominant. The products
formed in the gas-phase photolysis of cyclo-C5-DlO-B2S
mixtures and in the solid-phase photolysis of cyelo-C5H10
indicate that the excited cyclopentane molecule undergoes ring"
opening to form a 1-pentane molecule- is the gas phase, the
internally excited 1-pentane decomposes to form methyl and ethyl
radicals. At 1048-1067 angstroms, ionization is extensive, on
the basis of an isotopic analysis of the propane formed in the
photoionization of C5D10-C5H10-O2 mixtures the pattern of the
dissociation of the parent ion is determined, fragmentation of
the parent ion diminishes with an increase in pressure. The
collisional deactivation process is more pronounced for the
M. Basic Science and Technology
1593
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perdeuterated than for the Fe*Frct0Jiated cyclopentane ion.. The
data also indicate that a fraction of the parent ions undergoes
ring opening to for» cis or trans-2pentene as a final product.
(Authors* Abstract)tt
09398
Georgii, H. and E. Kleinjung
BE1ATI0NS BETWEEN THE CHEMICAL COMPOSITION OF ATMOSPHERIC AESOSOL
PAHTICLES ASD THE CONCENTHATIOH OF NATURAL ICE NUCLEI.. J. Fech.
Atnospheriques, 3 (1):115-156, Oct.-Dec. 1967, 20 refs*
Simultaneous measurements of ice nuclei. Aitken nuclei, and large
particles nere Bade during 1961 at the Taunus observatory on Ht.
Kleiner Fledberg and also in a suburb of Frankfurt, chemical
analyses were nade for several components of the atmospheric
aerosols: SOI, N03, CI, Na, K, Ca, and NH1 ions„ Aitken nuclei, do
not participate in the freezing process in supercooled clouds at
temperatures above -21 deg. C. and the majority of ice nuclei
activated at temperatures above -20 deg„ C. are in the size-range
0.2-2»0 nicron radius. Thus, only large and giant nuclei are
isportant for ice nucleation above -21 deg. C. The authors
conclude that the city of Frankfurt constitutes a very productive
source of large particles and Aitken nuclei, but the nuclei
produced in the polluted atnosphere of the Main valley are
activated only at lov temperatures which are of little interest to
cloud physics. Furthermore, if Aitken nuclei are assumed to
coagulate upon the large particles to cover their surfaces, then a
residence tiae of 10 hrs. in a polluted atmosphere would be
sufficient to contaminate the surfaces of these large particles,
and thus lead to a deactivation of potential ice nuclei.
09037
Sazonov, L. A., and S» V. Artanonov
INVESTIGATION OF THE MBCHANTS* OF THE OXIDATION OF CARBON
MONOXIDE OB LANTHANUM OXIDE- Kinetika i Kataliz, 8 (3) :516-550,
Bay-June 1967,, 6 refs.
The mechanisn of the oxidation of CO on lanthanua oxide in the
temperature region 300-420 degrees was investigated using
radioactive carbon C14* Belov 300 degrees, the reaction
proceeds with an activation energy E1 eguals 3 kcal/mole and is
acconpanied by canplete adsorption of the Co2 formed on the
Surface of the oxide. In the region of 300-100 degrees, the
limiting step is desorption of C02 with an activation energy E2
equals 19 kcal/aole; below 100 degrees, the Halting step is the
rate of cbemisorption with E3 eguals El eguals 3 kcal/mole, it
is believed that the oxidation of CO proceeds through a stage of
formation of a complex of the type C03 with an activation energy
of the dissociation C03 yields C02 plus 0= equal to 10
kcal/aole. (Authors11 abstract) *#
1794
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
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094411
Mueller, R. J. and P. B. Stickney
EVALDATING THE RELIABILITY OF AN ACCELERATED TEST FOR QUALIFYING
CZONE-PROTECTIVE WAXES. (FINAL PROGRESS REPORT.) Battelle
Memorial Inst., Columbus, Ohio, Columbus Labs., Contract
DA-28-043-AMC-00496-|E) , ((43))P»* March 30, 1967.
DDC: AD 824072
The reliability of an accelerated test for qualifying
ozone-protective waxes is evaluated. Thirty waxes were screened
in an accelerated laboratory test using a styrene-butadiene rubber
(SBR) composition to determine their ability to protect against
ozone cracking. Ten waxes were incorporated into SER-jacketed
cable for outdoor exposure tests, the results of which were
correlated with accelerated laboratory tests. The conclusions
reached were: The accelerated ozone test developed is not
adequate for qualifying czone-protective waxes. Mandrel-wrapped
cable is more susceptible to cracking than dumbbell specimens.
In the round-robin progran to evaluate the reproducibility of the
accelerated test among laboratories, good reproducibility was
obtained when the laboratories followed the procedure carefully.
Outdoor exposure tests showed a wide variation, even among
approved waxes, in their ability to protect against cracking.
Correlation between accelerated tests and outdoor exposure was
limited., An accelerated test developed for SBR should be
usable with neoprene or natural rubber with litter oc no
modification.#*
09576
Hisatsune, I. C.
ESTIMATION OF THE ISOHER1ZATIOK BATE OF NITBO0S ACID. J. Phys.
Chem., 72(1):269-271, Jan. 1966. 9 refs.
The rate constant for the unimolecular isomerization of cis -
nitrous acid to the trans acid has been calculated by using the
transitionstate model. The ooe'dinensional potential-energy
function for the barrier to internal rotation of the HO group and
the necessary force constants and structural parameters of the
transition complex were obtained from an earlier infrared study of
isotopic nitrons acids. Quantum correction arising from the
penetration of the potential barrier does not appear to be
important. The isomerization half-life is about three orders of
magnitude shorter than that of the fornation of the acids from NO,
102, and H20* (Author's abstract, modified)
09719
Darwent, B. deB., B. L» Vadlinger, and Mary John Allard
TBI PHOTOCHEMICAL DECOMPOSITION OF HYDROGEN SULFIDE. THE REACTIONS
OF HYDROGEN ATOMS AND HS RAEICALS. J. Phys. Chen*, 71 (7):2346-
2347, June 1967. 10 refs.
M. Basic Science and Technology
-------
The photolysis of H2S as a means of studying the reactions of H
atoms hinges on the assumptions that the H atoms produced by the
photolysis do not contain a significant amount of excess energy and
that the HS radicals disappear without producing H or H2. The
above assumptions have been examined by observing the effect of a
large excess of inert gas
-------
Numerical data on air pollutants are compiled and tabulated foe a
broad range of problems. The effects of pollutants on human
health, plants and livesotck are presented. Characteristics and
chemical composition of the atmosphere and its pollutants are
compiled- Data on emission sources of pollutants and their
distribution at various periods of time in different locales are
presented* Other categories covered are air dispersion of small
organisms* biological effects of gaseous ions, and spacecraft and
nuclear submarine atmospheres.
10027
Hidalgo, Alberto F. and Clyde Orr, Jr.
HCBOGEKEOUS NOCLEATION OF SODIUH CHLORIDE SOLUTIONS., Ind. Eng.
Chen Fundamentals, 7(1) :79-83, Feb. 1968. 14 refs.
Experimental confirmation of the thecry of homogeneous nucleation
for electrolyte solutions is demonstrated by an analysis of the
behavior at 25 deg.C. of an aerosol composed of supersaturated sodiu
chloride solution droplets 0.01 to 0.1 micron in diameter™ (The ter
homogeneous applies to systems devoid of foreign nuclei.) The
humidity of the air with which the aerosol was in equilibrium was
adjusted to attain a series of droplet supersaturation states.
Nucleation and crystallization of the droplets subsequently ensued,
being detected by an ion counter that permitted following the size o
the aerosol particulates as a function of tine at specific relative
humidities. The behavior of the aerosol could be attributed to
homogeneous nucleation because only a small proportion of the
droplets contained foreign nuclei when they were formed on sub
division of the original liquid. The time for nucleation was found
to be a logarithmic function of the electrolyte activity as theory
predicts. (Authors* abstract)
10037
Chia, Vu-sun, Joan Jacobs, and B. H« Sage
OSCILLATORY COMBDSTION AT ATMOSPHERIC PRESSURE K0S0CHR0MATIC AND
TOTAL OPTICAL INTENSITY.{TECHNICAL REPORT.) California Inst. of
Tech., Pasadena, Chemical Engineering Lab., Ms-ft236» 35 p., 1968. 8
refs»
A number of measurements were made upon the perturbations in
monochromatic and optical intensity, in the course of oscillatory
combustion of air and natural gas at atmospheric pressure. These
measurements were obtained as a function of mixture ratio and, to a
more limited extent, of the effect of changing the effective length
of the combustor. As would be expected, the maximum perturbations i
monochromatic intensity corresponded closely to the maximum
perturbations in normal stress. Variations in the length of the
combustor influenced materially the magnitude of the perturbations i
normal stress. These changes in length also caused a similar
fluctuation in the monochromatic intensities which corresponded to
M. Basic Science and Technology
1197
-------
the vave lengths of water and carbon dioxide- At corabustor lengths
corresponding to nonoscillatory combustion, the perturbations in
optical intensity are approximately equal to the standard deviation
of the measurements. This is characteristic of the poison
distribution such as often is experienced in nonoscillatory tuchulen
combustion. {Authors* introduction)
10011
Goetz, Alexander and olgierd J. Klejnot
TRANSFORMATION OF GASEOGS REACTIVE HYDRCCARECNS INTO AEHOCOLLOIDS
01TEAVI01ET IRBAEIATION„ j» Air Pollution Control Assoc., 17
(9) :600-603„ Sept. 1967.,
A substantial variety of hydrocarbons, particularly the reactive
types, can be converted from the gaseous into the aerocolloidal stat
by brief exposure to uv-irradiaticru The procedure for evaluating
the capacity of various hydrocarbons to form aerocolloids, and thus
to define the difference between non-reactive and reactive types, is
illustrated. Two sensoring devices were utilized; an aerosol
photometer and a moving slide impactor. A summary includes these
observations: the aerocclloid formation by ultraviolet exposure is
due to intermediate oxidation states of the molecules vith a high
tendency to polymerize into sub micron particulates™ High humidity
levels increase the reaction rate and thus the aerosol formation.
The characteristic difference between saturated and unsaturated HC
types is the much lesser VO-reactivity of the former. This method
permits the tracing of organic components in the open atmosphere. I
promises to facilitate the sinple and rapid discrimination between
the neutral and potentially reactive HC types.
1Q013
Levy, Authur and Earl L. Rerryaan
SOLTUR-OXIDE POBMATXON IH CAFBOWYI SULFIDE FLAMES. Preprint,
Battelle Memorial Inst., Columbus, Ohio. Columbus Labs.,
(26)p., (1968)« 10 refs„
Oxidation processes in lew pressure (1/10 a*m) carbonyl sulfide
flames are examined. Two distinct reaction zones are noted, first,
zone in which carbon monoxide and sulfur dioxide are formed, and
second, a zone in which the caibcn monoxide oxidation is completed.
Kinetic analysis suggests that the initial step is the abstraction o
a sulfur atom by an oxygen molecule. The rate constant for this
reaction is calculated.
10015
Semeth, Andras and Robert p. Sawyer
THE OVERALL KINETICS OF HIGH TEKEERATURI METHANE OXIDATION IN A
1198
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
FICM REACTOR- California Univ., Berkeley, Division of Ther-
mal Systems, 68-2, 20p», (1968) - 20 refs.
The rate of methane consumption in an oxidation reaction was
Measured in a non-isothermal flow reactor in the temperature range o
1180-1282 deg„ K- The reaction was monitored by mass spectromet-
ry analysis. The following overall rate expression was found va-
lid, however, only for temperatures greater than 1200 deg. K» The
result is in reasonable agreement with data measured by another
method in the high temperature range. (Authors" abstract modified)
10066
Shaw, J. T. and P. D. Green
OXIDATION OF S0IPHDB DIOXIDE 19 AIR AT 950 DIG C:
CO-OPERATIVE INFLUENCES OP CARBON HONOXIDE AND NITRIC OXIDE.
Nature, 211 (5054):1171-1172, Sept. 10, 1966- 8 refs-
The oxidation of sulfur compounds in fuel during composition to
form sulfur dioxide and the further oxidation of this to sulfur
trioxide gives rise to the probles* of corrosion, specifically in
boilers. The part played by oxides of nitrogen and carbon, both
of which occur influe gases frcn normal fuels, and their influence
on the oxidation of sulfur dioxide in a clean system has been
investigate a,. A marked effect on sulfur trioxide production was
found when nitric oxide and carbon monoxide were present together.
The experiment is described.**
10078
Chermack, X. A. t«d.)
SUBHARY 01 THE CONFIBENCE OH THE OPTICAL PROPERTIES OF AEROSOLS,
15-17 OCTOBER 1964, New York Dniv., Bronx, Research Div.,
Contract DA 36-039-AHC-03«H1-
-------
Tex. Dept. of Biology and Biophysical Sciences, 10p.., April
Dept. of Biology and Biophysical Sciences, 10 pu, April 8, 1968. 10
8, 1966. 1 refs.
Both labelled acetate and stearate were found to serve as
precursors for the formation of hydrocarbons in Chlcrella
pyrenoidosa.. Acetate incorporation was inhibited in the dark. Of
particular interest was the observation that the carbon skelton. of
stearic acid could be converted into heptadecane but not into the
predominant monounsaturated C17 hydrocarbon- This study presents th
first evidence that straight- chain fatty acids serve as precursors
for short-chain saturated hydrocarbons. (Authors" abstract}
10129
flurn, S.r Basil Diaitriades, and 8. D. Fleming
EFFECT OF HYDHOCAHEON TYPE OF BEACTIVITY OF EXHAUST GASES. In:
Vehicle Emissions, part II, SAE Progress in Technology Series, Vo.,
12, New York, Society of Automotive Engineers, Inc., 1966, p. 1-9.,
6 refSo (Presented at the Mid-Year Meeting, Society of Automotive
Engineers, Chicago, 111., Kay 1965.)
Unburned hydrocarbons and other products of combustion are
recognized as contributors to photochemical air pollution. The
work reported here was a first approach in finding an expression of
exhaust gas guality—or compositional characteristic—that
would associate directly with the photochemical activity of the
composite sample. Olefins, aroaatics, and partial oxidation
products have been cited as the principal smog precursors in
exhaust gas.. However, results of this study indicate that for the
general case, collective deterainaticn of these classes provides
and unreliable indication of reactivity. The findings are expected
to be useful in further development of methods to measure — or
predict — the air polluting potential of exhaust gas with
increased reliability. (Authors abstract)
10108
6. V. Bozenberg
PHYSICAL FBIKCIFLES OP THE SPEC1FCSC0PI OP IIGHT-SCATTERIBG
SUBSTANCES. (Pizicheskiye csacvy spectroskopii
svetorasseivayushchikh veshchestv.) Text in Russian. Osp.
Piz. Hauk, 91 (4):569-608, April 1967. 123 refs.
The present paper is an expanded version of a lecture
presented to the All-Unicn spectroscopy Conference at Moscow
State University in February 1965. Directed chiefly to'*...
experimentalists untutored in the subtleties of mathematical
theory", it originates in the author's ccsplaint that only a
dozen or so of the hundreds of papers produced annually on the
spectroscopy of light-scattering materials satisfy present-day
methodological requirements. After tracing the reasons for this
failure, he reviews the state of the art under the following
1200
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
headings: general principles of absorption spectroscopy of
optically homogeneous specimens, and the spectral function
of transmission; the spatial and ctructural functions of
transmission for heterogeneous medium without scattering, and
methods of emersion and compression; light propagation in a
scattering medium, and the transfer matrix and its relation to the
parameters of the medium; a general statement of the problem of
spectral analysis of aacroscopically homogeneous light-scattering
bodies; and concrete methods fcr spectroscopy of light-scattering
substances. In the last category, these methods are discussed:
a narrow directional beam; methods based on low-frequency
scattering; spectroanalytic use of measurements of the light
field within a scattering medium; spectroscopy of thick layers
of scattering materials with small specific absorption;
luminescence analysis; and other irethcd£.<#
10422
A. K. Chatterjee, and B. K. Maarumdar
METHYL GROUPS 111 COAL. Fuel, H7 (2);93-102, March 1968.
13 refs.
The contention that methane formed during low temperature
pyrolysis (600 degrees C) owes its origin almost exclusively
to the methyl groups in coal and that such methane formation
(including small proportions of ethane) represents the maximum or
true measure of the methyl content is re-examined in the light
of the pyrolysis behaviour of nitro-coals. Nitration is
believed by the authors to cause selective oxidation of the
methyl groups to carboxyl groups (apart from the introduction of
a considerable proportion of nitro-groups in coal). It has now
been found that such nitro-coals on pyrolysis at 600 degrees C
yield no methane and little cf ether hydrocarbons, but much
carbon dioxide, the volume of which after due
corrections appears to be of a magnitude similar to that of
the methane obtainable by pyrolysis at 600 degrees C of the
corresponding untreated coals. Further, nitro-coals by
reductive decarboxylation followed by thermal decarboxylation
at 350 degrees C for completeness yield a volume of carbon
dioxide virtually egual to that of the methane obtainable
by pyrolysis of the untreated coals. These findings appear to
confirm the authors' previous hypothesis of the origin of methane
during pyrolysis at 600 degrees C, and hence the validity of
assessment from this of the methyl content in coals.*#
10507
Schuetz, Alfred
THE ELECTBICAL CHARGING OF AIBOSOIS. Staub (English translation
27 <12|:21-32, Dec. 1967, 2« refs.
CFSTI: TT 67-51H08/12
The most important charging mechanisms for aerosols and the
magnitude of the electrical charge of an individual particle are
M. Basic Science and Technology
1201
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discussed. Charging by diffusion is solely governed by the thermal
notion of ions in the gas envelope surrounding the particle,
charging by ion bombardment in the electrical field is effected in a
unipolar ionization zone* e.g., in a corona discharge. A further
possibility of particle charging consists in the direct contact of
the particles with electrodes carrying a potential. The charging of
particles can be accomplished by contact-electrical processes,
whereby the magnitude decisive for electrical charging is the contac
potential between the two contacting materials. In the stirring-up
of deposited dust electrical charging is solely effected by the
separation of the contact points between the particles, as well as
between the particles and their support. Atomization of liquids is
discussed as another method for charging dispersed particles
{positive or negative).
10512
sinonaitis, R. and J.. N. Pitts, Jr»
PHOTOCREH1STBY OF GAB A-BUTYRCLACTONE IN THE LIQUID PHASE. Pre-
print California Oni*„, Biverside, Dept. of Chemistry, 18p.,
41965/J
The photolysis of gama-butyrolactone was investigated in the
liquid phase with the 2537A line of a mercury resonance lamp. The
major products were allylfornate, succlnaldehyde, cyclopropane, and
carbon dioxide with quantum yields at 25 deg.. C of the 0.23, 0.06,
0.013 and 0*015, respectively. Prom product quenching data, it is
suggested that triplet-triplet energy transfer from gama
butyrolactone to cls-butene, transbutene, cyclohexene and biacetyl
occurs at a diffusion controlled rate and that the allylformate and
cyclopropane originate from one state, probably a triplet, but that
succxnaldehyde originates from a different state.. Added isopropyl
alcohol quenched the formation of allylformate and cyclopropane, but
acetonitrile as a solvent had no effect on their yields over the
concentration range of 0.3-16.0 moles/liter. An increase in
temperature from 25 deg. C to 98 deg. C increased the yields of
succlnaldehyde and cyclopropane and decreased the yield of
allylfornate, but the sum of the guantum yields of these products
remained relatively constant. (Authors* abstract)
10519
Cowell, Gawin W. and Janes Pitts, Jr.
PHOTOCHEMICAL STUDIES IN RIGID MATRICES. II- A STUDY OF THE
PHOTOCHEMICAL REACTIVITY OF ANTHRACENE IN POLYSTYRENE AND THE
DEVELOPMENT OF AS O-NITFOBENZAIDEBYDE ACTIHOMETEF IN
POLYMETHYLMETHACRYLATE. Preprint, California Univ., Biverside,
Dept. of Chemistry, {19}p., (1967/).
The photochemistry of o-nitrobenzaldehyde and anthracene in rigid
polymer films has been studied at 25 deg. and 3340 and 3660A. o
Nitrobenzaldehyde "dispersed* in polymethylmethacrylate, M.W. <
20,000 plus or minus 3,000, undergoes the well known photo
isomerization to o-nitrosobeazoic, the guantum yield being 0.05 plus
1202
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
or minus 0.06. fiithin experimental error, this is the same as in
fluid solutions and in the pure sold.. In view of the stability and
convenience of this system, its use as an actinometer in the spectra
region 2800-410011 is envisaged. Anthracene "dispersed* in
polystyrene, U.S. < 47,000 plus or minus 4,000, undergoes
photodinerizaticn at a rate ouch reduced fton that in fluid solution
or in a potassium bromide pellet. The nature of the 'dispersion' of
the nathracene in the film differs significantly from its state in
potassium bromide Matrices. In the presence of oxygen, the major
part of the photochemical reaction leads to the formation of the
photooxide of anthracene. Kinetic and mechanistic details are
discussed. (Authors" abstract)
10522
Pratt, David Terry
COMBUSTION OF AHMONIA AMD AID IB A NELL-STIRBED REACTOR,
Thesis (Ph.D), California Univ., Berkeley, Coll. of
Engineering, May 1968, 106p. £2 cefs.
An adiabatic, veil-stirred reactor was used to determine the
over-all chemical reaction rate constants for the near-
homogeneous, gas-phase combustion of ammonia and air. The
overall reaction rate for ammonia-air combustion in a back-mixed
combustion system can be veil represented by an Arrhenius
equation. The experimentally obtained activation energy,
pre-exponential factor, fuel and oxygen reaction orders do not
agree veil vith those reported from earlier investigations.
Such values appear to depend on the pressure, temperature,
reactant concentrations and diluent employed in the various
studies. with aging of the zirconium dioxide reactor vails,
the slov oxidation reaction regime became more evident and
persistent, and slov oxidation data were not reproducible after
a few hours of operation* on the other hand, fast oxidation
conditions were reproducible. This seems to imply clearly that
the wall plays an important role in the slov oxidation
reaction mechanism. The maximum attainable loading, for an inlet
temperature of 400 degrees K, vas 20 times less than maximum
loadings obtained vith hydrocarbon fuels at the same inlet
temperature. Blowout limits can be corrected effectively for
inlet temperatures varying from 300 degrees K to 500 degrees K«~#
10907T
Lunge, G„ and E. Berl
HITROGEH OXIDES ABD TRB IE&C CHABBlB BfiOCESS. II. BIHAVIOR
OF A MIXTUBE OF G1SXS* PBESOMABIY NO t 802, IH C0HCEKT1ATEE
S0LF0BIC ACID ADD soDXOlt HiEFOXiti 1/5 JU | (Ontersuchungen
ueber Stickstoffoxyde und ueber den Bleikammerprozess. II.
Verhalten eines Gasgemisches von der ungefaehren Zusammensetzung
NO ~ H02 gegen konz. Schwefelaaeurt und 1/5-b«
Natronlaoge.)) Translated fro* Geriaiu 2. Angev. Chew.
(Heinheim), 19*19):857-869, Bay 1906*
M. Basic Seism;* and Technology
1203
-------
The behavior of a gas mixture containing NO and N02 in
sulfuric acid and sodium hydroxide was investigated with the result
that for analytical purposes sulfuric acid is the only absorption
liquid for this gas mixture. Also the behavior of nitrogen oxide
in the presence of oxygen and water was studied together with the
kinetics of nitrogen oxide oxidation with oxygen or air. The
kinetic curves indicated that the reaction 2N0+02=H20t takes
place at a constant rate which indicates that the oxidation takes
place directly without foxmaticn of H203 as an intermediate.#f
10S10T
Hautefeuille# P. and 0. Chappuis
PARANITRIC ACID. ((Sur l*acide pernitrigue.)) Translated from
French. Camp. Bend. (Paris), 94:1111-111ll, 1862.
Nitrogen peroxide formed when czcne is prepared by electric
discharge in dry air was further investigated. The rate at which
the peroxide is formed was studied by spectroscope. Also its
conversion into another cxide was studied by pressure measurements*
The present article published in 1882 has historical significance
and deals with the formation of nitrogen oxides by electrical
discharge.##
1091IT
BodensteiD, W.
THE SATE 07 THE REACH OH BETtiEES NITRIC OXIDE ABD OXTGEH.
(Die Geschwindigkeit der Beakticn zwischen stickoxyd und
Sauerstoff.) Translated from German. Elektrochem. angev.
physik. Chemie (Reinheim), 24 (13/14):183-201, July 1, 1918. 30
refs.
The oxidation of nitric oxide with oxygen was studied kinetically
fcy pressure recordings at temperatures from 0 to 90 degree C.
The reaction took place Bearding to the third order process 2N0
+ 02 = 2V02. The rate was independent of N02, H20 and
S02 admixtures. The experiments proved that Raschig was
incorrect when he assumed that BO is first rapidly oxidized to
K203 which is then slowly converted to N02.##
1C912T
Bodenstein, Rax
THE SPEED OF THE COHBINATIOB OF HITRIC OXIDE AHD 0XTGEN. ((Die
Geschwindigkeit der Vereiningung von Stickoxyd und sauerstoff.)
stoff.)) Z. angev. Chen. (Heinhein), 31:145-148, July 30, 1918.
The reaction rate of nitric oxide with oxygen was determined by
batch experiments. The conversion rate was determined from the
measured pressure change. Experiments were also made to
1204
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
elucidate possible side reactions and catalytic effects. The
result of the stud; indicates that the reaction takes place
according to the trimolecular equation 2 NO + 02 = 2 N02 and
not as suggested by Bascbig by a twc stage reaction with N203
as an intermediate.##
1C913I
Bodenstein, flax
FORMATION AND DECOMPOSITION 01 1HE HIGHER OXIDES OF HITBCGEN.
((Bildung und Zersetzung der hoheren Stickoxyde.)) Translated
from German. Z. Physik. Chen. (Ieipzig), 99:68-123, 1922.
19 refs.
The formation and decomposition of higher nitrogen oxides was
studied by determining the equilibrium constants of the reactions
2N02 yields N204 in the temperature range of 9-115 degree c
and 2N02 yields 2H0 + 02 in the range of 220-550 degree C.
Expressions for the logarithm of the equilibrium constants as a
function of temperature were obtained. Also the rate constants of
the reaction 2N0 + 02 - 2HC2 was determined in the temperature
range of 14C-39G degree C. Beaction mechanisms are discussed.it
10917T
Gevitz, H. So and «• Volker
INHIBITION OF PHOTOSYNTHESIS BY CARBON MONOXIDE AND SUSPENSION
OP THE CARBON MONOXIDE INHIEITION BX LIGHT. (Hemmung der
Photosynthese durch Kohlenozyd und Aoghebung der
Kohlenoxydhemmung durch Licht„) (Translated from German).
Naturforsch,, (Tuebingen), 18b:6H9-653, Aug., 1963» 5 refs.
Experiments with chlcrella pyienoidosa in an atmosphere of
C02-argon and CC2-C0 were made to study the inhibition of
photosynthesis by carbon monoxide.. It was found that cells
grcwn in light show inhibition of photosynthesis by carbon
monoxide,. Inhibition is reversible and depends on the CO and
02 partial pressures. Also the effect of the spectral
characteristics of light on the inhibition of photosynthesis was
studied. The experiments indicated that in photosythesis an
enzyme is involved which has an effective group containing iron.
This enzyme transports oxygen in photosynthesis. Carbon monoxide
inhibits photosynthesis by binding the iron in the enzyme. The
absorption spectrum of the carbon of the photosynthesis was
determined* The carbon monoxide compound can be split by light
and thus inhibition is stopped.*#
11050
E. F, Stephens
CHEHISTR* OF AT80SPHEB1C OXIDANTS. Preprint, California
M. Basic Science and Technology
1205
-------
Dniv., Riverside, Statewide Air Pollution Research Center,
12p., 1968. 15 ref£. (Presented at the 61st Annual Heeting of
the Air Pollution Control Association, St. Paul, Minnesota,
June 23-27, 1968, Paper 68-57.)
All of the important oxidants in polluted air are formed there by
chemical reactions which occur among the primary pollutants.
The most abundant of these oxidants is ozone which is formed in a
cycle involving nitric oxide, nitrogen dioxide, atmospheric oxygen,
and hydrocarbons. This czone is test understood, not as a
reaction product, but as an intermediate in steady state
concentration between formation and disappearance reactions.
Hydrocarbons permit accusulaticn of ozone by reacting to
scavenge the nitric oxide which would otherwise remove the ozone.
The amount of ozone which can be formed in ambient polluted air is
limited to about one ppm because these scavenging reactions
become less effective when the nitric oxide concentration
becomes very small. The peroxyacl nitrates are a group of
oxidants which result frcm reactions between oxides of nitrogen
and organic pollutants. Olefinic and aromatic hydrocarbons make
the largest contribution to PAN formation; saturates
contribute little if any. the role of nitrogen dioxide and other
oxidizing agents is also discussed. (Author's abstract)##
111J47
Fatiada, A. J.
PERIODIC ACID, A NOVEL OXIDANT OF PCLYCYCIIC, AROMATIC HYDROCAR-
BONS. J. Res. Nat. Bur. Std. A, 72A {<») :341-350, July-
Aug. 1968.
Certain polycyclic, aromatic hydrocarbons can be oxidized with
periodic acid in aprotic solvents containing a small proportion of
water. A unique, two-fold character of response to periodic acid by
these hydrocarbons has been found: (1) production of a coupling
reaction through a radical intermediate ((conversion of pyrene into
1,1'.bipyrene, and fluorene into 1,2-bis (2,2'-biphenylylene
ethylene)) or (2) conversion into guinones by a two-equivalent
oxidation mechanism that does net involve a radical
intermediate {(acenaphthenem andtracen, anthrone,
benz((a)) anthracene, naphthalene, and phenanthrene)). Little or
no reaction was observed when oxidation was attempted with sodium
metaperiodate instead of periodic acid. Electron-spin rescnance
revealed no radical intermediate in the oxidation of malonic acid
with either periodic acid or sodium periodate. (Author's abstract)
11188
Hindsor, N* V *, and 0. B. Novak
STUDIES Of RADIATIONLESS TRANSITIONS IN CORCNEHE USING NANOSECOND
IASER FH010L1SIS AND SPECTFCSCCFI. Preprint, TRW Systems,
Bedondo Beach, Calif. Chemical Sciences Dept.,(18)p., 1968.
20 refs. (Presented at the International Conference on Molecu-
lar Luminescene Loyola Dniv., Chicago, 111.,Aug. 20-23,1968.)
CFSTI: AD 672997
1206
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Be have used the technique cf nanosecond laser photolysis and
spectros g spectroscopy to observe absorption from both the lowest
excited singlet state SI, and the lowest triplet state II, of
coronene. The technigue employs a Q-switched ruby laser to produce
both a 30 usee pulse at 347 nm for excitation, plus, at the same
tine, a laser-induced spark which provides a background continuum
for absorption spectroscopy. Tine-resolved spectra are obtained
with an image converter camera. tie have observed new transient
absorption bands for coronene at 520 and 380 no and attribute these
to absorption by the Si state. The new bands locate previously
unobserved higher singlet level cf g parity* These bands decay over
a period of several hundred nanoseconds and are concomitantly
replaced by absorption bands characteristic of the lowest triplet
state, thus providing a pictoral record of the process of
intersystem crossing. He have alsc obtained the T-T absorption
spectrum of coronene in epoxy plastic out to 1.14 microns using a
doutle-beam cross-irradiation technique. New maxima in the infra-
red serve to locate th energies of three low-lying excited triple
levels. From the energy level data we believe that in coronene
intersystem crossing from higher singlet states to the triplet
manifold may occur, tie discuss how our kinetic observations of the
decay of the lowest excited singlet and the build-up of the lowest
triplet state bear on a recently proposed stationary state model of
radiationless transitions. {Authors* abstract)
11205
liu, Benjamin Y. H.
RECENT AEROSOL RESEARCH - UNIVERSITY OP MINNESOTA PARTICLE
TECHNOLOGY LABORATORY. Preprint, Minnesota Vniv.,
Minneapolis, Particle Technology Lab., ((12))p., 1968. ((23))
refs„ (Presented at the 61st Annual Meeting of the Air
Pollution Control Association, St. Paul, Minn», June 23-28,
1968, paper 126„)
A summary of research studies on methods for the generation,
measurement and sampling of aerosols is presented. Theoretical
and experimental research of the electrical charging of aerosol
particles by gas ions, the size distribution of atmospheric
aerosols, aerosol formation in high-temperature plasmas and from
molten metal, and the basic properties of chain aggregate smoke
particles are discussed.##
11210
Miller, William J.
FLAME IONIZATION AND C0HBDSTI01 INHIBITION. (TECHNICAL REPORT
RC. 1.) Aerocheu Research Labs, t Inc. , Princeton, N.J*
CST-102, TP-151, 23p«, Jan- 17 refs-
The inhibition of spherically symmetrical low-pressure CHI or
C2H2/02 diffusion flames by a variety of additives has been
studied. The relative efficiencies of the compounds studied have
M; Basle Science and Technology
1207
-------
been found to be very nearly the sane as in 1-atm flames. A
detailed examination of the effects of CC14, Fe(C0)5, and
Cr02Cl2 upon ion content and emission spectra has been made and
the results interpreted in terras of previously postulated
correlations between the ability of a given compound to reduce
electron concentrations and its effectiveness as a flame inhibitor.
No such correlation was found to exist and it has been concluded
that for these flames no causal relationship exists between the
two phenomena. The relatively large inhibition efficiencies of
Fe(C0)5 and CR02C12 are attributed to in situ ultrafine
particle formation downstream of the flame front and their
subsequent diffusion into the reaction zone. The formation of
these particles is indicated by icn profiles of nucleating species;
the presence of the particles in the reaction zones of inhibited
flames is further evidenced by the emission of continuum radiation.
The dominance of diffusional over convective mass transport is the
characteristic of the system which accounts for its susceptibility
inhibition by these compounds.. (Author's summary)#*
11239
S. Susan, 0. H. Slater, and J. G. Calvert
THE 2H0T0CHEMSTBY OF THE A30AIKANES. Preprint, Ohio State
[Jniv», Columbus, Evans Chemical lab., ((29))p., ((1968))„
((34)) refs.
The photochemistry of the azoalkanes has been the subject of many
studies in several laboratories. The major interest developed
because of their attractiveness as free radical sources. The
first absorption band lies in the accessible near ultraviolet, and
in the gas phases a large fraction of the light~absorbing molecules
decompose to form free radicals. In the gas phase photolysis
of azoalkanes of higher complexity, a significant fraction of the
light-excited molecules do not decompose# but are stabilized by a
second order kinetic process which is often termed "collisional
deactivation". A description of the photochemistry of 1, 1fl-
azoisobutane is given. A kinetic study of the products of the
gas phase photolysis of 1,1*azoisobutane is presented.##
11243
Bobert D„ HcCuigg, and Jack 6. Calvert
THE PHOTODBCOHPOSITION OF CH20, CD20, CHDO, AND CH20-CD20
11IITUHES AT XENON FLASH LA BP INTENSITIES. Preprint, Ohio
State Oniv., Columbus, Ohio, Evans Chemical lab., ((33))p.,
1965. (Presented at the 149th fleeting, American Chemical
Society, Symposium on Structure and Photochemistry of
Excited States, Detroit, Mich., April 1965.)
The volume and composition of the gaseous products of the
photolyses of the pure formaldehydes, CH20, CD20, and CHDO,
and mixtures CB20 and C820, were determined in experiments
at various xenon flash lamp intensities, pressures of aldehyde.
1208
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
temperatures, and at selected wavelength regions of the aldehyde
absorption. The only products of the formaldehyde photolysis
detected in these experiments were carbon monoxide and
hydrogen. The average value of the ratio of the total hydrogen
-------
A study has been made of the photooxidation of 1,1'azoiscbutane
in experiments at 3660 A and full mercury arc and at temperatures
fro# 308 to H05 degrees K. The data prove the unimportance of
energy transfer and singlet oxygen involvement for this
system. The rates of products and their quantum yields are
consistent with a mechanism involving the reactions of the
isobutyl free radical with oxygen- The product distribution
suggests that the isobutylperoxyl and/or isobutoxyl free radicals
are unstable toward a decomposition reaction even at 308
degrees K for our conditions (Authors* abstract)##
11249
T. Naveneeth Rao, Susan S. Collier, and Jack G. Calvert
PBIttABY PHOTOPHYSICAL PB0CESS2S IS THE FHOTOCEHISTRY OP 50LFU8
DIOXIDE AT 2875 A. Preprint, Ohio State Univ., Columbus,
Evans Chemical lab., ((25})p«, 1968- 16 refs. (Presented at the
156th National American Chemical Society Meeting, Atlantic
City, K. J., Sept. 1968„)
The quantum yields of fluorescence and phosphorescence of sulfur
dioxide excited by 2875 A radiation and the guantum yields of
S02-sensiti2ed biacetyl phosphorescence have been measured in
pure sulfur dioxide and in its mixtures with small amounts of
biacetyl. From the variation of functions of these quantum
yields with varied experimental parameters and the previously
published lifetime data for singlet and triplet sulfur dioxide
molecules, values of the rate constants (in 1-mole-sec units) for
all of the individual primary photophysical processes in sulfur
dioxide photolysis have been determined" (Authors* abstract
modified)**
11279
Jaffe, sigmund and Fritz s. Klein
ISOTOPIC EXCHANGE BEACTIONS OF ATOMIC OXYGEN PFODtJCED BY THE
PHOTOIYSIS OF N02 AT 3660 A. Trans.. Faraday Soc.
62(527), Part II, pp. 3135-31H1, Nov.. 1966. 26 refs-
Isotopically labelled atmoic oxygen, produced by the photolysis
of N1302 at 3660 angstroms, was allowed to react with CO,
C02 H20, 02 and COC12, respectively. The rates and
mechanisms of the exchange reactions are discussed. The
specific rate constants were determined for the process™#*
11533
Foote, Christopher S»» and Shi-Yin Wcng
ON THE QUESTION OF TBO BEACTIVE OXYGEN SINGLETS. Preprint,
California Bniv., Los Anqelee, Eept. of Chesistry, 10p.,
((1968)). 13 refs.
1210
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Research work into the mechanism of fhotooxidati.cn reactions
involving excited singlet and triplet molecular oxygen is
presented. The mechanism of the reactions is approached by the
study of dye-bleaching reaction kinetics-##
11742
Simecek, A., A. Begner, and J. Vosolsobe
KINETICS 2ND MECHANISM OF SOLPHOR DIOXIDE OXIDATION OH A VANADIUM
CATALYST. I. INFLOENCIS OF THE OXYGEN PARTIAL PBESSUHE ON THE
BATE OF OXIDATION. Collection Czech. Chen. Commun.(Prague),
33(7):2162-2168, 1968. 44 refs.
The rate of oxidation of S02 on a vanadiua catalyst (6* V205
by weight and a molar R2C;V2C5 ratio 4.0, supported on
kieselguhr, with a specific surface area of 2 m2/g, a pore volume
of 0.28 cc/g, and mean pore radius of 2880A) at 460-520 deg C
vas measured in a differential reactor with gas recirculation; the
proportions of S02 and 02 in the inlet gas were varied from
7-15% and.from 5-24.5*, respectively. The reaction rate, which
decreased rapidly with time under all conditions, increased
uniformly with both increasing temperature and increasing 02
concentration. The reaction was found to be first order with
respect to oxygen, indicating that the rate-determining step is
probably the reaction of 02 with the catalyst. The apparent
activation energy was calculated to tie 29.0-36.6 kcal/aole,
decreasing with increasing degree of conversion.#9
11770
Ballod, A. P., S. I. Holehanovo, and V. Ya. Shtern
HECHANISM OF THE VAIOOH-PBASE INTERACTION OF ALKANES WITH
MITBOGEN DIOXIDE. (THE KINETICS AND CHEMICAL PECULIARITIES OF
THE SLCK BEACTION C3H8-N02). Keftekhimiya (Bussia), 7(1):115-123,
1967. 20 refs. Translated from Bussian. Ministry of Technology,
Orpington Kent, England, TIL Beports Centre, TIL/T 5757, Aug.
1968.
CFSTI: N68-31918
The kinetics and chemical peculiarities of the slow nitration
reaction between propane and nitrogen dioxide were studied under
static conditions in a vacuum apparatus. The determination of
reaction orders vas performed by observing the relationship
between the initial reaction speed, and the concentration of one
of the reactants, with constant concentration of the other
reactant. The speed of the reaction was determined
photometrically from the consumption of the nitrogen dioxide;
the development of the reaction was determined from the
logarithmic carve of the relationship between the initial
reaction speed and the partial pressures of propane and nitrogen
dioxide. The orders of the slow reaction were found to be
temperature dependent: at 225 and 250 deg, the order according
M. Basic Science and Technology
1211
-------
to C3HB vas 1.0: at 300 and 350 deg, the order according to C3H3
was 0.75 and according tc H02, 1.6. The effective activation
energy of the reaction was 30,000 plus or minus 2000 cal/mol at
200-350 deg. At 250 deg, the end products of the slow reaction
were nitro-alkanes which underwent further transformations at
350 deg. Intermediate products of the slow reaction were
acetaldehyde, isopropyl alcohol, and methyl nitrite. Acetone
was formed by secondary reactions; it did not experience any
further transformation.
11771
Vogh, J. H. and B. Dimitriades
effect of hc/nox ratio oh photcchebical beactivit* of aoto
EXHAUST. Preprint, ((17)) p„ , April 9-14, 1967. (Presented at
American Chemical Society, Div. of Hater, Air, and Raste
Chemistry, Miami, Fla., April 9-14, 1967.)
An attempt to define the reactivity-HC-HOx relationship
guantitatively failed to produce conclusive results because of
lack of adeguate precision. The contention is expressed that at
the present tine laboratory data are the best source of information
available to evaluate ccntrol efforts. Furthermore, agreement
among various laboratories, i.e. various experimental systems,
provides the only criterion for judging the validity and usefulness
of the laboratory data. The precision of the
reactivity-measurement results is determined by factors other than
those associated with the analytical methodology.
Humidity variation might be an important factor. On this basis
humidity control in irradiation-chamber work is imperative. At
extremely low hydrocarbon levels there are indications that
significant photochemical oxidant levels would still be
produced. A detailed study of the photochemical reactivity of
hydrocarbon/HOx systems as a function of concentrations of
HC and NOx at levels belcw 0.2 ppm would be of interest.
(Authors' summary, modified)##
11783
liu, Benjamin T. H. and Hsu-Chi Teh
EFFECT OF PRESS0BE AND ELECTRIC FIELD 0M THE CHARGING OF A1BOSOL
PAHTICLES. (SECTION III). Minnesota Univ., Minneapolis, Dept. of
Bechanical Engineering, AEC Contract AT(11-1)-1248, Pub. COO-
1248-13, 57p., Sept. 1967. 12 refs. (Presented at the
International Conference on the Universal Aspects of Atmospheric
Electricity 4th, Tokyo, Japan, Hay 13-18, 1968.)
The electric charge acguired by particles of an aerosol containing
unipolar gaseous ions was measured over a wide range of conditions.
Honcdisperse aerosols of Di-octyl phthalate with surface median
radii from 0.026 to 0.565 micron were used. Pressure was varied
from 0.075 atn to 0.96 atn, the intensity of the applied electric
field was varied from 372 volts/cm to 2000 volts/cm, and the
1212
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
product N (o)t was varied fron approximately 400,000 to 30,000,000,
where N (o) is the concentration of ions in number of ions per cc
of air, and t is the charging tine in seconds. The experimental
data were compared with various charging theories previously
reviewed by Liu and Yeh and the results indicated that none of the
theories gave an entirely satisfactory account of the experimental
data over its entire range. However, the best agreement was
obtained with the theory of liu and Yeh, thus indicating that this
theory gives an essentially correct description of the charging
process. (Author abstract modified)
11784
liu, Benjamin Y. H. and Hsu-Chi Yeh
ON THE THEORY OF CHARGING OF AEBOSOL PARTICLES IN AN ELECTRIC
FIEID. Minnesota Univ., flinneapolis, Particle Technology lab.,
AEC Contract Pub. COO-1248-12, 32p., Sept. 1967- 12 refs.
Theories for the charging of aerosol particles by unipolar gaseous
ions were reviewed and a new theory taking into account both the
random thermal motion of the ions and the motion of ions induced
by an applied electric field was developed. The theories were
compared vith the experimental data of Hewitt; the results
indicated that the new theory developed shows the best agreement
with the experimental data over the entire range of conditions
covered by the data, for particle size ranging from 0.09 to 0.46
micron radius, for electric field intensities ranging from 300
volts/cm to 10800 volts/cm, and for product N(o) t, ranging
from approximately 1,000,000 to 5C,CC0,0O0, where S(o) is the
concentration of ions in number of ions per cc, and t is the
charging time in seconds). The methods of predicting the
magnitude of electric charge acquired by aerosol particles are
of considerable practical importance in the design and operation
of devices such as electrostatic precipitators, electrostatic
aerosol samplers, electrogasdynasic power generators, and
aerosol particle counters and classifiers based on electrostatic
principles. (Author abstract modified)
11796
Pullman, Ira
FREE RADICAL PRODUCTION IN BI0ICGICALLY SIGNIFICANT COMPOUNDS.
In: Biological Effects of Radiation and Belated Biochemical
and Physical Studies. (Progress Report). Slcan-Kettering Inst,
for Cancer Research, New York, Div. of Eiophysics, AEC contract
AT (30-1)910, 2p., Sept. 30, 1968.
A method is described for obtaining values of the hyperfine
coupling constants of the negative ions of selected polycyclic
hydrocarbons of biological interest. The electron spin resonance
spectra of these compounds are too complex to be completely
resolved, so it is difficult tc assign unambiguous coupling
M, Basic Science and Technology
1213
-------
constants based on comparison with a theoretical stick program in
which the lines have zerc width. In an experimental program, a
simulated Lorentz line shape experimental spectrum is being
computed by an IBM 1800 from a given set o£ coupling constants.
The natural line width, the modulation amplitude of the
spectrometer, and the output time constant of the spectrometer are
taken into account. The method reduces the ambiguity in the
assignment of coupling constants. Experimental and calculated
hyperfine coupling constants for benzo(a)pyrene negative icn are
tabulated. The data to be obtained for different hydrocarbon
negative ions will serve as a check on various semi-empirical
correlations between spin densities and coupling constants reported
for the simpler hydrocarbons.
11802
Omans, fit. s., s. A. Lesko, Jr., and P. 0. P. is'o
CHEHICAL LINKAGE OF THE 3,U-BEBZPTRENE TO OKA VIA FREE RJEICAL
REACTION. (A PRELIMINARY DEPORT). AEC Contract AT (30-1)-3538,
NYO-3538-11, Conf.-681016-2, 6f., March 1, 1968, 3 tefs.
A linkage between 3,4-benzpyrene (BF) and DNa was successfully
induced by iodine. Chromatographic analysis of the nucleotides
produced by hydrolysis of the BE~DNA complex indicated that a
majority of the counts followed the optical density, although
there was a radioactivity peak in the fractions which came through
with the void volume. Since mcst of the counts were removed by
cyclohexane, they are not chemically linked to the nucleotides.
It is hypothesized that the BP-DHA bond may be base labile, and
thus cleaved by the alkaline conditions needed for enzytatic
hydrolysis. This would lead to a free BP derivative in agueous
solution, far above its aguecus solubility, and the formation of
microcrystals or colloidal particles. At present, the nature
of the BP-DNA reaction product is not clear. Preliminary sucrose
gradient electrophoresis studies on the nucleotide mixture
indicates several components. One very strong peak of
radioactivity is found to migrate closely with the guanosine
monophosphate, suggesting that a reaction analogous to alkylation
of DNA occurs and involves the 7-position of guanine. In future
experiments, the role of free radicals in the reaction will be
followed by electron spin resonance.
1186ft
S.V. Benson, G.H. Haugen
A SI8PLE, SELF-COtf SI5TENT ILECTBQSTATIC (JCDEI FOR
QUANTITATIVE PREDICTION OF THE ACTIVITI0N ENERGIES OF FOUR-CENTER
reactions . Preprint, Stanford Research Inst., Henlo Park,
Calif., 27p., 1965. ((16)) refs. (Presented at the Fall 1965
Beeting of the Amer. Chen. See* in Atlantic city, N. J.)
The Eenson-Boce, semi-ion pair mcdel of the transition state
for four-center reactions is extended to include the metathesis
1214
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
reactions as veil as the addition reactions, X2 + olefin yields
product, and HX + olefin yields product. A siaple
electrostatic model of point dipoles is used which permits direct
calculation of the activation energies of these reactions. These
calculated values agree with a large number of experimental data to
within plus or minus 1.3 kcal/nole on the average and a maximum
deviation of 3.2 kcal/nole. It was found that the best fit could
be obtained by using rX-X +0.4 angstroms as the transition state
distance for all X-X bonds, vhere rX-X is the ground state
X-X distance. ?he dipole separation is obtained by adding 1.00
angstroms to the rX-X distance where X-Y is the bond being
formed. This leads to a physically reasonable as well as a self-
consistent model. Values are given for about 40 reactions
involving H, F, ci, Br, I. 1 simple point charge
correction is included to account for the earkownikoff Rule.
Attention is directed to the astonishingly low energies reguired
tc produce semi-ion pair states in olefins and the conseguences for
olefins chemistry. (Authors* abstract)t#
11872
Patiadi, I. J.
0X1SATI0S PRODUCTS Of PEBYLENE. National Bureau of Standards,
Washington, D. C., TN-427, p. 12*16, Oct. 1967. 6 refs.
Cure reference compound* of perylene, particularly the various
oxidation products, mere needed in connection with a study of
the products resulting from photochemical reactions of perylene
adsorbed on various particulates. The preparation of
1,12-peryleneguinone and 4,9-dihydroxy--3,10~peryleneguinone are
described. The 1,12-dione was obtained by a published procedure
involving cyclisation of 2,2'-dihydroxy-1,1'-binaphthyl with
aluminum chloride, to give 1,12-perylenediol which was then
oxidized with air and lead dioxide to give crude
1,12-peryleneguinone. This process was not very efficient, as the
desired dione is a labile compound which is difficult to purify.
Preliminary values for peaks in its ultraviolet and visible
spectra are given in a table. Preparation of 4,9-dihydroxy-3, 10-
peryleneguinone involved heating a solution of 3,4,9,10-tetranitro-
perylene in concentrated sulfuric acid at 140 C for six hours.
The product was recrystallized from nitrobenzene to give lustrous,
blue crystals, melting at 483-485 C (with sublimation and some
decompostion). Preliminary values for peaks in its ultraviolet
and visibe spectra are given in a table.
11888
A. A. Eorisov
THE THEBHAL DECOMPOSITION Of 820 AT HIGH TEHPERATOHES.
((Termicheskoye razlozhenye H2C pri vysokikh temperaturakh,))
Text in Bussian. Kinetika i Katalia, 9(3):482-489, 1968.
12 refs.
M. Basic Science andTeehnology
1215
-------
Changes in the concentration of N20, N2, 02, and MO with
tine during the decomposition of N2C (2 or 5* in neon) behind
reflected shock waves in a percussion tube at 1800-2300 degrees K
oere determined using a tine-flight mass spectrometer. The system
of differential equations describing the kinetics of this reaction
was solved, and values were deteriined from experimental data for
the reaction constants of the reactions: N20 + M = 0 + M,
N2C + 0 = N2 + 02, and N20 + 0 = 2N0. The rates
of the 2nd and 3rd reaction were found to be egual, and the
relative heights of the peaks for MO and 02 were found to remain
constant during the entire reaction period, independent of
pressure and temperature. The concentration of NO increased
uniformly with time* Although both N2/N20 and 02/N20
increased with time, the value of the ratio N2/02 decreased
rapidly during the first 100 microseconds, indicating an initial
predominance of the first of the 3 eguations. The reaction rate
for this catalytic decomposition is about 100 times as high as
that for the other two reactions.##
11959
Zocher, H. and H. Kautsky
LUMINESCENCE CUBING CHEHICA1 REACTIONS. Naturwissenschaften
(Berlin), vol. 11:194-199, 1923* 10 refs. Translated from German.
14p.
Chemiluminescence of the silicalhydroxide Si202B2 was studied and
the simultaneous occurrence of fluorescence was established. -
Studies of temperature effect from 100 C to -86 C were made. The
chemiluainescence as well as fluorescence is explained on the basis
of guantum considerations. Studies were made of the
chemiluminescence reaction of oxydisilin with potassium permanganate
ae revealed through the fluorescence of a number of attendant
pigments.
11965
Goehring, B. and I. Darge
A PROCESS FOH DETERMINING SULFATE IN TBI PRESENCE Of SORE
DISTURBING CATIONS. (Bin Verfahren zur Bestimmung von Sulfat bei
Anwesenheit einigex stoerender Katicnen). Z. Anal. Chen., vol.
125:18C-184, Nov. 9, 1942. 10 refs. Translated from German.
Franklin Inst. Research tabs., Philadelphia, Pa., Science
Info. Services, 9p.
A method is described for separating disturbing cations, such as
Ca(IX), Fe (III), Al(III), or Cr(III), from a sulfate-containing
solution by means of a synthetic resin exchanger. Resins which
are themselves strongly acid because they contain aromatic
nuclear sulfo acid groups and can therefore exchange metal ions
for hydrogen ions appear especially suitable for this purpose,
as in the reversible reaction CaS04 plus H2 exchangee yields
H2S04 plus Ca exchanger* Sulfate solutions can be completely
1216
PHOTOCHEMICAL OXIDANTS ANO AIR POLLUTION
-------
freed froa disturbing cations by filtering then over the
exchanger, provided the solution is not too strongly acid (pH
value of at least 1.5). The sulfate ion is not retained by the
exchanger in quantities which can still be detected by the usual
analytical methods. Separation by this technique is rapid and
convenient and of satisfactory accuracy.
1 2041
Glueck, A. R. and C. N« Kenney
THE KINETICS OF THE OXIDATION OP SOLPHUB DIOXIDE OVER HOLTEN
SALTS. Chen. Eng. Sci. , 23{10>;1257-1265, Oct. 1968. 1U refs.
Kinetic experiients on the oxidation of S02 over molten
potassium pyrosulphate at teaperatures below 380 degrees C in the
presence of V205 are discussed. The rate of reaction is first
order in S02 and zero order in oxygen partial pressure. The
velocity constant is 1.0 x 10 to the ainus 7 nole en/2 atm/1 sec/1
at 377 degrees C and the activation energy is 10.8 kcal.
Possible mechanisms are given.. (Author's Abstract)**
12046
Kistiakowsky, G. B. and T. A. Halter
PHOTOLYSIS OF KETBNE BY 2139-1 HADIATION. J. Phys. Chen.,
72 (12) :3952-3958, Nov. 1968. 27 ref.
The photolysis of ketene by the radiation of aainly 2139-A
wavelength was investigated over a vide range of ketene pressures
and radiation intensities in a static systen. The effects of
snail additions of oxygen and of large excess of n-butane vas also
studied. The guantun yield of CO foraation in ketene alone is
about 2 and is nearly ox completely pressure independent. The
other aain product is ethylene, whose quantum yield is about 0.8.
Snaller yields of H2, C2R2, and C2H6 were also obtained,
and their dependence on pressure and radiation intensity was
studied. Also several C3 and C4 hydrocarbons are forned
whose yields increase with the degree of deconposition, so that
they are attributed to reactions with the priaary products of
photolysis. A polyaer fila is slowly forked on the irradiated
surfaces of the cells* The experiaental results are consistent
with the conclusion that the priaary reaction is the decomposition
of ketene into CO and CB2. About 701 of the aethylene
forned reacts with ketene foraing CO and C2H
-------
insertion of methylene, forming pentanes. Also CHI, C2H6, and
butenes are observed which are attributed to an abstraction
reaction by Methylene to for* CH3 and CtH9 radicals. When
oxygen is added to ketene alcne or to mixtures of ketene and
n-butane, all products which have been attributed to free-radical
reactions disappear. These results make it probable, although
they dc not prove it, that the 2139-6 radiation causes the
formation of two kinds of methylene in about a 7:3 ratio, which
behave kinetically as the singlet and triplet states of methylene
formed by near-ultraviolet radiation but possess higher excess
energy. (Author's Abstract)##
12142
Stevenson, H. J. R., D. E. Sanderson, and A. P. Altshuller
SOME EFFECTS OP SOLFUH DIOIIDE OK FORMATION OF PBOTOCHEHICAL
AEROSOLS. Preprint, American Industrial Hygiene Assoc., Detroit,
Bich., Hvp., 1961*. 13 refs. (Presented at the Conference of the
American Industrial Hygiene Association, Philadelphia, Pa.,
April 29, 1964.)
Aerosol was photochemically produced by the irradiation of a
number of hydrocarbon-nitrogen dioxide mixtures, some requiring
sulfur dioxide. In the reactions not reguiring sulfur dioxide,
the addition of S02 increased the aerosol production.
Trans-2-butene required S02 for aerosol production, but
cyclohexene did not. When both hydrocarbons were present in the
photochemical reaction with U02, the amount of aerosol was greater
than that produced by the cyclohexene alone. The cyclohexene
appeared to perform a role for the trans-2-butene similar to the
role played by sulfur dioxide. Six- and seven-carbon olefins,
whether cyclic or straight chain, all produced aerosols without
the presence of S02 and produced more aerosol when S02 was added.
It appeared reasonable that 3-beptene produced less aerosol than
the 1-heptene in the absence of S02 because of the smaller
molecular fragment on reaction. The 3-heptane reacted more
rapidly than the 1-heptene because of the internal position of
the double bond, and the increase of aerosol on addition of S02
was greater for 3-heptene than for 1-heptene. Shorter wavelength
illumination had little effect, an indication that photochemical
activation of S02 is not responsible for its ability to react in
photochemical smog production. At 50% humidity, less aerosol was
produced than at OX, and the length of residence time had opposite
effects on the quantity of aerosol produced, depending upon the
speed of the reaction. The size of the aeroscl produced depended
upon the conditions of the experiment, ffhen sulfur dioxide was
present, the aerosol was smaller and more numerous.
12169
J. N. Pitts, Jr., and J. K» S. Van
THE PHOTOCHEMISTRY 0? KSTORES AND ALDEHYDES. Preprint,
California Cniv., Riverside, Dept.. of Chemistry, 103p. , Dec*,
1964„ 272 refs.
1218
PHOTOCHEMICAL OXtOANTS AND AIR POLLUTION
-------
With the development of nodern experimental techniques,
particularly in analysis of complex mixtures by liquid-gas
chromatographic methods,, photochemistry has assumed an increasing
importance in studies of free radical reactions, energy transfer
processes and the synthesis of new and unique organic compounds.
Perhaps the «ost widely studied class of compounds, historically
and today, is that containing the carbonyl chromophore. The
absorption spectra of most carbonyl conpounds fall in the
experimentally readily accessible region of the ultraviolet where
quarta has high transmission and mercury arcs produce strong ling
emission spectra. In order to obtain a thorough understanding
of the photochemistry of a given system, one must elucidate the
entire "life history" of the photoprocess; this includes the
primary process (es) and all secondary reactions in the system.##
12171
Downs, Alan B.
ATflOSPHEBIC TBAKSMISSION OF LIGHT FOB CLEAB AID AND FOG IN THE
SP1CTBAL BEGIOH 0.35 TO 1.10 MICB0M5. Ballastic Research Labs.
Aberdeen Proving Ground, Hd., BDT and E Proj. IH523801A286,
BBL HB—1561, 45p., April 1964. 12 refs.
CFSTI, DOC: AD 444333
A method for determining light transmission in an ideal atmosphere
with humidity ranging fro* 0.1 to 100 times ten to the minus
6 g/cu cm at -40 to +60 C over path lengths of 1000 to 5000 ¦ is
described. Horizontal light paths near sea level and wavelength
intervals of 0.05 micron over the range 0.35-1*10 micron were
used. Hodification of the model to account for the presence of
fog is explained. Transmissions are given for varying amounts of
fog over path lengths op to 200 m. This same method does not
apply to base because of small droplet size and consequent
wavelength dependence; hence visual approximation are
substituted.
12216
Wells, Hichael G.
MONTH CABLO ANALYSIS OF SEABCBLIGH1 SCA1TERIHG HBASOBEMESTS.
Badiation Besearch Associates, Inc., Fort Worth, Tex., OAS Contract
F19628-67-C-0298, Proj. 7621, Task 762107, Unit 76210701, AFCBL-68-
0311, BBA-T87, 17p., Bay 31, 1968. 5 refs. (Presented at the
Annual Meeting of the Optical Society of Aaerica, 1967, paper
ThD 20.)
CFSTI, DDC: AD 675153
A Honte Carlo analysis was made of measurements of the scattered
light from a searchlight beam. These measurements, reported by
Elterman, were performed to determine the aerosol properties of
the atmosphere for altitudes below 35 km. llterman derived
altitude profiles of the aerosol attenuation coefficient from the
measured response data by use of single scattering theory for
M. Basic Selene* and Technology
1219
-------
Bayleigh and aerosol particle scattering, i study was made using
the LITE-I Monte Carlo code to investigate the effects of multiple
scattering and ozone absorption on the measured response date for
0.55 micron wavelength light. The effect on the calculated
receiver response that results from the use of different aerosol
phase functions in the Nonte Carlo calculations was also studied.
The Honto Carlo calculations shoved that the effects of multiple
scattering and ozone absorption were approximately equal in
magnitude, but opposite in effect. It was concluded, that the
neglect of ozone absorption and multiple scattering did not
introduce any significant error in EIterman's calculations of the
aerosol attenuation coefficient profiles. The major source of
error in determining the aeroscl attenuation coefficient profile
from single scattering theory was found to be in the use of an
aerosol phase function that wae measured at a different time and
geographical location than that used for the searchlight
experiment. (Author abstract modified)
12259
A.. Hay hurst, and T. Sugden
IONIZATION PROCESSES, CONNECTED WITH ADDITION OF HETALS TO GAS
FUMES* In: Loir-Temperature Plasma (Selected Articles).
Translated from Russian. Foreign Technology Div., Wright-
Patterson AFB, Ohio„ p. 9-29, June 21, 1968.. 17 refs.
An experimental study of the ionization processes in hot products
of combustion process (flame gases) as weak plasma media is
presented. Among the topics discussed are the physical and
chemical properties of flames, mass spectroscopic
observations* electron concentration measurements and thermal
and chemical ionization. The experimental techniques, which
effectively combine electron concentration measurements with direct
mass spectroscopy, are described. Direct collisional ionization
of metallic elements, hydrated postiive ion formation, and mutual
ionization be electron exchange are the phenomena observed in the
weak plasmas of flame gases.**
12320
Altshuller, A. P., S. L. Kopczynski, D. Wilson, w. lonneman, and
F. D. Sutterfield
PHOTOCHEMICAL REACTIVITIES OF PARAFFINIC BYDROCAHBON-NITROGEN OXIDE
MIXTURES UPON ADDITION OF PBOPY1EHE CR TOLUENE. Preprint, National
Air Pollution Control Administration, Cincinnati, Ohio, Div. of
Chemistry and Physics, 16p., 1969. 8 refs.
Effects associated with photochemical air pollution including
nitrogen dioxide and oxidant dosages, yields of formaldehyde and
peroxyacetyl nitrate, and eye irritation response, were measured
during irradiation of n-butane - nitrogen oxide or n-butane - ethan
- nitrogen oxide mixtures, with small amounts of propylene or
toluene added. In some mixtures, propylene was added to n-butane
1220
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
to give hydrocarbon ratios ranging from 0 to 0.25 to 1; in others,
toluene was added to provide a hydrocarbon ratio of 0.5 to 1.
Irradiations were carried out in two 335-cu ft chambers, with
6-hr periods of static irradiation. Beneficial effects resulted
from selective changes in hydrccarbcn composition as veil as from
reduction of total hydrocarbon concentration* Exclusion of olefins
and alkylbenzenes was highly effective in reducing oxidant dosage,
formaldehyde and peroxyacetyl nitrate concentrations, and eye
irritation response. The only negative results was a modest
increase in nitrogen dioxide dosage. A large reduction in nitrogen
oxide concentration reduced nitrcgen dioxide dosage and eye
irritation response, but resulted negatively in a large increase in
oxidant dosage. The results indicate that control of the
photochemical aspects of air pollution can be accomplished more
rapidly by preferential reduction of olefins and alkylbenzenes than
by reduction of total hydrocarbon concentration. It is recommended
that research and development efforts be directed toward
preferential hydrocarbon control by mechanical or catalytic control
devices or by modifications in fuel composition. (Author abstract
modified)
12119
Gay, B. 8. and J. J. Bufalini
DITFXC ACID: FORMATION BY PHOTOCXIEATION OF BYDBOCABBONS ID THE
PBESENCE Of OXIDES OF NITROGEN. Preprint, national Air Pollution
Control Administration, Cincinnati,,Chio, Div. of Chemistry
and Physics, 4p., 1969. 5 refs.
Ethylene was photooxidized in the presence of nitrogen dioxide
under static conditions. light intensity was measured by R02
photolysis. Colorimetric analyses were made for B02 initially
and throughout the irradiations with the modified Griess regeant.
nitric acid was also analyzed colorimetrically by the reduction
diazotization method. Ethylene, carbon monoxide, were monitored
by a gas chromatograph. Nitrogen was analyzed by vapor-phase
chromatography on a molecular sieve column with a helium
photoionization detector. After several experiments it became
obvious that molecular nitrogen was not formed. When 21 ppm
ethylene was irradiated for 5 hrs with 3.75 ppm M02, 25.6 ppm
carbon was reacted. The products observed were 10.24 ppm CO; 3.9
ppm C02; 10.7 ppm CH20; and 0.3 ppm methyl nitrate. The total
carbon observed was then 25.11 ppm. This value represents an
excellent carbon balance and indicates that nitrogen cannot
coexist with carbon to form a compound. Analyses were than made
for nitric acid in the gas phase; none was detected. The inner
surface of the flask was washed with 200 ml of 0.1N sodium
hydroxide, and an aliguot was used CO determine nitrate by
reduction diazotization. This analysis yielded a nitrate
concentration of 3.46 ppm. The total nitrogen was 100* accounted
for as nitrates. Experiments were extended with the irradiation
of 1,3"-butadiene. Carbon balance was not good, nitrogen
balance was excellent, with most of the nitrogen again appearing
on the walls of the reaction vessel. Although no complete
mechanism was suggested, a reaction particularly attractive was
H205 + H20(wall) yields 2HH03 (wall).
M. Basic Science and Technology
T221
-------
13002
Simecek, A., E« Kadlec, and J. flichalek
THE BEDDCTIOK-OXIDATIOB BBCHAfllSB OP SU1FUH DIOXIDE OXIDATICK OH
VAKADIOH CATALYSTS. J. Catalysis, 14 («J:287-292, Aug. 1969.
9 refs«
It is shown that the oxidation cf S02 on vanadium catalysts
proceeds according to the oxidation-reduction mechanism. The
validity of this mechanism was verified by a study of the
oxidation rate dependence on the vanadium concentrations and
kinetic measureBents in two different types of industrial
catalysts. It was found that the oxidation rate of sulfur
dioxide is a first order one with respect to the total
concentration of vanadium in the catalyst.. Other results of
this study, including temperature dependence and the reaction
rate, are presented graphically cr in tabulated form..
(Author abstract modified)
13009
Eastman# E-D.
BEVISICH OP THE TREE EHEBGY OF FOB KATICN OF SULPH0S
DIOXIDE. Dept. of Commerce, Bureau of Mines, I.C., 6454,
7p.. , April 1931.
Greater accuracies in the measurement of the heat of
fcreation of S02 and the specific heat of S gas allow a new and
more accurate determination of the free energy of S02., The
equations for the specific heats of rhombic S, gaseous S, O, and
SO2, required for the calculation, are given. The heat capacity
of S gas was previously taken to be egual to that of 0, but is
given separate treatment in the present determination. When the
characteristic freguency of vibration of a diatonic molecule in
the lowest state is known, it is possible to represent its
vibrational specific heat approximately by means of the
corresponding Einstein function., in the case of s gas, the first
quantum jump in vibration is approximately known from calculations
based cn spectral data. Taking this jump as 0.089 volt-
equivalent, the corresponding Einstein function gives the
vibrational heat capacity for any temperature. The total heat
capacities are then obtained by adding tfae desired values to 7/2
It, the polal heat capacity at constant pressure of a diatonic gas
with rotational degrees cf freedom fully excited. The basic free
energy equation is obtained fro* this data and the oxidation
reactions of both rhombic and gaseous S. The integration constant
is determined frcm previous equilibrium studies on H20 vapor,
liquid S, H2S, and S02 systems. The three revised equations are
given. The revised free energy of formation of S02 is given as
-79,580 cal. This is recommended for temporary and immediate use,
but nay be subject to further correction when the thermodynamics
of the reaction Cu2S = 2Cu20 yields t»Cu = S02 has been
satisfactorily discussed.
1222
PHOTOCHEMICAL OXIDANTS ANO AIR POLLUTION
-------
13020
Lottie, J.
COMPUTER EVALUATION OF TOTAL OZOKE OBSERVATIONS. Ann- Geophys.,,
25(1): 335-339, 1969. 2 rets- (Presented at the Tenth
International Ozone Symposium, Monaco, sept- 2-7, 1968.)
A Fortran IV computer program has been developed to quality
control and calculate routine total ozone measurements and lamp
tests for the Dobson Ozone Spectrophotometer. Sky and cloud
nomograms are fed to it in the form c£ numerical arrays which can
be easily amended. Further, it sets up files of correct data for
research as well as a continuous record of lamp test results to
monitor instrument stability. (Author abstract)
13034
Reaver, E«E«, J.,S. Ninomiya, L. Skewes, and C. H. Fuof
OXIDATION OF GASEOUS HYDROCARBONS IN CONCENTRATIONS OF PASTS
PES MILLION IN FLOW SYSTEMS. OXIDATION OF 1-BUTENE IN TYPE
410 STAINLESS STEEL TUBES* Environ- Sci. Technol., 3(1):57-62,
Jan.. 1969.. 6 refs..
1-Butene was oxidized in concentrations of 7 to 350 ppm in 90S
nitrogen-10* oxygen blends flowing laminarly in fresh and
aged Type 410 stainless steel tubes with residence times of
0.10 to 0.25 sec at temperatures between 450 and 800 C* In
the fresh tubes, the reaction appeals to be largely
homogeneous, since nearly identical oxidation rates are
obtained in tubes of different diameters and hence of
different surface"volume ratios.. However, on prolonged use
the tubes become increasingly catalytic, showing an order of
magnitude increase in rates of oxidation; simultaneously, the
surface area of the tube increases by an order of magnitude as
shows by BET measurements. The rates of disappearance of the
1-butene approach first-order with respect to hydrocarbon
concentration as the tubes are aged; they become independent
of oxygen concentration when atout 20 times the
stoichicmetric amount of oxygen is present. (Author
abstract modified)
13085
Billard, Francois, Jean Bricard, Hichel Cabane, and Ingo Hilmanns
A STUDY OF THE MOBILITY OF SNAIL POSITIVE IONS IN AIR BY THE
METHOD OF PASSAGE TIRE. (Etude de la mobilite des petits ions
positifs dans l"air par la methode du temps de vol). Text in
French, coapt. Rend.. Acad. Sci. Sec. B (Paris), 267(2) M12-115,
July 8, 1968. 5 rets-
The spectrum of mobility of email positive ions produced by
M. Basic Science and Technology
1223
-------
coronal discharge in air gives rise to a series of maxima in which
the mobilities depend on the aging time of the ions, as well as on
the impurities of the air. Mobility values were in good
agreement with those obtained for snail radioactive ions in air.
Maximum values were in agreement with those determined in purified
gases- For a given aging tine, the introduction of either sulfur
dioxide or water vapor causes a displacement of the spectrum
toward lower nobilities and successive disappearance of the higher
mobilities.
13223
Adrussow, Leonid
THE CATALYTIC NITRIC OXIDE REDUCTION AND AKHONIA OXIDATION (IVJ .
{liber die katalytische Stickoxyd-tteduktion und Ammoniak-
Oxydation (IV)>. Text in German, chem. Ber., vol. 60:536-540,
1927. 13 refs.
For further clarification of the ammonia oxidation which was
studied in three earlier works, it seemed desirable to also study
the reverse process, i.e.* the reduction of nitric oxide to
ammonia.. For this purpose, a mixture of nitric oxide and
hydrogen was passed with constant speed over a Pt screen
catalyst. After a period of 50 to 80 min required to establish
equilibrium, the vessels for the analysis were connected.
Ammonia was absorbed by distilled water in the apparatus and a
constant flow of oxygen for oxidation to NO was added. The
nitric oxides thus obtained were absorbed in sodium hydroxide
and frozen with liquid air. Compared to the rapid oxidation of
ammonia, the effect of molecular hydrogen on nitric oxide with
a platinum catalyst is rather sluggish even at contact times
1000 times as long. Eves at the high temperature of 850 C, half
of the nitric oxide passed the catalyst without dissociation.
Prolonging the contact period from 0.001 sec to 0.006 and 0«003
sec lead to a 90* reduction of the nitric oxide. Between 600
and 650 C, a considerable amount of nitrogen formed, due to the
dissociation of ammonia product. Hithout a catalyst, the
effect of hydrogen on nitric oxide remains sluggish even at high
temperatures.
13224
ffanchot, W. and Hans Schaid
THE ST0DY OF HETAL NITBOSO CQHPOONDS: A NITRIC OXIDE COBFCDND OF
KANG&NESE. (2ur Kenntnis der Ketall-Nitroso-Verbindungen: Uber
eine Stickoxyd-Verbindung des Hangans). Text in German. Chen.
Ber.# vol** 59:2360-2363, 1926- 3 refs.
A nitric oxide compound of manganese was prepared for the first
time* HnC12 is brought in contact with potassium cyanide in
aqueous or 30JE alcohol solution* nitric oxide is rapidly
absorbed. The amount of nitric oxide absorbed depends on the
quantity of potassium cyanide used. As systematic
experiments showed marked NO absorption took place beginning with
1224
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
a KCN concentration of 1 mole and increased with higher
potassiun cyanide quantities.. At 5 moles KCN, a maximum of one
mole NO per atom of manganese was absorbed. Xn one experiment,
a pink precipitate formed in addition to the colored permanganate
solution.. As more potassium cyanide was added, no farther
precipitation was obtained; there Has only a clear solution whose
color intensity increased with higher NO binding at higher
quantities of potassiun cylanide.. The experiments also showed
that MO binding is irreversible. With aqueous solution, NO
consumption is lower than with alcohol, particularly at lover
KCN concentrations, and more precipitate forms. To prepare the
compound, 4.90g Pin acetate, one mole H20, and 3.92g potassium
acetate are dissolved in 10 cc water over a water bath. After
cooling, 30 cc alcohol are added., Then, in a nitric oxide
atmosphere, 6»5g (5 mol) potassium cyanide in 15 cc water is
added at 0 C or at room temperature. A considerable but
varying amount of gray-green KSn{CN)3 forms, while the solution
turns purple. After several precipitating and filtering
operations, about 1 to 2 g of crystallized pure substance is
obtained. The results of the analyses show complete agreement
with the experiments on nitric oxide binding by HnC12 and
potassium cyanide mixtures. Manganese is neither oxidized nor
reduced. The compound corresponds to the sodium nitroprusside
of Fe (II) .
132U8
Binkh, A„ A« and I. H.. Malysheva
THE EFFECT OF IONIZED AIR ON THE FUNCTIONAL MOBILITY OF THE SKIN
COLO RECEPTORS. (Vliyaniye Ionizirovannogo Vozdukha na
funktsional • nuyu nobil "nost" kholodovykh retseptorov kozhij.
Text in Russian.. Vestn. Akad. Ned. Nauk SSSR (Moscow), 24(3):
35-10, 1969.. 30 tefs.
Artificially ionized air has a broad range of nonspecific action
finding its expression in an increased resistance of the organism
to oxygen deficiency, chronic effects of toxic dusts and gases,
bacterial intoxication, gamma irradiation, etc. The chilling
actions of negatively ionized air was studied by determining
the "functional mobility* of dermal cold receptors in 31
sportsmen. Functional mobility implies the ability of an organ
to react to excitations of the external or internal environment
with a larger or smaller number of elements composing it. The
phenomenon is inherent in all organs and tissues. A
statistically significant drop in the level of functional mobility
was observed in the course of 18 to 19 daily exposures to
negative aeroions, indicating reduced sensitivity of the skin to
cold. Reduced functional mobility may be regarded as one of
the indicators characterizing adaption of the organism to cold.
Periodical inhalation of negative aeroions should facilitate
acclimatization to low-temperature environmental conditions.
(Author summary modified)
13253
Oansen, Lena and Olcf Samuelson
OXIDATION OF IIGRID BY F0LYS0IIIDE SOLUTIONS. Svensk Papperstid.,
70(19):607-609, Oct. 15, 1967. 5 tefs.
M. Basic Science and Technology
1225
-------
Alkali liqnin was subjected to polysulfide cooking and the
changes in the concentrations of polysulfide* thiosulfate, and
sulfide were determined after various tines of reaction. From
these changes it can be concluded that dissolved alkali lignin
was oxidized by polysulfide during an early stage of the cooking-
Sulfide formed in this reaction was partly consumed in reactions
with the lignin- Only a minor part of the polysulfide sulfur
was under the applied working conditions, decomposed by
disproportionation into thiosulfate and sulfide. (Author
abstract)
13265
Pierce, J. A„
A STUM OP THE BEACTIOU EETBEEB S1TB1C OXIDE AUB HYDROGEN
SULPHIDE.. J» Phys. Chen., 33(1):22-36, Jan. 1929. 15 refs.
The conditions of the reaction between nitric oxide and hydrogen
sulfide were studied at temperatures between 28 and 100 C„
Reaction conditions varied by conducting a series of experiments
in, (a) a plain glass chamber, (b) with added silica gel, and
(c) with added glass wool. The reaction proceeded under all
conditions; the slowest velocity was obtained when no catalyst
was used.. Increased surface provided by glass wool accelerated
the reaction to a rate comparable to that with silica gel„ The
reaction is heterogeneous, as confirmed by the slowing of the
reaction in the presence of inhibiting colloidal sulfur. The
stoichiometric expression for the reaction is: 2190 = 2H2S yields
2H20 = 2S * N2. A negative temperature coefficient was found and
ascribed to decreased association of NO to form N202 at the
higher temperatures. The accumulation of colloidal sulfur as
a result of the reaction is the cause of the inhibitory effect
observed. It appears to be a mechanical coating of the catalyst.
The glass wall of the reaction chamber and the filaments of glass
wool were acted upon by water and H2S with formation of
amorphous silicon dioxide. {Author summary modified}
1326T
Karp, I. K., B. S. Soroka* l» *• Dashevskiy, and
S. D.. Pis "mennaya
COHPOTER CALCULATION OF THEBHODY»ABIC EQDILIBRITJH 0? THE
COHBOSTIO* PBODOCTS 01 HETAl-OXIEAHT HI*T0BES„ (Baschety
termodinamicheskogo ravnovesiya produktov goreniya metano-
okislitel *nykh snesey na elektrenno-vychislitel "nykh
mashinakh). Text in Bussian. Akad. Hank SSSB, Teplofiz.
VysoXikh Temp.„ 5 0):69-78# 1967. 15 refs„
Development of a system of equations for describing thermodynamics
equilibrium for the combustion products of a aetal-oxidant
mixture, and suitable for machine computation, is examined.
Besuits for calculations ate presented for the following
parameter ranges: temperature, 1600-4000 K; pressure, 1-3 bar;
T226
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
oxidant excess ratio„ 0.4-2.0; degree of oxygen enrich sent, from
pure air to pore oxygen. This method nay be used to determine
optimum combustion conditions. This article is condensed froa
a report given at the All-Unicn conference on the
Theraophysical Properties of Substances, Odessa, September 1964..
13273
Gerhardt, Bernt and Wolfgang Wiessner
ON THE LIGHT-DEPENDENT REACTIVATION OF PHOTOSYNTHETIC ACTIVITY
BY HAKGANESE. Eiochea. Biophys. Fes. Coaaun.., 28 (6): 958-964,
1967. 9 refs.
It has been established that reactivation of photosynthetic
activity by aanganese requires lights The necessity of light for
the reactivation is not due to a light-dependent aanganese uptake*
It was found that if inacystis nidulans cells are preincubated wit]
aanganese in the light or dark, subseguent illumination leads in
both cases to reactivation. If, however, the cells are freeze-
dried after preincubation with aanganese, the reactivation takes
place only when the algae have been preincubated in the light,,
These results indicate the necessity of the photosystem II to
restore photosynthetic activity in aanganese-deficient Anacystis
by aanganese. It is believed that Hn(2»} Bust be oxidized in a
light-dependent process. The dependency of reactivation on
different wavelengths characteristic of photosystea II is
presented in tabulated fora.
13312
Schonfeld, E.
COMPUTES CALCULATED CONCENTRATIONS IN TEE REACTIONS OF NITROGEN
AND OXYGEN. J. Chea„ Educ., 45(3):173-175, Hatch 1968.
The efficiencies of the reaction of nitrogen and oxygen to fora
NO at high teaperatarea and the further oxidation of NO to N02
at low teaperaturea can be calculated as a function of the
initial gas composition, temperature, and pressure*, Three
coaputer prograas were developed to pexfora all the
coaptations* The first one coaputed equilibrium constants
for all the reactions as a function of teaperatare. The input
values to the pxograa were the theraodynaaic values that can be
obtained froa tables. The second and third coaputer prograas
solved the equilibrium concentrations of the high temperature
reactions and lew teaperatare reactions, respectively. These
prograas peraiteed the determination of the equilibria# yields
of NO and 102 as a function of temperature* pressure, and initial
conditions {for any N/0 atoa ratio)« The coaputer prograas were
written in Fortran.
M. Basic Scimc# and Technolofiy
-------
1332U
tiayakawa, Taro, Basahiro Hirashima, Hinoru Hanada, and Hasahiko
Koike
EFFECT OF VABIOCS BIVALENT CATICRS AMD CHELATING AGENTS ON THE
OXIDATIVE DECARBOXYLATION OF ALPHA-KETO ACIDS. Biochinu Biophys.
Acta, 123(3) :57H-576, Dec- 1966. 0 refs.
The effects of several bivalent cations and
ethylenediaminetetraacetic acid fEDTA) on the oxidative
decarboxylation of alpha-keto acids in pig heart pyruvate
dehydrogenase and 2-oxoglutarate dehydrogenase complexes and
Escherichia coli pyruvate dehydrogenase and 2-oxoglutarate
complexes are reported. Special attention is given to the
activating effect of Ca (2 plus) and Mg(2 plus) cations, as well
as the inhibitory effect of EDTA. Tabulated data show that all
complexes, except E» coli pyruvate dehydrogenase, were strongly
stimulated by Caf2 plus}; Ng{2 plus) had a similar effect, while
EDTA inhibited the pig heart pyruvate dehydrogenase complex and
both E. coli complexes, but not the pig heart 2-oxoglutarate
complex. Indications that firmly bound metal ions play a role in
the oxidative decarboxylation of alfba-keto acids were verified by
spectrophotometry determination of the protein-bound metals in
both pig heart complexes. Highly purified pyruvate
dehydrogenase complex contained 0.98 millimicromoles of Ng>(2 plus)
and 1.6 millimicromales of Ca<2 plus) per eg of protein, and the
2-oxoglutarate dehydrogenase complex contained 1.7 micromoles
of both Hg(2 plus) and Ca(2 plus) per »g of protein.
1332V
HcKenna, J. H. and K. I. Eishop
STUDIES ON SHE PH0T00XIDATION CF HANGANESE E* ISOLATED
CHL080PLASTS. Eiochim., Biophys. Acta, 131 (2| :339-3U9f March
1967. 21 refs..
The phctocxidation of manganese by isolated spinach chloroplasts
was investigated to determine the possible relationship of this
reaction to that of the normal Hill reaction. Comparable
kinetics were observed for the effects of light intensity and
temperature. The photooxidation of manganese is inhibited by
typical poisons of Photosystem II, i.e., 3-(3,4-dichlorophenyl)-1,
-1-dimetbylurea, siaazine, and sodium cyanide. ttemoval of light
petroleum-soluble components from chloroplasts decreases their
capacity for manganese oxidation.. This effect is partially
reversed by the addition of plastoguinone A. Several additional
components of chloroplasts were examined for their effects on
manganese oxidation, photosynthetic pyridine nucleotide
reductase, purified ferredoxin, and a chloroplast diaphorase
were ineffective at low concentration and inhibitory at high
concentrations. Flavin mononucleotide (FHN), at low
concentrations, causes a marked stimulation of manganese
oxidation. Both the normal and Fill-stimulated reaction is
1228
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
inhibited by the flavin-antagonized acriflavin* The requirement
for flavin, the need for oxygen in the photooxidation of
manganese* and the observed inhibition by cyanide, suggest that
peroxide is a product of the reaction and that peroxidase, and
perhaps catalase, stimulates manganese oxidation through the
removal of the nevly formed peroxide. Although the
photooxidation of Mn(2 plus) to Mn(3 plus) is dependent upon
reactions of photosystem II, it cannot be concluded that the
process is exclusively a photosystem II reaction. (Author
summary modified)
13341
Ashmore, P. G« and P. Levitt
THEHBAL DECOMPOSITION OF NITROGEN DIOXIDE- Res. Correspondence,
9'(6| : S25-S26, June 1956„ 3 refs.
Unusually high initial rates were observed for the thermal
decomposition of nitrogen dioxide at low pressures near deg c..
The decomposition reaction fallowed second order kinetics and
therefore the graph of 1/N02 against time should be linear,
with runs at higher pressures, however, the slope reached a
constant value rapidly* This non-linearity was completely
suppressed by the addition of an egual pressure of nitric oxide.
Nitrogen did not have the same effect, even at pressures up to
0.5 atm. A reaction scheme involving the N03 radical was
suggested to explain these results.
13351
Stopperka, K«, F. Wolf, and G« Suss
INVESTIGATIONS INTO THE REACTIONS BETWEEN NITBOGEH DIOXIDE AND
SOIFUR DIOXIDE IN THE GAS PHASI. (Ontersuchungen uber die
Omsetzung zwischen Stickstoftdicxid and Schwefeldioxid in der
Gasphase)Text in German. Z. Anorg. Allgem. Chem», 359(1/2):
111-29, June 1968. 21 refs.
After reviewing earlier work on nitrogen dioxide/sulfur dioxide
reactions, it is concluded that the catalytic action of water
was never properly investigated* In the present work, the gas
phase interaction between N02 and S02 at H20 partial pressures
of 0*005 Torr and 0«000001 Torr and temperatures up to 230 C
were manometrically investigated. At as H20 partial pressure of
less than 0.000001 Torr, the reaction started at 225 C according
to the equations; 2 N02 yields 2 HO plus 02; 2 S02 plus 02 yields
2 SC3; and 2 S03 plus NO2 plus NO yields (NOJ 2S207., In the
presence of water vapor at a partial pressure less than 0.005
Torr, the reaction 3 N02 plus 2SC2 plus H20 yields 2 HOHSOU plus
NO proceeds rapidly even at 25 C. An equilibrium between N203
and N02 plus NO is established. After all water is consumed, the
reaction doesnot stop, but it changes to the following: 3 N203
M. Basic Science and Technology
1229
-------
plus 2 S02 yields JNO)2S207 plus U NC, and NC plus 3 N02 plus 2
S02 yields (NO)2S207 plus 2 MO. During all reactions, the walls
of the vessels were covered by hard, white crystals which were
identified as (V0)2S207 with admixtures of NOHSOU. Since this
reaction is important foe gypsum-sulfuric acid plants, other
catalysts were investigated. Glass wool, Pt-asbestos, rust, and
V205 did not influence the reaction other than as water carriers.
The apparatus used is described and the compound (NO)2S207 was
identified by its Belting point and Debye pattern.
13364
Garibyan, T. A.» A. A. Mantashyan, and An B. Nalbandyan
FORMATION OF PEROXIDE RADICALS DOSING PHOTOCHEMICAL OXIDATION OF
HYDROCARBONS.
-------
locations on the carbon surface that irreversibly adsorb H2S.
The results also indicate the impossibility of the oxidation of
the B2S molecules by molecular cxygen.
13375
Tkach, Tu., A. and O. K« Davtyan
STUDIES ON THE MECHANISM OP OXIDATION, HYDROGENATION AND
EIBCTROCHBHICAI COIBDSTION ON SOLID CATALYSTS- VI- CONCERNING
THE ACTIVE CENTERS AND THE APPEABANCE OP THE OXYGEN POTENTIAL
ON CABBON« (Xssledovaniye mekhanizma okisleniya, gidrirovaniya
i elektrokhinicheskogo goreniya na tverdykh katalizatorakh.
VI.. Ob aktivnykh tsentrakh i o vozniknovenii kislorodnogo
potentsiala na ugle). Text in Russian. Zh. Fiz.. Xhin, 35(12):
2727-2735, 1961. 5 refs.
the occurrence of oxygen transfer fro® non&ctive to active
centers and back again through surface migration on a carbon
black electrode (catalyst) until the establishment of
equilibrium was demonstrated. Migration rate was found to
increase with temperature. The formula of 0. K» Davtyan, which
gives the dependence of electrode potential on degree of filling
of active centers of the cheaisorbed substance, was experimentally
substantiated for the case of oxygen chemisorption on a carbon
black electrode. This supports the proposition that electrode
potential is determined not only by the chemisorbed gas in
general, but by the electrochemically or chemically active
chemisorbed gas constituting some fraction of the total
adsorbed gas. The number of active centers on the carbon black
surface Has determined by the low-temperatute oxidation of S02n
The value found vas 3.358 times 10 to the 18th power per sg v,
which is in good agreement with the value of 4.107 times 10 to the
18th power per sq a obtained the Daytyan formula. These data
also indicate a correlation between chemically and
electrochemically active oxygen on carbon black.
13376
Siedlewski, Janusz
MECHANISM OF CATALYTIC OXIDATION ON ACTIVATES CARBON.. IV*
INFLUENCE Cr FREE RADICALS OF CARBON ON 502 ADSORPTION.
(Mechanize katalitycznego utleniania aa veglu aktywowanym.
IV. Vplyw wolnych rodnikcv wegla na adsorpcje S02J. Text in
Polish* Roczniki Chen., 38(101 :1539-1547, 1964. 29 refs»
The catalytic influence of activated carbon on the oxidation of
S02 to S03 and the role of carbon free radicals in this
reaction were studied. Three different carbon samples were
prepared from saccharose at various temperatures and free
radical concentrations. Zt was found that the amount of S02
adsorbed depends on the surface area of the adsorbent, and not
on its porous structure or free radical concentration. However,
the amount of chemisorb«d SO2 depends only on the number of
M. Basic Science and Technology
1231
-------
free radicals present, the oxygen on a carbon sample which
contains chemisorbed S02 does not change the EPF signal, but
oxygen on a puce carbon sample causes the signal to disappear
completely. Thus it was concluded that the carbon free radicals
are the active centers for the chemisorption of S02. The bonds
between the chemisorbed molecules and the carbon surface, in
which the free radicals participate, are relatively weak and
break during absorption at 70 C«
13392
Addison, W. E„ and R» Ho Barrer
SORPTION AND REACTIVITY OP NITBOES OXIDE AND NITRIC OXIDE IN
CRYSTALLINE ADD AKOHPHOOS SltlCECtJS SOBEENTS. J. Chen. Soc.,
Part 1, pn 757-769, 1955-
Zeolite-induced reaction processes occurring in an intracrystalline
environment were investigated by observing the sorption and
reactivity of nitrous and nitric oxide in crystalline sorbents
(chabazite, mordenite, faujasite and the synthetic zeolite Ha-A)
and amorphous sorbents (porous glass,, Doucil, and silica gel). All
sorbents were outgassed for 24 hr at indicated temperatures, and
first characterized and compared by a study of oxygen and argon
sorption. The affinity between oxygen and the sorbent varied
according to the cation present* Nitrous oxide was sorbed much
more strongly than oxygen or argon so its sorption was studied
between -78 and 350 K„ Both chabazite and mordenite were effective
in bringing about the reaction 4N0 eguals N203, but intracrystallin<
nitrate and nitrite reduced the sorption activity of chabazite.
Disproportionation of sorbed nitric oxide was noted in the
reactivity of sorbed nitric oxide towards oxygen. Findings
indicate striking differences between zeolites acting as
disproportionation catalysts and the relatively feeble catalysts
observed with siliceous gel sorbents. It was concluded that
an intracrystalline environment promotes reactivity.
13U07
Gehlen, Heinz
ON THE REACTION AND PROPERTIES OF NITRIC OXIDE AND ITS C0HP0UHDS.
II. STUDIES OF THE SALTS OF NITRIC OXIDE-SULFORODS ACID. (Oeber
Reaktionen und Eigenschaften des stickoxyds und seiner
Verbindungen, II. Hitteil.: Zur Kenntnis der Salze der
stickoxyd-schwafligen saeure.) Text in German. Chen. Ber.,
65:1130-11*10, 1932. 19 refs.
While the alkali salts of nitric oxide-sulfucous acid, e.g.
K2S04.N20 (2H0NHSO3K plus 2KOB plus 0 yields K2SOU.N20 plus K2S03
plus 3H20), had been studied in detail, the corresponding heavy
metal salts could not be obtained. But the reaction between
heavy metal salts and K2S04.N20 yields double salts, some of
which are described here. The salt K2S04.N20 was prepared by
the reaction of nitric oxide gas with potassium sulfite. A
1232
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
reaction of this alkali salt with zinc sulfate produced
KlZn (S04# N20) 3.. Similarly, KUCo<(S04,N20) 3, K4Hn(S0<»,N20) 3, and
K2Cd{SCH,N2oj2 were obtained. The coloration of aqueous solutions
of these double salts indicates complex formation. Addition of
sulfuric acid destroys the color, while K2SC4.N20 restores it.
The decomposition temperatures were determined. The chemical
analysis of the four double salts is briefly described. The
thallium salt T12S04.N20, was also prepared. The absorption
rates of nitric oxide on the sulfites of thallium, lithium,
sodium and potassium were also studied, and no differences in
the rates were found. The homologous compounds, i.e., the
selenites and tellurites, cannot absorb nitric oxide in alkaline
solution. It is proposed that the easy and complete decomposition
of K2SQU.N20 be used for the preparation of N20. Nitrous oxide
was determined by the explosion method after mixing with hydrogen.
13108
Williams, Harry D-
CELLULOSE SOLUTIONS IN DIHETHYI SULFOXIDE AND NITBOGEN EIOXIDE.
Du Pont De Nemours
-------
solid» Characteristics associated with activity appear when the
specific surface of a solid is at least t square meter/gran. The
surface contributing to the activity of the solid is the whole of
that surface which is accessible to the molecules of the
substance that is interacting with it. The methods of preparing
active solids are aimed at developing large surface areas and
producing an increased concentration of lattice imperfections.
Tine grinding is the most obvious way of attempting to increase
the area of a compact solid. The converse process is condensation,
where the particles of the active solid are produced by aggregation
of the ions, atoms of molecules of the parent substance; this nay
be accomplished by precipitation from solutions, condensation from
the vapor phase, or in the preparation of evaporated metal films.
The active solid will tend to lose its activity as soon as it is
forned, essentially by a process of sintering. All the correct
conditions required for preparing a solid, including time and
temperature of heating# suitable starting materials, and the
presence or absence of impurities are not yet known.
13415
Haseba, S., T. Shimose, N» Kubo, and T. Kitagawa
NITRIC OXIDE EXPLOSION. Chem., Eng. Erogr., 62 («): 92-96 , April
1966. 8 refs.
A method was found to analyze low-concentration hydrocarbons
assumed to have contributed to an explosion in the second heat
exchanger of a nitrogen wash unit. Acetylene, 1,3-butadiene, and
aliene existed in the crude gas in the order of 2 to 3 ppti, 0.2
to 0.5 pp», and 0.2 to 0,3 ppn, respectively. Nitric oxide was
detected at concentrations in the order of 0.005 to 1 ppn through
oxidation with permanganate and sulfuric acid, followed by
calorimetric detection with the Griess-Saltznan reagent. Findings
showed that more than 90* of NO entered the unit accumulated in
the second heat exchanger, most of it oxidized to nitrogen dioxide
and nitrous anhydride, which is more reactive with hydrocarbons
than !10« Expedients confined the possibility of spontaneous
ignition in the second exchanger and the composition of reaction
products between nitrogen and conjugated dienes, An adsorption
process is now used to remove NO, in which Na2Cr02 or C12 are added
to the wash-water circuit.
13H17
Spealman, M. 1. and V. H. ftodebush
THE REACTION CP SOME OXIDES OP NITHCGEN WITH ATOMIC OXYGEN AND
NITHOGES- J» Am. Chem- Soc. , 57(8):1H7U-14 76, Aug. 1935. 6 refs.
Laboratory observations of the reaction N02 plus 0 equals NO plus
02* indicated a reaction probability of .00001 per collision at
<10 deg„ The reactions N plus N02 eguals 2N0, and N plus NO eguals
H2 plus o are shown to be fairly rapid. It is further reported that
the reaction VO plus 0 equals No2 probably takes place Jby
triple collision, and is accompanied by an oxygen afterglow.
1234
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
13448
Beattie, I. R. and S. H. Bell
DISITHOGEN THIOXIDE. 1. STABILITY IN THE GASBOOS PHASE.
J. Chen. Soc., p. 1681-1666, 1957. 9 refs.
By leans of an all-glass apparatus, where all possible greases
either reacted with or absorbed nitrogen oxides, the eguilibriun
between nitrogen dioxide, dinitrcgen tetroxide, nitric oxide,
and dinitrogen trioxide was studied in the gas phase at 5, 15, 25,
35, and 45 deg. The eguilibriun constant at each tenperature
was deternined over a wide concentration range, so thernodynanic
constants can be obtained by extrapolation to zero pressure.
Variations occurring in k2 were attributed to non-ideality of the
gases, sorption, or variations in kl. Extrapolated values of k2
at various tenperatures, obtained by the least sguares nethod,
yielded a value of 9527 plus or ninus 96 cal/nole for the heat of
reaction. The corresponding entropy change for the reaction was
33.25 plus or ninus 0.35 cal/nole/deg.
13452
dough# P.. B.. and E« A. Thrush
FORMATION OF VIBRATIONAL!.! EXCITED K20 ID THE REACTION OF M ATOMS
WITH M02. Discussions Faraday Soc., No. 44:205-207, 1967. 7 refs.
nitrogen dioxid« was added to active nitrogen fro* a sicrowave
discharge to learn if vibrational excitation characterized the
newly foraed bonds of th« polyatomic reaction products *20 plus
0 plus 42.4 kcal« It 0.5 an, Bg, eiiasion of vl plus v3 and v2
plus v3 was found* but at 0.0S u Hg the intensities of bands
involving v1 and v2 were found to be greatly reduced relative to
those Involving only v3, demonstrating the collisional
redistribution of energy fro v3 to vl and v2. Ilhen total pressures
were raised* there was no evidence of either 2v3 or v2 plus v3f and
it was concluded that less than 10% of the nolecules forned with
stretching vibrational energy have any excitation of v2« The
failure to detect excitation of the bending vibration v2
suggests a "repulsive" type of surface where the energy is
released during product separation.
13454
Dunnicliff, B. B., Sardar Sohaaaad, and Jai Kishen
THE INYE1ACTIOI BETSEEI MIRIC OXIDE AMD HIDRCGES SOIPHIDE IN THE
PRESENCE 07 RITER. J. Phys. Chen- Vol. 34:1721-1734, 1931,
18 refs.
The reactions of nitric oxide and hydrogen sulfides in th« pt«»«nc«
of water* annoniua nitrite, an«Qni«*< sulfide, or snnoniun
M. Basic Sclmci and Technology
-------
thiosulfate were studied and their products were determined and
measured.. Nitric oxide reacted with hydrogen sulfide solution
giving ammonium nitrite, ammonium thiosulfate, sulfur, nitrous
oxide, and nitrogen. An ammonium sulfide solution was decomposed
by nitric oxide to give polysulfides of ammonium and snail amounts
of ammonium thiosulfate and nitrous oxide and nitrogen were
evolved.. Excess of the reducing agent gave pure nitrogen, but
excess of the oxidizing agent increased the yield of nitrous
oxide. Saturated hydrogen sulfide solution completely reduced
nitrous oxide to nitrogen and ammonia, and slowly converted
ammonium nitrite into ammonia and small amounts of nitrogen..
Nitric oxide slowly converted dilute solutions of ammonium
thiosulfate into ammonium sulfate and nitrogen.
13457
Hartree, E. F.
A COHPARISOH OF HORSERADISH PEROXIDASE ADD HANG At) ESS IONS AS
CATALYSTS FOB THE OXIDATION OF DIHYDROXYFUHARIC ACID. Biochem.
J., Vol.. 107:581-5e3, 1968. *25) refs.
With horseradish peroxidase as catalyst tbe main product was
dihydroxytartrate, but small amounts of glycolaldehyde, mesoxalic
semialdehyde, mesoxalate and possibly glyoxal were also formed*
Catalysis by Mn(2I) gave rise only to mesoxalate and oxalate.
When oxygen uptake was followed by a manometric method, the rate
of the peroxidase-catalyzed reaction was proportional to oxygen
concentration and marked inhibition by cyanide was obtained only
at low buffer concentration. The catalytic effects of peroxidase
and Mn(2I) were almost always additive. Chelating agengt inhibited
the tin (21)-catalyzed reaction, but had either no effect or a
slight accelerating effect on tbe peroxidase-catalyzed reaction.
It is concluded that fin (23) does not function as confactor in the
peroxidase-catalyzed oxidation. (Author abstract modified)
13U8«
Kleinert, Theodor N.
STABLE FREE RADICALS IN VARIOUS IIGHIN PEEPARATIONS. Tappi, 50(3):
120-122, March 1967. 23 tefs.
Electron spin resonance (ESR) spectra of lignin preparations
isolated from spruce wood by various methods, and of a few synthetic
lignin-like polymers produced from coniferyl alcohol by enzymatic
dehydrogenation or mild oxidation, were recorded and compared. The
specimens exhibited single-line signals (first derivatives) without
noticeable fine-splitting. However, the amounts of stable free
radicals present, as indicated by tbe signal areas, varied,
probably indicating differences in the stabilizing capacity of
lignins prepared by different methods. At room temperature, no
significant changes in the 1SB spectra were observed when the
specimens were stored for extended periods of time. Apparently,
1236
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
the presence of stable macroradicals or free-radical centers in the
specimens, as indicated by the ESB signals, is evidence that free
radical reactions have taken place during the specimen preparation.
(Author"s abstract modified)
13U89
Gordon, A. R.
THE EH EE ENERGY OP SULPHOfi DIOXIDE. <3. Chen. Phys. , 3{6):336
337, June 1935. 25 refs.
The heat of formation of S02 from diatomic sulfur and oxygen was
calculated from the calorimetric beats of formation of sulfur
dioxide and hydrogen sulfide. The free energy for S02 formation
at 289.1 k was determined. Equilibrium constants for the
reactions 1/2S2(g) +02 = S02, and SO + 1/202 = S02 are
tabulated for the range 298.1 tc 2800 k. (Authors abstract
modified)
13503
Glick, H. S»„ J. J. Klein, and N.. Sguire
SINGLE-PULSE SHOCK TUBE STUDIES CF THE KINETICS OF THE REACTION
N2 PIUS 02 YIELDS 2N0 <2NO YIELDS N2 PLUS 02) BETWEEN 2000-
3000 K„ J. Chem. Phys.., 27(4}:85C-857, Oct. 1957.
The design of combustors for jet engines, the calculation of
the properties of hypersonic flow fields, and the modification
and improvement of chemical processes are among the problems
reguiring data on high chemical reaction kinetics.. In the
single-pulse shock tube method, developed at the Cornell
Aeronautical Laboratory for processing a reactant gas sample
with a single closely controlled, high temperature reactant
gas, data on high temperature kinetics is obtained by analyzing
•debris" produced by the high-temperature pulse. The kinetics
of nitric oxide formed is the temperature range 2000 to 3000 K
vere studied, using krypton, argon, and a mixture of argons-
helium as diluents. The variation observed in the apparent
activiation energy for k2 with different diluents indicated
that the bimolecular mechanism is not dominant. When experiments
were performed at constant room temperature (2580 K), it was
observed that k2 varied as the inverse square root of the
concentration of air. When an oxygen nitrogen mixture was
used at a constant reaction temperature of 2500 K, the k2 varied
inversely with the sguare root of the molecular oxygen
concentration parallel Zeldovicht's findings. The rate-
determining step in the chain is: 0 plus N2 yields HO plus N,
with deltaH2500 deg equals 75.8 keal/mole. The reactivation
energy for this step is 74 plus ot minus 5 kcal/mole.. The
collision cross-section is 10 to the minus 16 power sg cm,
which corresponds to a steric factor of about 0.05..
M. Basic Science and Technology
1237
-------
13528
Michailova, E.. A.
THE KINETICS OP THE REACTION BETWEEN AMMONIA AND NITBIC OXIDE ON
THE SUBFACE OF A PLATINUM FILAMENT- Acta Physicochinu USSR,
10 |5): 653-676, 1939.. 16 refs.
Ammonia and nitric oxide vere circulated in a closed system at
pressures close to 2 cm Hg at 500-530 K. At higher temperatures,
self-heating of the platinum wire occurred. Water formed during
the reaction was absorbed with potassium hydroxide and partially
frozen out with dry ice.. The data obtained on kinetics led to the
following hypothesis for the reaction mechanism: both reacting
gases are well adsorbed on a platinum surface free from adsorbed
oxygen; the reaction proceeds between the molecules adsorbed on
neighboring elementary spaces, while the reaction products
(nitrogen and water) are not adsorbed. The reaction velocity is
independent of the pressures of each gas but dependent on the
ratio of the pressures. It reaches a maximum at a definite
ratio cf the pressures of both gases. Hith equivalent amounts of
the gases present, it is constant for the first 50 min- The
apparent activation energy for the reaction is 2U.8 Kg cal.
13530
Ayen, P. J. and H. S- Peters
CATALYTIC SEDUCTION OP NITBIC OXIDE. Ind. Eng. Chew.., Process
Design Develop., 1(3):204-207, July 1962. 9 refs.
The reaction between nitric oxide and hydrogen was studied at
375,«00 and 425 C and 0.005 to 0.05 atm. Temperature measurements
vere made with thermocouples and a potentiometer. Two important
reactions were noted: One mole of nitric oxide and one mole of
hydrogen form one mole of water and one-half mole of nitrogen in
an equilibrium reaction, and two and one-half moles of hydrogen
and one mole of nitric oxide fcrm one mole each of water and
ammonia in an equilibrium reaction. Mechanisms were developed for
these reactions, and rate and adsorption constants were evaluated
ftom the data for the corresponding rate equations. The
controlling mechanism for the first reaction is the combination
of one mole of each adsorbed reactant to form water and atomic
nitrogen, either directly or through intermediate steps. Hydrogen
dissociation appears to be the controlling mechanism in the
second reaction. The study's implication for smog-control programs
is suggested.
13533
Tandy, G» H.
THE BOLE OF ALKALI SOLPfiATES IB VANADIUM CATALYSTS POP SULPHUR
DIOXIDE OXIDATION. J. Appl. Chen. (London), 6:68-74, Feb. 1956.
5 refs.
1238
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
The chemical composition of alkali metal sulfates-vanadium oxide
mixtures in equilibrium vith sulfur dioxide-sulfur trioxide air
mixtures was investigated. Gas mixtures were prepared from a 5%
S02-95* air mixture, the ratio of SC2 to SOB being maintained at
the equilibrium value corresponding to the temperature of each run.
Experiments vere carried out vith nixtures of V205 and one alkali
metal sulfate (Na, K* Rb, or Cs) at 380-600 deg- From 440 to 600
deg a liquid is formed consisting of vanadium compounds dissolved
in an alkali pyrosulfate-sulfate fixture, the melting point of
the mixture decreases vith increasing atomic weight of alkali metaj
used.. The level of reduction in the 7205 remains fairly constant
from 550-480 deg in the Na2S04 mixture, from 440-600 in the
K2S04 mixture, and from about 410-520 deg in the rubidium and
cesium sulfate mixtures. Belcv these temperatures there is a
marked increase in the extent of reduction of sodium, potassium,
and cesium. Thus potassium is more effective in stabilizing the
vanadium in the pentavalent state than sodium. Rubidium and
cesium are even more effective.
13540
AFplebaum, David, Paul Harteck, and Bobert B. Beeves
THE CHEBIIUHINESCEKT HO—O-ATOH REACTION- Photochem..
Photobiol.., 4(6):1003-1006tf 1965.. 8 refs.
Rev experimental data gave further information on the mechanism
for the cheniluminescent BO—O-Aton reaction. Fesults vere
obtained for the change of esission intensities from 10 to
300 microns pressure. Some studies vere also made on the
effects of Ar, C02, He, H20, 02, and CF4 as third bodies*
The results support a simple tvc body recombination
for the mechanism of light emission: NO plus 0 equals H02
plus energy.
13545
Jordan, C. V., K L« Ward, and «. H. Fulveiler
GOH DEPOSITS IK GAS DISTRIBUTION SYS1EHS„ VAPOfi-PHASE GUM
(CONTINUED). Ind. Eng. chem., 26(10):1028-T038, Oct. 1934.
10 refs.
A study of the effect of the vapci-phase gum accumulating on
the adjusting needles of gas pilot lights shoved that the amount
of gum required to extinguish an ordinary pilot light is
0»000065 g and that the gum is produced by the catalytic
oxidation of nitric oxide to nitrogen peroxide followed by the
reaction of the peroxide vith unsaturated hydrocarbons.
Freedom from the vapor-phase gum can be assured only vhen the
quantity of nitric oxide is on the order of 0.000005X or lover
by voluae. Since combustion products are the principle source
of nitrogen oxides# the formation of vapor-phase gum can be
controlled at its source. A suggested method of reducing
M. Basic Science and TechnoJoty
1239
-------
nitrogen oxides is to reduce the negative pressure on retorts
or ovens and to purge combustion products in water-gas sets,
thereby producing a blue gas containing less than 31 total
nitrogen. Methods involving oil scrubbing and steam spraying
had no appreciable effect on nitric oxide.
135U6
Stoddart, E. H»
THE RSUCTION OF PHOSPHOfilC ANHYDRIDE WITH NITBOGEN DIOXIDE MID
WITH NITRIC OXIDE. J. Chem.. Soc., p. 1159-1461, 193B.
It was shown that nitrogen dioxide and phosphoric anhydride
react at 250 deg to form a glassy compound, P205.2N0, with
the liberation of oxygen. The compound P205.xN02, previously
identified by Smith (J. Chen. Soc., 1928:1806), does not
appear to exist. It is clear that when Smith treated his
material with water, nitric oxide was evolved but not noticed,
in the reaction P205..2NO plus H20 yields 2HP03 plus 2NO, and
this gas reacted with the cxygen present to give the brown
nitrogen dioxide. The confound P2O5..2N0 is also formed by direct
union of nitric oxide and phosphoric anhydride. The observations
are important in considering the influence of intensive
drying on the reaction between nitric oxide and oxygen.
13558
Garrer, Richard fl» and William E. Addison
DISPROPOHTIONATIOS OP NITBIC OXIDE USING CRYSTALLINE ROUTES AS
CATALYSTS™ (Union Carbide Corp.,, New York, N. Y.) U.S. Pat.
2,853,365. 7p.., Sept., 23, 1958. 1 ref. (Appl» Feb., "7, 1955,
12 claims.,)
A process for disproportionating nitric oxide to form nitrous
oxide and higher nitrogen oxides is presented. The nitric oxide
is absorbed by partially dehydrated zeolite crystals at a
temperature below o C. At this temperature, the nitric oxide
is decomposed to nitrous oxide and nitrogen peroxide. At 150 C
the nitrous oxide is liberated and the nitrogen peroxide forms
nitrogen dioxide and nitric oxide. Nitrogen dioxide is liberated
by heating the 2eolite crystals to 200 C.
13559
Caudle, P.. G. and K« G. Denbigh
KINETICS OP THE ABSORPTION OF NITROGEN PEROXIDE INTO NATES AND
AQUEOUS SOLUTIONS. Trans Faraday Soc., 49:39-52, 1953. 9 refs.
Experimental measurements were made on the rate of absorption of
nitrogen peroxide into water and aqueous solutions of sodium
1240
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
hydroxide and calcium chloride.. The absorption speed was
determined as a function of the gas composition, the gas and
liquid flow rates, and the temperature. Over a large range of
conditions it is found that the absorption rate is a linear
function of the concentration of N204 in the gas phase. This
indicates that the speed of the process is determined by the
chemical reaction of N204 with water, and not by diffusion. In
order to explain the effect of gas and liquid flow rates some
tentative new ideas are put forward which represent a departure
from the traditional "two film** theory. It is suggested that, at
any moment, the whole of a gas-liguid interface is not equally
active in absorption, and that the activity of any part is
determined by the local conditions of eddying and mixing which,
in turn, depend both on the gas and liquid flow rates. Attention
is also drawn to the phenomenon of rippling at the interface.
(Authors11 abstract modified)
13561
Chambers, F.. S.r Jr.. and T. K. Sherwood
ABSORPTION or NITROGEN DIOXIDE B* AQUEOUS SOLUTIONS. Ind„ Eng.
Chem., 29: 1415-1422, 1937, 24 refs.
The significance of diffasional resistances in the absorption of
nitrogen dioxide by water and aqueous solutions of nitric acid or
alkali was studied. Nitrogen dioxide was absorbed from a mixture
in nitrogen using basic solutions varying from 2.7 to 34.1% NaOH
and acid solutions varying fret 5.7 to 69.8* HN03. Similar tests
were carried out in a wetted-wall tower and in a batch absorption
vessel. The observed absorption rates for N02 were compared with
corresponding evaporation rates of water in the same apparatus.
The rate of absorption was greatest for pure water, and much less
in strong acid or basic solution. The gas film diffusional
resistance was the controlling factor in absorption rate.. The
results are explained by the hypothesis of reaction in the gas
phase, with the deposition of a nitric acid mist in the gas film.
New data are presented on vaporization of water, desorption of
ammonia from agueous solution absorption of ammonia by water and
acid, and absorption of sulfur dioxide by base in the vetted-wall
toner.. {Authors" abstract modified)
13564
Johnston, Harold S. and Harvey J. Crosby
KINETICS OF THE PAST GAS PHASE REACTION BETWEEN OZONE AND NITRIC
OXIDE.. J. Chem. Phys„, 22(41:609-692, April 195ft. 7 refs.
The rate of reaction between ozone and nitric oxide vas measured
optically at -43 and -75 deg. A diagram of the apparatus was
provided. The stoichionetry of the reaction was established with
reactant concentration and temperatures (-45 deg to room
temperature) higher than those used for rate studies. Under those
M. Basic Science and Technology
1241
-------
conditions, the rate would have been too fast to follow. The
reaction was a very fast second-order process, and the reactants
and products were simple tcleccles of well-known kinetic
properties. The mechanism was bimoleculari SO plus 03 yields NQ2
plus 02. In view of the low activation energy for this reaction,
it was compared to other similar bimolecular processes which have
higher energies of activation* There appeared to be no systematic
difference in pre-exponential factor between the fast and the slow
reactions.
13571
Faster, E. Gordon and Partington Daniels
RECOVERY OF NITFOGEN OXIDES BY SIIICA GEL. Ind. Enq» Chem..
*~3(1) : S86-992, April 1951„ 10 refs..
Work was undertaken to develop an economical process for
the recovery of the 1 to 1„5X nitric oxide produced by a
thermal process for the fixation of atmospheric nitrogen
which was developed at the University of Wisconsin* Basic
data are presented for the dehydration and adsorption steps
of a recovery process involving cooling of the product gas
from the fixation furnace in a spray tower, dehydration of
the gas in silica gel dryers, catalytic oxidation of the NO to
N02, and N02 concentration by adsorption on and desorption
from silica gel. A method for correlation of the rate of NO
adsorption on silica gel was of great interest. The effects
of silica gel depth, temperature, particle size, and gas velocity
on rates of adsorption are described. Diffusion of the
adsorbed HO into the solid adsorbent way be the rate-
controlling step.
13579
Barker, Baurice £»
CATALYST. 0. S. Pat„ 1,916,21(9.. 3p.., July 4, 1933„ (Appl..
Sept., 5, 1928, 4 claims) .
The invention comprises the forvaticn of alloys of copper, iron,
and manganese; copper and manganese; and copper and iron,
and the treatment of the alloys to produce the desired catalysts.
A catalyst in the form of a porous spongy mass can be obtained
by either oxidizing the cast alloy until all exposed surfaces
are covered with a coating of the porous mixture or treating
the alloy with chlorine gas, hydrochloric acid, or nitric
acid and calcining the substances formed. A catalyst in the
form of a mixture of oxides can also be prepared by chemical
treatment and calcination. If preferred, alloys may first te
ground to granular or powder form, iron and copper alloys have
been found to convert carbon monoxide into carbon dioxide at
low temperatures and to accelerate the oxidation of sulfur
to sulfur dioxide. The addition o£ manganese is suggested to
accelerate the oxidation of carton and sulfur oxides into
higher oxides.
1242
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
13633
Gehlen, Heinz
OB REACTIONS AND PROPERTIES OF NITRIC OXIDE AMD ITS COHPOUNDS.
I. OS THE REACTION BETWEEN NITRIC OXIDE AND SODIUM HYDROSUIFITE.
(Oeber Reaktionen and Eigenschaften des stickoxyds und seiner
Terbindungen, I. Hitteil.: Obex die Einwirkung des Stickoxyds auf
Natriumhydrosulfit.) Text in German. Chea.. Ber., 64:1267-1276,
1931. 20 refs.
The method of Jellinek for preparing pure sodium hydrosulfite
has been improved. By this simple laboratory process, 98.51 pure
Na2S204, free of chloride, can be obtained.. Commercially
available Na2S204 can be purified without elaborate filtering*
The process is described in detail, including all vet chemical
checks for parity. One mole of Na2S204 in aqueous solution
absorbs 4.31 moles of NO. The chemical reactions taking place
are: Na2S204 plus 6N0 plus 2NaOH yields Na2S03., N202 plus Na2S04
plus 2N20 plus H20; and to a lesser degree, Na2S204 plus 6N0 plus
2NaOH yields 2Na2S03.N202 plus K2C Flus H20.
13640
Reysig, T. A., S- A. Stadnik, and G- 11. Shchegolev
HIGH-TEMPERATORE FIXATION OF NITROGEN OXIDES. (K voprosu o
vysokotemperaturnoy fiksatsii ckislov azota). Text in Russian.
Khiou Vysokikh Energiy. 1(6):567-591, 1967. 12 refs.
Results of numerical solution to a system of kinetic equations
describing the change in state of dissociated air as a function
of change in temperature and cooling rate are presented. These
results ace in good agreement Kith experiments. A method is
given for obtaining from calculated data a law of cooling for
No-containing dissociated gases (especially air] which assures
maximum hardening (irreversible freezing of reacting gas
composition) of nitrogen oxides. The effectiveness of using the
slot heat exchanger in plasmochemical processes is demonstrated.
13671
Razumovskii, 5. D., A. 1. Buchachenko, A. B» Shapiro, E. a.
Rozantsev# and G. E. Zaikov
THE FORMATION OF 8ITS0XTL RADICALS IN THE REACTION OF MINES KITH
OZONE. Dokl. Chem., Proc» Acad. Sci. OSSR (English Tcansl.J,
183(4-6) :1086-1089, Sec. 1968. 9 refs..
It was shown experimentally that nitxcxyl radicals are
intermediate products in the reaction of ozone with secondary
amines* The radicals were identified by electron spin
resonance and thin-layer chromatography. The radicals were
M. Basle Science and Technology
1243
-------
capable of further reacting with czcne, whereupon they were
converted to non-radical products which did not react with ozone.
The kinetics of the accumulation and consumption of nitroxyl
radicals and the content of ozone in the effluent gas frcn the
reactor during the interaction of N-phenyl-N-isopropyl-p-
phenylenedianine were studied. Cther amines studied were
dipfcenylaaine and derivatives of oxopiperldine, hydroxypiperidine,
butylaniline, and quinoline. It was found that the accumulation
of nitroxyl radicals begins in the early stages of ozonation,
at which point the rate is maximum. The reaction showed a low
activation energy. The reaction mechanists is given in a scheme,
based on the experimental results- It was concluded that the
first stage of the reaction is formation of the nitroxyl radical,
the concentration of which depends on the ratio of the rates of its
formation and consumption. In seme cases, a quantitative yield
of the radical with respect to the amine can be obtained. The
previously proposed reaction scheme should be modified to
include stages in which nitroxyl radicals are formed and
destroyed..
13683
Kobe, Ken and L. L« Wikstrcm
CATALYTIC DECOMPOSITION OF NITROGEN DIOXIDE. Preprint, Am. Chem.
Socv, Pittsburgh, Pa., Div. Hater, Air Haste Chem., 268-273,
1963.. 11 refs. {Presented before the Div. of Hater and Haste
Chem., Am. Chem. See., Los Angeles, Harch 31 - April 5, 1963).
Studies on the catalytic decomposition of N02 in N2 and in air
were carried out with CuO- and CeC2-alumina catalysts at 301 to
520 C at gas space velocities ranging from 1400 to 11,200/hr.
Hith CuO-aluaina catalysts and initial N02 concentrations of
1260 ppm, 99% of the N02 was dissociated to NO, N2, and 02. At
higher flow rates, the conversion varied linearly with the gram
weight of the catalyst per flow rate of the reactant in moles
per sec, indicating that the rate of dissociation of both N02
and total nitrogen oxides is zero order. At lower flow rates,
the conversion approached a constant value. Specific rate
constant values were determined for different temperatures,
activation energy, and frequency factor of zero order reactions..
At a given temperature, flow rate, and initial concentration,
the conversion of N02 to N2 and 02 in air was less than in N2.
No distinct reaction order fits the data obtained for this
reaction. Ce02 was nore active than CuO between 480 and 520 C,
but less active below 480 C. It is assumed that the catalysts
selectively adsorbed N02 on active sites which were on the order
of 10 to the 11th power/sq cm.
1368U
Durau, Felix
THE ADSORPTION OF GASES ON SCDI0H CRIOFIBE AND AQUEOUS SODIUH
CKlCBItl SOLUTION. |Ubet Adscrpticn von Gasen an
Natriumchlorid und wassriger Natriumchloridlosung). Text in
German. Ann. Physik, vol. 87:307-384, 1928. 10 refs.
1244
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Adsorption of 12 gases on NaCl was studied. For this purpose*
NaCl was carefully cleaned and degassed- The liberated gases
vere analyzed and the NaCl was pulverized in a nitrogen
atmosphere. The measurements were taken at pressures below 0.4
ntn with a MacLeod gauge and at atmospheric pressures by
volumetry. The adsorpticn isctherns of N2, H2„ C02» 02, and NO
on non-heated NaCl were determined, followed by studies of the
N2 and C02 adsorption on NaCl degasses at 480 C„ Strikingly,
adsorption of C02 decreased instead of increasing as had been
expected- This can be explained by changes of the surface
properties. The surface properties were studied in detail by
heating pulverized NaCl in C02, 02, H2, and N2 and by treating
it with water vapor. By observation of the saturation pressure
of concentrated NaCl solution in the water vapor experiments, it
can be concluded that an agueous solution forms around the
individual NaCl crystals, but cnly part of the surface of this
solution adsorbs. iith 02r it was observed that adsorption on
the solution was irreversible, which explains why it is so
difficult to rewove water vapor from the surface. In the
adsorption of all other gases except water vapor, not even a
ifonomolecular layer formed on the surface. Due to the
reversibility of the processes observed with most of the gases,
it can be concluded that only adsorption took place without
diffusion- Adsorption increased with the boiling point of the
adsorbed gas. Adsorption of CO was higher and car be explained
by its dipolar character. Adsorpticn is caused by van der Waal
forces and amplified by the dipolar properties of the adsorbed
gas., lattice defects cause higher adsorption owing to their
higher energy..
13685
Ganz, S.. N„ and 1. I. Hacon
KINETICS OF FILM ABSORPTION OF NITROGEN(II) OXIEI EY FESOft
SCXUTICNS.. (Kinetika pleticchncy absorbtsii okisi azota
rastvorami FeS04)„ Text in Russian. Zh. Prikl. Khim«, vol. 30:
36S-37S, 1957. 5 refs.
The kinetics of film absorption of DO by FeS04 solutions was
studied experimentally in crder to establish the nature of the
driving forces of the process as a function of change in sorbent
concentration and partial pressure of the absorbing component.
It vas found that at relatively low concentrations of NO in the
gas and a gas flow speed of 0.1-1 s/sec, the NO absorption
coefficient increases as the 0.6 power of the gas speed. The
total absorption coefficient may be taken egual to the partial
coefficient (Kg) along the gas film, since the resistance o£
the latter is the process-limiting factor. An empirical kinetic
eguation expressing Kg as a function of the gas Reynolds number
is given in dimensionless form and is suitable for designing
industrial absorption eguipment.
13688
Ganz, S. N. and M« A. Lckshit
EFFECT OF BASIC PHYSICOCHEBICAL FACTORS ON RATE OF ABSORPTION OF
M. Basic Science and Technology
1245
-------
SITFOGEK OXIDES BY A SOLUTION OF CALCIUM H3fDHOXIDE IN
MECHANICAL ABSOPBEPS HITH A LARGE MDMBEF OF ROTATIONS. PART II.
(Vliyaniye osnovnykh fizikckhiiicheskikh faktorov na skorost"
absorbtsii okislov azota rastvorom Ca(OH}2 v mekhanicheskikh
absorberakh s bol'shin chislct cbcrotov. Soobshcheniya II) .
Text in Bussian. Zh« Prikl,. Khint., 30 (10) : 1525-1535. Oct,
1957,, 6 refs.
Hew data on the effect of basic physicochemical factors on the
rates of SO, N02, and H203 absorption by Ca(QH)2 solution are
presented. It is established that: absorption rate decreases at
temperatures above 45-50 Cj an increase in concentration of
nitrogen oxides under the hydrodynamic conditions studied leads
to acceleration of the absorption process; in the absence of
nitrite-nitrate salts, a change in CaO concentration has
practically no effect on process rate; in all cases an increase
in concentration of nitrite-nitrate salts reduces the
absorption rate, an increase in CaO concentration retarding the
decrease in absorption rate in this case. It is established
that absorption of H203 and S02 proceeds at practically the
sane rate under turbulent conditions. Preferential accumulation
of nitrate salts in the solution indicates rapid oxidation of
NO to 802 taking place in the liquid phase and the occurrence of
an inversion process under the experimental conditions used.,
13692
Morawietz,
THE THEHMAL OXIDATION OF IRON SULFIDE WITH SOLFUP EIOXIBE TO
IIE8ENTABY SDLFDtU (Die thermische Oxydation von Eisensulfid nit
Schwefeldioxyd zu Eleaentarschvef el) „ Text in German'. Z.
Elektrochea., 57 (7);539-5#8, 1953, 11 refs.
Under the influence of S02 and at higher temperatures, pyrite
splits off its sulfur in two steps. The first step is a thermal
dissociation. The monosulfide which is formed in this process
is oxidized to magnetite in a second step. To determine the
equilibrium of the oxidation of FeS with S02, a sample hung frov
a scale by a quartz thread was exposed to S02 whose partial
pressure was regulated by adding nitrogen. The quart* glass
vessel in which the reaction took place was heated and the
temperature was measured by a thermocouple. The scale had a
sensitivity of 0..1 mg and could be loaded with a jnaximuw of 200
g. The experiments were performed with temperatures of 620,
720, 820, and 920 C and with SQ2 partial pressures of 0.9, 0.,5,
and 0.1 atm. For equal S02 partial pressures, the S2 partial
pressures yield an almost straight line. Also, the values for
the reaction equilibrium yield a straight line at equal S02
partial pressures. At 0.5 and 0..9 atm S02 initial pressure,
these values are almost the same at equal temperature- At 0..1
ata, however, they are considerably saaller„ The reaction speed
of the oxidation of FeS in the presence of S02 is measured on
spheres of synthetic FeS» It is determined by the diffusion
speed in the pores of the nagnetite forced. From the spherical
analogue of Fick"s first law, a measured diffusion constant is
obtained which agrees well with the theoretical constant
computed with a mathematical model and molecular kinetic data-
1246
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
13719
Siedlewski, J„ and s. Trawinski
THE HECHASISH OP CATALYTIC OXIDA1ICH OK ACTIVATED CABBON. THE
INFLUENCE OF T8E CONCENTRATION CI FBEE CARBOR RADICALS- Intern.
Chesu Eng., 5(2):289-292, April 1965.. 8 refs.
The aechanisa of the processes taking place on the surface of
activated carbon during the catalytic oxidation of H2S and S02
was investigated. The influence of the concentration of free
radicals in the carbon on the adsorption of H2S was studied.
All the investigated sasples of carbon, regardless of the
tesperature at which they Here prepared, adsorbed the same
quantities of H2S at an adsorbate pressure of 760 mm Hg. Carbons
containing higher concentrations of free radicals adsorbed
considerably nore H2S than those with lower concentrations at
lower pressures. This indicates that the radical active centers
are filled first by the adsorbed substance and are more active
than the rest. The nusber of free radicals on the surface of
the carbons did not change as a result of the adsorption of
H2S. This indicates that no process connected with the cleavage
of the bonds in the adsorbed solecules takes place during the
adsorption.
13781
Boss, lu U.
THERHOEOAHICS OF S01PHU8 DIOXIDE C0HVEBSI0M TO SULPHUB TBUOXIDE.
Sulphur* no„ 65:37, Aug.,/Sept* 1966. i> refs,.
The heat, free energy, and equilibrium constant for the
conversion of sulfur dioxide to sulfur trioxide were cosputed
and given in a table. Sulfur trioxide data were obtained by
computations based on the experinental frequency assignments
of Lovejoy* et al. Data on sulfur dioxide and oxygen were
obtained from the JAHAF tables. The values computed at intervals
of 100 K were fitted to an orthogonal polynoaial interpolation
function of degree eight and reconputed at 25 K intervals.
The results differed fro* these cf previous investigations by
nearly 20* for soae values of the equilibrium constant, although ;
agreement was good in the region of importance.
13786
Rota, s. and A. P» Krueger
AIB 101 EFFECTS ON IDTA-INDUCED BtEACHIKG IB GBEEN EAKLET iEAVIS.
Intern. J.Bioieteorol., 12|«>:33l-3#2, 1968. 11 refs.
i severe chlorosis or bleaching is observed in the leaf tissues
M. Basic Science aticf Technofeiy
-------
when green intact barley leaves are floated on the surface of a
solution of EDTA <0.05 H, pH 7„0) and exposed to light. This
EDTA-bleaching effect can be quantitated in terms of the tissue
content of chlorophylls a and b. The EDTA-bleaching effect is
weakened fcy exposing to either negative or positive air ions.
The addition of casein hydrolysate (2JI) also protects intact
green leaves against EDTA-bleaching. This protective effect
of casein hydrolysate is significantly augmented by either
negative or positive air ions. The leaf tissue content of
protochlorophyll is not uniformly affected by BDTA or air ions.
& hypothetical aechaniss involved in these phenomena is
proposed. (Author abstract nodified]
13822
Serdyuk* I. S» and A. G. Tatoachnikav
THEHHODYSAWIC PBOPEFTIES OP HITBIC OXIDE AT 200-2000 X ABD 1000
BAB.. (Termodinanicheskiye svcystva ckisi azota v intervale
tenperatur 200-2000 K i do davleniy 1000 bar). Text in Sussian.
Inzh. Fizo Zh.# 13<1):11ft-117# July 1967„ U refs*
A previously derived equation of state was used to calculate
nolar density, enthalpy,, and entropy for nitric oxide at each
100-deg interval from 200 to 1000 K and each 200-deg interval
from 1200 to 2000 K for 18 different pressures ranging fron
1-1000 bar. Three pages of data are tabulated.
13823
Pozin, H. Ye„, v. V. Zubov, 1. Ya. Tereshchenko, E. Ya.
Tarat, and Yu« 1, Panonare*
SOLUBILITY OF HITBIC OXIDE IS RATEB SOltJTIOBS OP CERTAIN SA1TS.
(Rastvorinost* okisi azota v vodnykh rastvorakb nekotorykh
soley). Text in Russian* izv. Vysshikh tJchebn. Zavedenii,
Khi#. i Khi*„ Tekhnol., 6(«):608-616, 1963. 16 refs.
Statistical aethods were applied to new experinental data on
the solubility of NO in water solutions of CuS04« CuCl2, HnSOA,
H3P04, Cosoij, NiS04. Cu2|HH3) nCl2, Sa2S03, FeSOU, and FeC12.
Baxinun BO solubility under absorption conditions was exhibited
by Na2S03, FeSOU, and ?eC12 solutions and aanonia solutions
of sonovalent copper, the process of SO absorption being
reversible in all cases except with sodiua sulfate. Solutions
of divalent iron salts and of sodiua sulfate are seen as
industrially iiportant SO absorbers. Eguilibriua of the SO - iron
salt solution systems at salt concentrations up to 20*305 was
studied for the temperature range of 10-90 C. An approximation
fornula for deteraining the eguilibriua constant for salt
concentrations greater than 0.7 g-aole/liter is presented.
Ncaogcaas for determining the MO equilibrium pressure in FeCl2
and FeS04 solutions ace plotted.
1248
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
13843
Mars, Pn and J« G.. H» Maessen
THE MECHANISE AND THE KINETICS CF SULFUR DIOXIDE OXIDATION ON
CATALYSTS CONTAINING VANADIOR AND ALKALI OXIDES., J. Catalysis,
10: 1-12, 1968.. 17 refs.
The oxidation of S02 on a sodium-potassium-vanadiu® catalyst
proceeds, as does that of S02 on a catalyst containing potassium
and vanadium, by rapid establishment of the equilibrium
S02 plus 2V (V) plus 02 yields S05 plus 2V(IV). The rate of the
reaction between oxygen and V(IV) is the rate-determining step
for the process* On the basis of this finding, a kinetic fornula
was derived for expressing the reaction rate. When it was checked
by means of isothermal and differential kinetic measurements
on both types of catalysts, the expression was found to describe
correctly measurements at 437 C and above. The values of both
reaction rate and egailibrium constants calculated from the
kinetic experiments are in good agreement with those derived
from analytical determinations. (Author abstract modified)
13889
Jaffe, Sigmund and Fritz S. Klein
PHOTOLYSIS OF N02 IN THE PRESENCE CP S02 AT 3660 A* Trans.
Faraday Soc.„ 62(521):2150-2157, Bay 1966- 16 refs.
Nitrogen dioxide was irradiated at 3660 A in the presence of
SG2» Quantum yields were measured as a function of 502 pressure,
and the specific rate constant for 0 plus SQ2 yields S03 was
determined. The ratio of rate constants for the proposed
reactions: S03 yields 0 plus S02 and S03 H yields S03 plus H*
was estimated to be 0..077 mole/1 by the combination of the results
of quantum yields with those of isotopic oxygen scrambling.
A simple, bimolecular dark reaction was also observed.
13894
ftixzoyeva, L„ N»
THERMODYNAMIC EQUILIBRIUM COMPOSITION AND THERMODYNAMIC
PARAMETERS OF NITROGEN-OXYGEN EIGH-TEMEEPATUBE REACTION
PRODUCTS. |Ter»odinamicheskiy ravnovesnyy sostav 1
termodinamicheskiye parametry produktov reaktsil
azotno-kislorodnykh smesey pri vysokikh temperatorakh). Text
in Russian. Izv. Akad. Nauk Aser. SSR, Ser. Fi». Tekh. i
Mat„ Nauk, no 6:70-75» 1967. 8 refs.
Using data from the literature, calculations of composition
and thermodynamic parameters were made for nitrogen/oxygen
ratios (Q) of 1:1 and 1:3 at 2000-6000 K and 1-10 at*. ReactioB:
M. Basic Selene® and Technology
-------
is assumed to take place in a plasma column containing a mixture
of N2, 02, NO* N, and 0. Maximum NO yield was found to occur
at about 3500 K for all values of Q. The following dependences
are plotted: HO molar fraction vs temperature at 1 atm for
both values of Q; SO molar fraction vs temperature with Q of 1
at 1-2 and 10 at»; enthalpy of ga£ vs temperature for Q of 1
and 1/3 at 1.2 and 10 ate; molecular weight of air and gas vs
temperature for 0 of 1 and 1/3 at 1.2 and 10 atm.
13895
fiozlovskiy, A.. I.
KINETICS AND MECHANISM OP NITBIC OXIDE DISSOCIATION. (Kinetika
i mefchanizm tazlozheniya okisi azota). Text in Hussian. Zh.
Fiz. Khim,., 30 (6):1349-1355, 1956.. 15 refs.
Dissociation of nitric oxide is catalyzed in the presence of
oxygen in amounts commensurate with NO content. An equation
describing the reaction kinetics for any oxygen content is
presented, observed regularities being subject to the formation
of reaction chains. Initial reaction centers arise through
equilibrium dissociation of oxygen at the reaction walls. Over
a wide range of experimental conditions, the reaction proceeds
with simultaneous chain and biaclecular mechanisms. Observations
indicate a constant rate for the biaolecular reaction. These
findings contradict those of other soviet authors requiring a
retardation of NO dissociation by oxygen. This contradiction
is seen as stemming from an erroneous assumption regardinq
the ratio of reaction constants for N plus 02 and N plus NO,
there being no passible assunptioft regarding the rate-
determining stage which will lead to the need for retardation
of the chain reaction by oxygen. A quantitative explanation
of explosion experiments with excess oxygen and a qualitative
explanation with excess fuel ate thus made possible.
13897
Rodionov, A- I., Yu. S. Hishchenko, A» P. Klimov, and E. A.
Eogdanov
AESOFPTION OF NITHOGEN OXIDES 8* LIMESTONE SUSPENSION.
(Abeorbtsiya okislov azota suspenziyey izvestnyaka}. Text
in Russian. Tr„ Mosk. Khim. Tekhnol.. Inst., vol.
-------
13898
Chertkov, B. A.
OXIDATION OF CALCIOH SOLUTE IN THE EXTHACTION OF S02 FPCM GASES..
(Okisleniye sul "fita kal "tsiya v protsesse izvlecheniya 502
iz gazov).. Text in Hussian. Zh. Prikl. Khim.., vol. 33:1708-1714,
I960, 7 refs„
The rate of oxidation of calciui sulfite formed in the extraction
of so2 from exhaust gases Has found to average 9.4 g/sg m-hr
with an average oxygen absorption coefficient of 72 g/sq n-hr-atm
for the test absorber. The degree of oxidation was found to
result from the simultaneous effect of a number of factors
influencing nass transfer in the liguid phase (e.g., reflux
density# temperature, and coaposition of reflux solution). It
was found that addition of 0.. 002-0* 004X P-a>inophenol to the
circulating solution has a long-term retarding effect on calcium
sulfite oxidation and results in a three to five-fold decrease
in sulfate formation.
13900
Harding, John Windsor
KINETICS OF CATALYTIC DECOKPOSITICH OF HITFIC OXIDE. Illinois
Univ*, Orbana, Ph.D. Thesis, Ann Arbor, flicb., Oniv. Hicrofilns,
Inc., 1969, 76p.. 2E refs.
This thesis presents the results* correlation, and interpretation
of an experimental study of the rate of decomposition of nitric
oxide on an aluminum oxide catalyst. The constants of the
correlations are interpreted in terns of Langmuir-Hinshelwood
mechanisms. Experiments were conducted in a different fixed-
fced reactor* The reactor was operated at 644 to 807 C with
space velocities of T68 to 2280/hr at standard temperature and
pressure.. Input to the reactor was 10 to 15 sole * nitric
oxide diluted with nitrogen or helium. The 0.2 to 2.OH resulting
conversion was measured with a photoelectric colorimeter. The
rate of decoaposition of nitric oxide was correlated as a
function of nitric oxide concentration for all results. The
lechanisa supported by calculations is the reaction of two
adjacently adsorbed nitric oxide molecules as the slow step
with nitric oxide and nitrogen in equilibrium between gas and
adsorbed phases. In this interpretation, nitric oxide is much
more strongly adsorbed than nitrogen. After prolonged heating
at approximately 740 C, the activated catalyst loses activity,
following which the interrelations of the activation energies
apparently change, although the form of the rate eguation is
unaltered.. (Author summary modified)
13901
Kuznminykh, I- *>, I.. Rodioncv, and 3u. S. Hishchenko
AESORPTIOM OF tlTROGEH OXIDES ?BCH BASTE OASES IN A PILOT PIANT
M. Basic Sciencs and Technology
1261
-------
COLUMN. {Absorbtsiya okislov azota iz khvostovykh nitroznykh
gazov v poluzavodskoy barbotazhnoy kolonne). Text in Russian.
Tr<. Mosk. Khim™ Tekhnol. Inst.., vol., 33:43-47, 1961. 7 refs.
Eat a are reported from pilot operation of a sieve-plate bubbling
column designed to reaove NO and N02 from waste gases down
to the current sanitary not* of 0»1 vol X and using a 10*
soda solution as the absorber. Total nitrogen oxide content in
the incoming gas vas about 0.3Y, the flow rate was 1.3 a/sec,
and the reflux density was 4.3 cu n/sq m-hr. Foan height vas
about 35-40 nn with the tenperature maintained at 20-25 C.
Maximum absorption {about 65-75*) took place at an acidity of
0.5. The degree of absotption did not change appreciably when
gas flow rate was increased to 2 m/sec, but the absorption
coefficient increased from about 200 to about 300 kg/sg m - hr -
kg/cu Both degree of absorption and absorption coefficient
were independent of reflux rate under the above conditions*
13916
Hirev, D„, C.> Balarev, L.. Eojadziev, and D. Laabiev
III. ABSORPTION OF NITROGEN OXIDES IN THE VIEFATIHG LJkY£R OP
SODIUM CAESONATE SOLUTIONS. (III. Absorption von Stickstoffoxyden
in der vibrierenden Schicht von Natriuakarbonatloesungen)- Text
in German. Conpt. Bend., Acad. Bulgare Sci., 14 (4| : 345-340, 1961.
3 refs.
The absorption of nitrogen oxides in the vibrating layer of
scdium carbonate solutions was studied under various conditions.
Experiments were made with mixtures of gases containing 0*55 to
1.8% of nitrogen oxides, with a degree of oxidation of
20 to 60*. The effects of the degree of oxidation of NO to
1902, of the oxygen content of the gas Mixture, of the rate of flow
of the gas stream, of the concentration of the absorbent, and
of temperature on the efficiency cf separation, expressed as the
ratio of the absorbed nitrogen oxides over their initial
concentration, were studied. The optimal conditions for
i splementation of the process were established,. The experimental
findings are in agreeaent with the present views of the mechanism
of oxidation of NO, according to which it proceeds vigorously on
the gas-liguid inter phase. It is shown that with the absorption
in the vibrative layer the content of nitrogen oxides in the
exhaust gas.is considerably lcwer than with the ordinary process
of absorption by barbotage.
13922
Rosenberg, B. S. and D. S. Hacker
FORMATION OF NITBOGEN OXIDES III AERATED MET BADE FLAKES. Preprint,
A*. Chen. Soc., Washington, D. C., Div. Fuel Chen., 10{3):91-103,
1966. 5 refs.
An investigation to determine the kinetics of the formation of
1252
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
nitrogen oxides produced in aerated methane flames is discussed.
When a bunsen flame was used, NO formed in a narrow region near
the outside edge of the flame and then diffused toward the
center of the burner and into the secondary air stream where
it was oxidized, forming N02. Very little N02 was found in the
burning gas.. Because the shape and position of the reaction
zone from a bunsen flame made kinetic analysis difficult, the
experimental work was changed to a flat flame. Nitrogen
dioxide formed very close to the flame and then rapidly
decomposed™ Its concentrations decreased to zero with fuel-rich
and stoichiometric primary mixtures. However, seme N02 was
found at all heights above the burner with fuel-lean primary
mixtures. Three observations were drawn from this stoichiometric
flame: <(1) N02 is the nitrogen oxide formed in the flame; {2}
N02 decomposes to NO; and {3} NO is also formed by another
mechanism in the combustion products above the flame.
13930
Mueller, Ernst and Heinrich Barck
ON THE DECOMPOSITION OF NITRIC CXIDI Bit HEATING WITH METALS..
(Uber die Zersetzung von Stickoxyd beim Erhitzen irit
Metallen).. Text in German. Z. Anoig.. Allgem. Chem. vol. 129:
309-320, July 19, 1923. 3 refs.
The question of whether small pieces of heated wire of various
metals would be useful in reducing nitric oxide was investigated..
It was hoped that this process could then be used in the
microanalysis of organic compounds. Copper with zinc
impurities reduced up to 889 DC at 400 C» Pure Cu reduced only
45% NO. Details of the experiments and method of analysis
are given* Reasons for the incomplete reduction and
inconsistency in the results are probably due to nitride
formation and the production of K20* Silver does not reduce NO
below 700 C. Iron reduces NO better than Cu. Brass reduced
nothing below 600 C and 291 at 700 C» Tin is ineffective below
too C, and above that, nitride is formed. Zinc does not reduce
below 350 C, but reduces NO slowly and completely at 600 C.
Bismuth produces Be203 at 400 C, reducing 73.. 6% NO.. lead
reduces 86.6* at 600 c.. Magnesium, Ca, and A1 became slowly
effective at 600 C. Mn reduces 68% NO at 400 c. Other metals
tested were Cr, ferrochrcmiumv lead superoxide, lead oxide,
and vanadium trioxide. All quantitative conditions and
experimental results are given.
13931
Seery, Daniel J« and Craig ?« Bcwman
A SHOCK TUBE STUDY OF METHANE OXIDATION. Preprint, Am..
Chem. Soc„, Washington, D. C«, Civ. Fuel Chesu, 11 (4):82-95,
1967. 11 refs.
An experimental study was made on the oxidation of methane behind
reflected shock waves to provide inferwation on the reaction
M. Basic Science and Technology
1253
-------
mechanism and chemiluminescence for high temperature oxidation..
In this study, pressure, OB, CH, CO, C2, and H20 emission and
CH absorption were monitored during the reaction. Using a
proposed 15 step reaction mechanism, temperature, pressure,
anil concentration profiles were calculated fot the conditions
of the experiment- The concentrations of the intermediates
increased rapidly during the early stages of the reaction and
then maintained a constant value through most of the induction
period- Induction tine was defined to be the tine between
the heating of the gas by the reflected shock wave and the rapid
increase in pressure or characteristic emission or absorption.
Carbon monoxide and H20 shoved a rapid increase early in the
induction period and then increased linearly to their equilibrium
concentrations. Carbon dioxide increased linearly from the
start and only at the end of the induction period it increase
rapidly.. A peaking of CH emission was observed; however, OH
emission and OH absorption were found to increase simultaneously
during the reaction. Frcm the pressure and OH emission, it was
concluded that the reaction passes through two phases - a first
phase in which the pressure and Off emission increase slowly,
followed by a second phase in which the pressure and OH emission
increase rapidly.,
13936
Davtyan, 0. K* and Ye. N„ Cvchinnikova
CHEMISOFPTION AND OXIDATION OF SULFUR DIOXIDE ON SOLID CATALYSTS
AT NOKRAL TEMPERATURE. (0 khemisorfctsii i okislenii sernistogo
angidrida na tverdykh katalizatorakh pri normal"noy temperature).
Text in Russian.. Doklady Akad: Nauk SSSR, 104(6) *857-860, 1955.
An attempt was made to explain the catalytic oxidation of sulfur
dioxide on the basis of a theory proposed by 0. K« Davtyan.
The following catalysts were studied: spongy platinum applied
to porous phosphorus through reduction from a solution of
chloroplatinic acid, activated charcoal* vanadium pentoxide
obtained by coagulation of a colloidal solution in the form of a
powder (without carrier), powdered graphite, powdered chromium
trioxide, and powdered ferric oxide (listed in order of
decreasing activity). In all cases, chemisorption was found to
proceed with sufficiently high rate at room temperature, the
oxidation products being readily removed as sulfuric acid by
washing with water- Curves cf total adsorption and chemisorption
rates as a function of time were plotted. It is noted that the
presence of water vapor on the catalyst surface usually increases
the maximum quantity of oxidized sulfur dioxide..
13939
Davtyan, 0. fU, B.. A. Hanakin, E» L., Hisyuk, and Yu. ti.
PolishcbuK
INVESTIGATION OF THE HECHANISH OF HETEROGENEOUS OXIDATION,
HYDR0GENATI0N AND ELECTROCHEHICAI CCKBUSTION OR SOLID CATALYSTS..
Ill- RELATION EETHEEN THE DEPOLARIZING CXIDES 08 CARBON AND
PIATIUCH AND THE CATALYTIC EFTICT CI THE LATTER IK THE 0XTDATI0H
1254
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
CF S02. (Issledovaniye mekhanizma protessov okisleniya,
gidrirovaniya i elektrokhiaicheskogo goreniya na tverdykh
katalizatorakh- III. svyaz* mezhdu depolyarizuyushchimi
okislami na ugle i platine e kataliticheskim deystviye®
poslednikh v reaktsii okisleniya S02). Text in Russian.. Zh.
Fizo Khi»„, 35(4):1186-1191, 1961. 4 r«fs.
The chenisorption of oxygen onto platinum and activated carbon
was studied for the case of catalytic oxidation of SO2 using a
new electrocheaical method in combination with chemical methods.
It was established that oxygen being chemisorbed on the surface
at 20-100 C participates in totting the potential of the oxygen
electrode. The sage chemisorption of oxygen takes place with
electrochemical oxidation, oxygen chenisorbed on carbon or
platinum at these temperatures is shown to participate in
catalytic oxidation of S02. During this reaction, all oxygen
capable of participating in the electrochemical process
completely leaves the catalyst surface. It was found that
platinum catalyst becomes poisoned in an atmosphere of S02 at
20 C, rendering it incapable of oxygen chemisorption.
13943
Paduchev, , V. V. Toporova, and N. P. Diyev
INVESTIGATION OF THE BEACTIOH Of 1EAD SOLFIDE WITH SULFUR DIOXIDE.
(Issledovaniye vzaimodeystviya sul'fida svintsa s sernistya
angidridom).. Text in Russian. Zh« Prikl. Khio.., vol. 34:
676-679, Jan.'April 1961. 6 refs.,
Sulfur 35 isotope was used to study the reaction of lead sulfide
with sulfur dioxide at 650 and 700 C.. Data obtained contradict
the so-called "sulfate theory" of sulfide oxidation which
proposes that under conditions of sulfating calcination, first
the sulfur of the sulfides themselves is oxidized to anions
S03<2-) and S04 (2-) and that the metal oxides formed during
calcination are only products of subseguent dissociation of the
initially obtained sulfates. It now seems more likely that the
sulfates formed do not retain sulfur of the original sulfides
but acquire it later from the gas phase, i.e., the metal oxides
appear aliead of the sulfates: 4HeS* plus 2S02 yields ttfteO plus
2S*2 plus S2; UMeO plus 4S02 yields UBeS03; 4MeS03 yields iMeSOtt
plus HeS»
13948
Foexster* T» Burchardt, and I. Fricke
PRODUCTION OF CONCENTRATED NITRIC ACID FR0H NITROOS G&SES, PUBIS
A ADD f0«ber die Gewinnung kcnzentrierter Salpetezeaeure
aoe nitrosen Casen}. Text in Ger>an. Z, Angev. chem. (Beinheim),
vol. 1:113-117, Bay 11, 1920. FAFTS C, D, ANE E. Ibid.,
p. 129-132, Hay 25, 1920. 10 refs*
A detailed description and discussion is presented of two series
of experiments on the formation of nitric acid from nitrous
M. Basic Scienco and Technology
1255
-------
gases» In the first series, a mixture of gaseous nitrogen
dioxide and oxygen wa® passed through a bell-type wash tcwer
filled with a nitric acid solution* In the second series*
oxygen was passed through a mixture of nitric acid and liguid
nitrogen dioxide or else known amounts of oxygen and that
mixture were thoroughly shaken together.. Conclusions are as
follows: 1* The notion derived from previous experiments that the
process of nitric acid formation fro* gaseous HO2, 02, and water
cannot proceed beyond the nitric acid solution with the lowest
vapor pressure, is erroneous. 2. The rate of this process in
the range of concentrations of nitric acid at the lowest vapor
pressure is so low that an enrichment of nitric acid beyond
this range requires a rather long reaction time. 3. For such
an enrichment, the smallest possible excess of oxygen and a
low rate of flow of the mixture are preferable,. 4. With
sufficiently long test durations and with progressively decreasing
utilization of the M02, even under the Host favorable test
conditions, nitric acid concentration rarely goes above 80%.
5. The reason for this is that when a steaming gas mixture is
used, the conditions favoring a good utilization of N02, namely,
a snail oxygen excess and low rate of flow, are highly
unfavorable for the thorough lixing of the reaction solution with
oxygen which is also required. 6„ However, one can easily
attain even the highest nitric acid concentrations if one mixes
less concentrated solutions of it with an appropriate amount of
liquid N02 and shakes this lixture thoroughly with oxygen. 7„
The process proceeds especially rapidly when the excess of
liguid NO2 is so great that, due to its United solubility in
nitric acid, the liquid aixture is heterogeneous and remains
so during the reaction. 8. When nitrous gases act an water,
from the equilibrium 2H02 yields 1)204, the latter is dissolved
in water and yields the primary reaction N204 plus H20 yields
HH03 plus HN02. 9. The dissociation of the nitrous acid into
nitric acid, nitric oxide, and water (3HN02 yields HN03 plus 2N0
plus H20), and the rapid oxidation of the latter, effects the
transformation of the nitrous gases into nitric acid up to its
highest concentrations.
13968
Bodenstein, (U
BATE 0? THE REACTION BBTSBEN HITBIC OXIDE ASD 0X1GED. (Die
Geschwindigkeit der Reaktion zwischen Stickoxyd und Sauerstoff].
Text in German. 2. Elekrcchem., 2« (13-1«) : 183-201, July 1, 1918.
26 refs.
% very detailed description is presented of an extensive series of
experiments on the reaction of NO with 02 that were carried out to
resolve a controversy between lunge and Berl and Raschig. Both
gases were mixed at very low pressures and the reaction was
followed by observing the pressure drop, with a correction being
made for the formation of N204.. It took place strictly in
accordance with the third-order equation and its rate was found to
decrease quite noticeably with increasing temperature in the
interval between o and 90 C. Furthermore, this reaction was found
to be independent of additons of NO2, water vapor, and 502. The
1256
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
oxidation of S02 at the temperature used (60 C) was not catalyzed
by the nitrogen oxides. The results of experiments of Lunge and
Berl, evaluated in an analopous manner, were In excellent agreement
with those of the author, while those of Raschig were but
moderately so at conversions of Bore than 50*. In the light of the
present knowledge of the solution process of the higher nitrogen
oxides, Raschig"s hypothesis regarding the role of N203 in the
process of oxidation of HO to NC2 is no longer tenable,
11055
Kurin, N« P. and I. 0. Blokh
CATALYTIC OXIDATIOJ of NITRIC CXIDE. PART I. (Kataliticheskoye
okisl«niye okisi azcta. Soobshcheniye I). Text in Russian.
Zh» Prikl. Khi»«, 11f5) :J34-749, 1938., 10 refs.
Experimental study of three materials is reported: silica gel,
vanadium catalyst used in the contact aethod of nitric acid
production, and chromium-zinc catalyst used in methanol
synthesis. These catalysts were used to oxidize HO to V02
with a volumetric flow rate of 200-600 per hour at 25-200 C.
The incoming gas was dried over concentrated sulfuric acid and
had the following composition (vol X): NO, 3.0; 02, 7.8;
atmospheric nitrogen, balance- Catalytic action occurred in all
cases, total degree of oxidation decreasing with increased flow
rate. As the temperature increases above 200 C, reaction rate
decreased (greatest decrease with silica gel)* Silica gel vas
found to be the best catalyst for temperatures up to 100 C.
In the 150-200 c range, silica gel and vanadium catalyst were
comparable, both being more active than the chromium-zinc
catalyst. Rate equations are given* The apparent energies of
activation for these catalysts are 4700, 1860 and 340 cal/nole.
11056
Nesterenko, T. E. and B. Ye. Tverkovkin
REACTION EQUATIONS POB THE REVERSIBLE SYSTEM 8204 YIELDS 2N02
YIELDS 2N0 PLUS 02 IN A fLOH. (Uravneniya kinetifci
khimicheskikh reaktsiy sistemy N2C4 yields 2N02 yields 2N0 plus
02 v potoke). Text in Russian. Vestsi Ak&d. Nauk Belarnsk. SSR:
Ser« Fiz.. Tekhn.. Navuk, no. 1:34-43, 1966., 13 refs.
& sathea&tical description of the reaction kinetics for the
reversible system involving nitrogen tetroxide, nitrogen
dioxide, nitric oxide, and oxygen in a flow is presented* A
mathematical model of heat and mass transport in the presence
of chemical reaction is described in general using the
differential equations of mass, momentum, and energy
conservation. Good agreement with experimental data from the
literature is found. The proposed method may be applied to the
question of heat flow in cases both with heating and with
cooling, and also to aoxe complex chemical reaction schemes.
The question of heat exchange within the chemically reacting
mixture is not treated.
M. Basic Science and Technology
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1U081
Kleinernan, Jerome and C. Richard Cowdrey
THE EFFECTS OF COHTIHOOUS HIGH LEVEL NITBOGEH DIOXIDE ON
HAHSTEBS.. Yale J., Biol- Bed.., HO <5-6) : 579-590, April-June 1968.
11 refs.
In an attempt to experimentally produce emphysema lesions by
exposure to nitrogen dioxide, the experimental design of earlier
studies was altered so that the previously untested Syrian
hamster species could be continuously exposed (20 to 22 hrs/day)
for a prolonged period to concentrations of N02 sufficiently high
to produce a moderate mortality (15-55 ppm). Experimental
findings are presented., ffhile the size of the alveolar spaces
appeared enlarged in the exposed animals compared to the controls,
there was no evidence of destruction of alveolar septal tissue,
leading to the conclusion that a tissue-destructive form of
emphysema was not produced in this experiment. The use of
continuous exposures for prolonged periods, even at concentrations
that produce a mortality of approximately 35%, does not appear to
alter the nondestructive character of the tissue response. The
hamster thus joins the other rodent groups previously studied,
by these authors as species that respond characteristically to
N02 inhalation by an exudative and proliferative reaction without
evidence of tissue destruction. The character and degree of the
epithelial and inflammatory response appear similar in kind and
proportional in extent to the time concentration product imposed.
The variability in the response among bronchioles in a single
lung is seen as even more disquieting than the differences in
degree of reaction among animals similarly exposed, suggesting
that profound differences in the uniformity of distribution of
the inhaled noxious agent exist. These observations are
consistent with physiological observation* but their fundamental
basis remains unclear* The rapid and almost complete involution
of the epithelial hyperplastic and inflammatory response
produced by N02 in the animals studied 30 days after cessation cf
exposures is considered remarkable and is thought to demonstrate
the extensive reparative properties of the lung. The return
toward normal of the lung volumes and right ventricular weights
in this group again suggests that a reversible lesion is being
repaired and lends support to the conclusion that no permanent
tissue destruction has been produced by these profound experimental
exposures. Two factors are discussed as possible causes of
apparent differences between these results and those of other
investigators carrying out similar experiments: the use of
varying definitions of the term emphysema and varying techniques
to inflate and fix lung tissue* A record of a discussion of this
paper is included.
11092
James, David
THE RATS OF OXIDATIOB OF HITHITI 10KS IH DILUTE SOLUTIONS OF
SODIOH NITBITE IH HOLTEH LITHIOH PEPCHLORATE. J. Phys. Chem.r
72(3)1876-879, Harch 1968. 12 refs.
1258
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Quantitative data on a slow reaction between oxo anions in an
ionic melt were obtained by adding snail amounts of N02(-) in the
for* of Nal02 to molten LiclOU and simultaneously oxidizing the
802<-) anions to N03 and reducing the solvent CIOU(-) anions to
Cl(-) at 245-301 deg. The reaction isotherm was measured
spectrophotometrically by determining the change with tine of the
absorption intensity of the K02(-) and H03(-J bands. Results
show that the simultaneous oxidation and reduction is a pseudo
first-order homogeneous reaction* The first-order rate constant
is C.000351/sec at 274 deg, and the activation energy is 31.5
kcal/aol. There is no buildup of per chlorate ions during the
course of the reaction- The reaction is unaffected by gaseous
nitrogen or substantial additions of water, LiOH (5 aol*)#
L1H02 (10 »ol*), or gaseous oxygen. The evidence suggests the
possibility that the rate-determining step involves a direct
oxygen transfer between a nitrite and a perchlorate iotu
(Author abstract modified)
moo
Hyatt, P,> *. H„
HIT HODS FOB CALCULATING THE EXTEUT OF DISSOCIATION OF COHPOUSDS
IB THE LIQUID STATE. Trans. Faraday Soc., vol™ 52:806-815,
Jan«-June 1956., 21 refs..
A straightforward application of Baoult's law to the dissociation
of a compound in the liquid state shows that explicit values
of the extent of dissociation (alpha) can be calculated from
experimental estimates of the first and second differential
coefficients or the corresponding vapor-pressure derivatives.
When the form of dissociation is uncertain, the quantity
alpha(a plus b)/abs can be determined, in which a and b ate the
numbers of particles produced in solution per molecule of the
two primary dissociation products, and s is the number of
molecules of the compound involved in the dissociation equation.
For compounds of small dissociation, a and: b can be evaluated
by a combination of freezing-point and partial molar heat
content data, thus supplementing the methods already in use. For
compounds of large dissociation, cryoscopic data can be used to
test whether or not dissociation is complete. (Author abstract
modified)
14104
Detry, D„, j. Drowart, P. Goldfinger, B. Keller, and fl. Bickert
STUDY OF THE TBEDHODYBANlCS OF SBLFtlH VAPOR. MASS SPECTBCflETBIC
STUDIES WITH THE ELECTROCBEKXCAl KKUOSEK CELL. (Zur
Thermodynamik von SchwefeldasFf. aassenspektronetrische
Dntersuchungen Bit der elektrochemischen Knudsen-Zelle). Text
in German, z. Physik. Che*., 55 (5/6):31»-319, Aug« 1967. 13
refs.
Theoretical and experimental studies show that sulfur vapor
M. Basic Science and Technology
-------
contains not only S2* su, S6, and SB molecules, but also s3,
S5, and 57 molecules, in attempt was made to obtain exact
thermodynamic data for all types of vapor molecules with the
aid of an electrochemical Knudsen cell combined with a mass
spectrometer* The Knudsen cell was directly arranged in the
spectrometer instead of the ion source. Sulfur from solid
silver sulfide was evaporated in the Knudsen cell according to
the series Pt,Ag/AgJ/Ag25«Pt. The electric current, J, with the
positive pole of an outside source applied on the right side of
the series permitted variation cf the discharge velocity of the
sulfur from the cell and thus of the pressure of the sulfut
vapor. For each stationary state, adjusted by electric current
J, three variables were obtained, namely the electric current,
the electromotive force, and the concentrations of the various
types of s molecules after separation in the mass spectrometer..
The concentration may be either that of primary molecules in
the Knudsen cell or that vhich develops by fractionation of
larger molecules by ionization. They are separately determined.
Kith these variables and the sensitivity of the pass
spectrometer, the partial pressures can be computed.
Extrapolation of the straight line indicating the partial
pressures to the saturation point yields the saturation
partial pressures, which by addition, lead to the total pressure.
The measurements were performed within a temperature range
of 200 to 4C0 C. Enthalpies and entropies for the various
molecules vere computed.
114146
HcCaa, David J. and Dietmar E» Rothe
EMISSION SPECTBA OF ATHOSPHEBIC GASES EXCITES BY AN ELECTRON
El AH. AIAA (Am. Inst. Aero ii.. Astronaut.} J., 7 (8) ;16UQ-1651, Aug.
1969. 6 refs.
The molecular gases DO, 02, H20, CO, and C02 vere excited by
electron beam techniques to study, their interaction with the
N2(plus)(1-) spectrum from 2800 to 6600 I and at 10 to 100
micron pressures* The intensity of the nitrogen fluorescence
spectrum exceeds that of any other system observed. Spectra
of K2, 02, CO, and C02 are composed of molecular ion bands
with some atomic lines present, while the spectra of NO, H2, and
H20 consist primarily of atomic lines. Atomic lines follow
a linear intensity dependence with pressure. The molecular ion
bands, with the exception of N2i(plus) exhibit quenching at
higher pressures, the pressure at which quenching becomes
significant varying among gases„ Relatively strong self-
quenching was observed for the first negative system of
02(plus), for the comet tail system of CO(plus), and for the
?ox, Duffendack, and Barker system of C02(plus). characteristic
self-quenching Fissures these systems appear to be SO,
20, and 150 microns Hg, respectively. Strong relative
enhancement of neutral CO bands by secondary electrons was found
at higher pressures.. At gas pressures below 100 microns, the
intensity of tine K2 (plus) (1-) system is not severely affected
by the presence of 02, H2, H20, or CO. (Author conclusions
modified)
1260
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
miss
Paraill, William H.
ICN-MOLECULE REACTIONS. J» Che*. Educ., 36(7}:316-349, July 1959.
17 refs.
The study of the reactions between gaseous ions and molecules, a
fundamental problem in radiation chemistry, is reviewed. Early
work on the problem and current theoretical considerations are
suanarized, and experimental aspects are described in terns of the
use of the nass spectrometer, tr-' source of aost current
information concerning ion~aol& reactions. Thermochemical
aethods of testing aass spectrcaetric appearance potentials are
discussed, and a theraocheaical cycle is presented based on the
principle that ion~molecule reactions, to be observed in a mass
spectresetBr, Bust hare zero activation energy. In a discussion
of criteria, measured reaction cross sections at ion energies of
about 1 ev are placed in the range 50-200 tines 10 to the minus
16 sq ca and are described as independent of temperature.
Recent work is reviewed and found to demonstrate qualitatively the
decreasing cross section with increasing ion velocity. The
limitations of aass spectrcaetxy in the developaent of radiation
chemistry are considered.
14179
Iyengar, R. D. and V. V. subba Sao
ELECTRON SPIN RESONANCE of NITBOGIN DIOXIDE (N02) ADSORBED OH ZINC
OXIDE. J. Am. Chea. Soc„ , 90 U 2): 3267-3269, June 5, 1968.. 10
refs»
The electron spin resonance (esr) spectra of N02 adsorbed on zinc
oxide was investigated. Tests was made on high-purity zinc oxide
samples with surface areas of 3 square meters per gran. Before the
treatment with ultrahigh-purity W02, samples were outgassed fox
2 hours at 500 C 0.000001 torr. The resulting est spectra were
reprinted and discussed. The outgassing procedure and
thermodynamics were varied, and subsequent signal changes were
analyzed. Chlorine treatment of the saaple was seen to produce
a sharp signal at g equal 2.015, indicating that the same peak
previously noted was not dne to cheaisorbed oxygen atoms, the
previous notion. Investigations to this point suggest the
presence of shallow levels on ZnO which give rise to the signal
after the loss of an electron to the interacting gas at the
surface.
11168
Troth, S. A.,, P. Grau, and A. fleichsner
CONTRIBUTIONS TO THE THEBBOCHEBISTR* OF S0LF0B. III.
(Beitraege zur Theraocheaie des Schwefela. III.) Text in
German. Z. Anorg. Allgea. Chen., vol. 193:161-175, 1930. 13
refs..
M. Basic Science and Technolofy
1261
-------
Gaseous S02 was oxidized with dilute hydrogen peroxide solutions
in a calorimeter at 20 C to dilute sulfuric acid- The heat
developing upon decomposition and dilution of H202 was measured at
various concentrations* The results shoved good agreement with
values obtained in recent American studies. The heats developing
upon dilution were remarkably small. For the heat developing
upon oxidation of S02, a value higher than that obtained by
Thoasen was found. By using the enthalpies of S02, the
enthalpies of liguid S03, H2S04, and 5000 parts H20 were computed.
Comparison with older theraochenical data led to the conclusion
that the values for the heat of dilution are too high.. From
solubility data, new lower values were derived which show the high
increase with increasing dilution demanded by the theoretical
finding.. Efforts to burn sulfur in a steel container to a mixture
of $02 and SO3 and to derive the enthalpies of both oxides failed
because the S02 became oxidized. If side reactions are avoided,
aany heats of oxidation can be determined with dilute H202
solution.. If sulfur dioxide heat of solution is accurately
determined, reduction heats of S02 solutions in inert atmospheres
can be measured.
1U219
Oza, Tranbaklal Mohanlal and Vasantrai Trambaklal Oza
THE ACTION OF DINITD0GEN TETR0XIDE ON HYPONITRITES, NITRITES AND
OXIDES. THE INDUCED DEC0HP0SITI0S OF HYPOSITBITES. J. Am. Cheau
Soc., ?8(15J:3564-3567, Aug- 1956. 15 refs.
To elucidate the effect of nitrogen dioxide on oxides, nitrates,
and hyponitrites, all of which are present in the thermal
decomposition of hyponitrites, N204 and N02 were reacted with
Ag2N202, Sr«202-5H20, and Srtt2C2i *ith AgH02, Ca (H02) 2-H20, and
Ca (N02) 2-1/"JH20; and with Ag20 and CaO. Both solid and gaseous
products of the reactions were quantitatively analyzed. Besults
show that (1) the nitrogen of the hyponitrite molecule does not
remain intact; (2} water exercises a profound influence on the
reactivity of the nitrites, hydrated nitrite reacting even at 0
deg and anhydrous silver nitrite reacting only at 120 deg; (3)
nitrate is the prisary product of the reaction of N204 or N02
with CaO, but both nitrate and nitrite are produced by the
reaction with Ag20; and (#) formation of nitrous oxide and
nitrogen from the action of dinitrogen tetroxide on hyponitrites
does not take place directly from N204 but originates from the
hyponitrites., The thermal decomposition of the hyponitrites is
shown to occur in the sequence H2H202 yields M20 plus H20 and
(2) 3H2H202 yields 2H2Q plus 2HM02 plus 2N2. lack of appearance
of oxide in the products and appearance of nitrate can te
ascribed to secondary reactions of the oxide and nitrite formed
with N201 and H02«
14224
Sawatani, Tsugio and Tsugikatsu cdajima
NATURAL OXIDATION Of DIIUTB SfllPUB E10XIDE. Translated from
Japanese. Tohoku Univ.. (Japan), 1 p„, 1968. (Presented at
1262
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
the 21st Annual fleeting of the Japanese Chemical Society,
Japan, 1968.)
The velocity of the oxidation of dilute S02 gas in the
atmosphere was studied. S02 gas vas generated using
the method whereby air is blown through a given concentration
of sodium sulfite with a predetermined pH. The gas was
tested at atmospheric pressure. The reaction increased
in velocity with an increase in temperature and when
irradiated with a fluorescent lamp.
11(232
Bice, 0. F.
A KINETIC APPROACH TO THE THERMODYNAMICS OP IRREVERSIBLE
PROCESSES. J- Phys. CheB., 61 (5) : 622-629, Hay 1957. 20 refs.,
The study of flows of beat and matter which occur under gradients
of temperature and concentration is considered in terms of a
transfer process involving the exchange of molecules from both
solvent and solute, with transfer of solute in one direction
accompanied by transfer cf solvent in the other. This process
takes place vithin the transfer unite whose interaction with
the rest of the solution is * average* and does not change
when the transfer occurs. A transfer unit vhich is the same as
the original unit except that the reverse process can occur
in the inverse unit. Differences between the concentrations
of direct and indirect units result from the tendency of a
transfer unit to come into equilibrium with a specific component
of the solution at the point in the gradient where this component
actually occurs in the transfer unit. From the hypothesis that
transfer units have definite temperatures and concentration
gradients, eguations were determined for calculating fluxes
and heat of matter. The kinetic formulation is shown to support
reciprocal relations between phenomenological coefficients and to
give automatically the lavs of irreversible thermodynamics.
Eguations are also derived for the Soret effect and foe systems
with charged particles; they ate discussed from the point of
view of heats of transfer of 0H
-------
Various attempts are made to explain the production of free
radicals in active conbusticn. Constants of the CIO radical are
given. Proof of the origin of these radicals resulted fron the
study of cyanogen, which enabled an explanation to be nade for
the nechanisn of conbustion and the influence of various factors.
Various inflammability Units axe also discussed in light of the
aechanisa. Reactions between free radicals explained differences
between inflaanability limits of dry and wet cyanogen. The cause
of the results with nethyl oxide and acetylene could not be
explained. Inflanaability Units could not be considered as
specific chenical individuality constants. The study concluded
that even propagation speeds of ccabustion of a given compound
vary when the inner surface of the vessel in which it propagates
is altered. (Author abstract ¦edified)
11293
Peatnan, H. B., T. B. Borne, and E. ti. Schlag
PHOTOIONIZATION RESONANCE SPECTRA. I. NITRIC OXIDE AND BENZENE..
Chen» Phys. letters (Amsterdam), 3(7):492-497, July 1969. 21
refs-
A new nethod is described for the study of ionized aolecules by
direct observation of optical resonance in photoionization. This
aethod interposes an electron filter in the systen so that a
signal is .detected in the neasuring circuit only at the point
where the optical nonochroaator sweeps through a resonance
transition. Photoionization is carried out at the intersection
of a well-focused bean of light and a high intensity aolecular
bean at right angles to the photon bean. Electrons are withdrawn
perpendicular to both of these beans. The energy of the
photoionization resonance is directly read off the setting of
the optical nonochroaator. Contributions fron lower
photoionization processes are avoided, photoionization
resonance scans of benzene show the presence of two peaks at
10-385 and 10.471 eVt respectively. It is thought that these
peaks are due to a new electronic level of C6K6(plus) at
10.385 eV and that this level corresponds to the renoval of a
sigia electron froa the benzene nolecule. Data obtained for
NO(plus) using this nethod were compared with data previously
obtained by other aethod*. The average ionization potential
of five experimental runs was in exact agreenent with the
spectroscopic value of other investigations.
14317
Harneck, Peter
PHOTODETACBHENT OF N02(-)- Chen. Phys. letters (Ansterdan),
3(7):532-533, July 1969. 10 refs.
The photodetachnent of electrons fron N02(-) ions by light in the
violet portion of the visible spectrua was observed. Negative
1264
PHOTOCHEMICAL OXIDANTS ANO AIR POLLUTION
-------
ions were extracted from a discharge source, accelerated to a
speed of about 6,000,000 cm/sec, collimated, and mass separated
in a 90 degree, stigaatically focusing magnetic analyzer. After
passing the photodetachment chamber, the ions were trapped and
discharged in a Faraday cup. Photoelectrons vere withdrawn
at right angles by a weak electric field and were detected with a
Venetian blind electron multiplier. The signal was processed by
a phase sensitive amplification and was displayed on a strip
chart recorder. The apparent photodetachment threshold is
approximately 4740 A, which corresponds to an energy of 2.74 87.
The derived threshold energy provides only a lower limit to
the vertical detachment energy because a portion of the N02<-}
ions are vibrationally excited. Subsequent to the fornation
of a negative ion in the discharge, the ion drifts toward
the anode, picking up energy in the electric field and losing
energy by collisions. This mechanism leads to a quasi-Boltznann
vibrational energy distribution among the ions equivalent to
an estimated temperature of several thousand degrees. The excess
vibrational energy cannot be dispersed because the radiative
lifetime of the involved states is about one hundred tines
greater than the transit time of the ions in the apparatus. A
semi-logarithmic plot of photoionization cross sections versus
energy of ground state Bolecules, as compared to that of
vibrationally excited ones, often indicates the beginning
photoionization by a break in the cross section carve, A break
occurred at 3.10 eV and was identified as the first ionization
potential of N02{-), so that 3.10 eV is the electron affinity
of N02. These results provided the first direct determination
of the electron affinity of N02»
14331
Soong, An-Liang
THE CHARGE OH LATEX PARTICLES AEROSOLIZED FROM SUSPENSION AMD
THEIR NEUTRALIZATION in A TRITI0H DE-IONIZER. Thesis ,
Rochester Univ., Rochester, K. Y., UF-49-1000, 1968, Hp. 12
refs.
One of the most common methods of producing exposure aerosols
in the laboratory is by the atomization of a solution or
suspension of toxic materials; droplets produced in this way are
usually charged. Such suspensions are involved in laboratory
experiments to establish maximum permissible concentrations in
air for various toxic materials; to have validity, these* laboratory
exposure aerosols should resemble as closely as possible conditions
in industrial environments. Investigations were carried out to
measure the charge distribution on insoluble particles produced
by atomization of a suspension and to determine the degree to
which the charges are neutralized by passage through a tritium
deionizer. Detailed description and data of the experimental
methods and apparatus are presented, including a description
of the charge spectrometer and tritiua deionizer, and the theory
of particle collection by the instrument. It is concludedVtfcat
airborne particles produced by atomization of a suspension lit
distilled water carry a wide range of electrical charges, While
seme particles ars neutral, others carry as aany as1384
electrical charges. The charge distribution of the particles
M. Basic Science and Techrtolo©
-------
14380
Ganz, s. N.
KISETICS OF &BSOBPTION OF NITROGEN OXIDES BY SULFURIC ACID IN
ROTARY ABSORBERS BITH A IA8GJE JUWBEB OF REVOLUTIONS. fKinetika
abeorbtsii okislov azota sernoy kislotoy v rotatsionnykh
afcsorberakh s bol°shim chislom oborotov). Text in Russian.
Zh. Prikl.. Khim., 2917|; 1018-1028, 1956. 5 refs.
Absorption of nitrogen oxides with 76 and 9 2* sulfuric acid
in a high-rpm horizontal absorber was studied experimentally.
The test absorber, designed to take advantage of bubbling, spray,
and film absorption* is described in detail. The effectiveness
of such absorbers for use in sulfuric acid production was
demonstrated. Experimental data is used to determine rate
coefficients for nitrogen oxide absorption as functions of disk
rotation rate, volumetric gas flow rate, concentration of
nitrogen oxides in the gas, sulfuric acid concentration, and
temperature. These coefficients may be used for mechanical
absorber design, zt was established that with a highly
turbulent regime, the absorption rate for an equimolar mixture
of MO and N02 exceeds the rate for N02 alone but to a lesser
degree than under conditions of fill absorption.
143 81
loshpa, I. Ye.
KINETICS OF NITROGEN DIOXIDE ABSORPTION BY A 5UIFDB-NITROGEN
MIXTURE. (Kinetika protsessa absorbtsii dvuokisi azota serno-
azotnoy smes'yu). Text in Russian. Dokl. Vses. Nauch. Konf.
Sab. Kafedr Tekhnol. Neorg- Veshchestv, Nauch. Uchrezhd. Proekt.
Organ., 1th, Tashkent, 1961, p. 71-81.
If a sulfur-nitrogen mixture is saturated with a gas containing
32* N02 at 30 C, it is possible to obtain a solution containing
11-15* N203 and 10-11% HN03. It was found experimentally that
at 30c, the absorption rate coefficient can be raised frcm
1.32 to 7.75 g/sq a-hr-*m Hg by irrigating the column packing
with a solution of the following composition; 1.16% N203,
0.3788* HB03, 87.21* H2S04, and 1.57% B20„ An experimental
curve was plotted which, allows determination of the height
of the packing and the mass-exchange surface area needed to
achieve $02 removal to near equilibrium concentration. Curves
are also given for determining the required packing surface
area for saturation of a sulfur-nitrogen solution with N02
to the appropriate concentration with respect to N203 and HN03.
The coefficient of absorption rate as a function of packing
height was plotted and can be used to differentially calculate
the required packing surface area under industrial conditions
in series-connected towers. A correction factor is derived
which relates the coefficient of absorption rate for the
ring-shaped test packing to that of 25 times 25 times 3 mm
industrial packing. This was done by examining the kinetics of
absorption of ammonia by water on the same installation under the
same hydrodynamic regime.
1266
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
was not symmetrical with respect to polarity. The tritium
source discharges most particles which have a large number
of charges and significantly reduces the average charge. (Author
summary Modified)
11385
Stezhenskiy, A. I., V. s. Luknyanchikov, and v. B. Protsenko
OXIDATIOH OF HITHOGEN DURING COHBBSTIOH OF METHAHE-HITROGEN-
OXTGEH M1XT0BES. (Okisleniye azota pri gorenii metano-azoto-
kislorodnykh smesey). Text in Russian. Khia. Prom. Ukr.
(Okr- Ed.), no. 1:7-9, 1967. 2 refs.
A aethane-nitrogen-oxygen aixture was burned at a rate of 50
cu a/hr. Enriched air with an oxygen content of 40 to 739 was
provided in an excess of 1*3 to 2.6. Inlet temperature ranged
froa 300 to 600 C and aaxiaum HO yield (1.8 2*) was obtained
with an oxygen content of 7011 and an air excess of 1.7
(equivalent to eguiaolar nitrogen-oxygen ratio in cqnbastion
products). It is concluded that such a continuously operating
arrangement for fixing atmospheric nitrogen has a number of
advantages: constant HO concentration, ease of process control
and possibility of autoaatic control, low thermal cycling
assures prolonged and reliable operation of refractory materials
aade of HgO or Zr02. The coabustion chamber used was described
in an earlier article.
14418
Szargan, Peter
OH THE OXIDATIOH KIHETICS 07 SCCT. (Zur Kinetik der Oxydation
von Buss).. Text in German. Chen. Techn. (Berlin), 21(8):
460-461, Aug. 1969. 5 refs..
& kinetic equation for the oxidation of soot by C02 and steam was
derived and solved. The specific surface of the soot was found
to be 173 sg a/g, the activation energy 59 kcal/mole. The
specific surface measured by adsorption of nitrogen and iodine
was found to be 485 sg a/g. Apparently, only a fraction of the
surface is accessible to oxidation. Experimental results
obtained in several plants for gasification of liquid
hydrocarbons with steam and oxygen agree well with the
theoretical calculations. They show that during gasification,
a constant amount of soot is termed which is variously oxidized,
depending on reaction conditions.
14450
Bollax, 8., K. schwabe and K. liesener
ELBCTBOCHBRICAL CLEAVING OFISDOSTHIAL HASTE GASES AID DEVELOPMENT
OF A Hi THO LAYEB ELECTBODE. (Uber die Beseitigong von
Industrieabgasen auf elektrocheaischca liege und die Bntwicklung
M. Basic Science and Technolofy
-------
einer neuartigen Zveischichtelektrode.) Text in German. Dechema
Monograph, 59 (1045-1069):147-157, 1968. 1« refs.
Elimination of gaseous pollutants from industrial waste gases
poses many problems, particularly the removal of S02. In an
effort to find a satisfactory solution, electrochemical fuel cell
experiments were conducted with S02 diluted vith inert gas to
obtain a realistic concentration. Besults of galvanostatic tests
shoved that 90% of the 502 could be removed from the waste gas
feed to the anode. Measurement of the potentials against a
Hg/hg2S04 reference electrode in 3.6 n H2S04 shoved that at a
fuel dilution of 1:1000 there are theoretical Units with respect
to the attainable current density and the cell voltage. Further
experiments were concerned with removal of other substances in
the waste gas in electrochemical fuel cells. Since oxygen
electrodes are 'blubber' electrodes, no difference between pure
oxygen and air as reactant was found at the cathode. With methane
and carbon monoxide only, considerably lower current densities
could be achieved. For conversion of reaction gases, it is
advisable to use tightly-sealed, non-gassing electrodes vith high
electrochemical activity. These demands are fulfilled by a
carbon electrode consisting of a hydrophobic substrate and a less
hydrophobic coating. The coating layer is produced by surface
decomposition of the binding and hydrophobilizing agent of a
hydrophobic carbon body in the presence of a catalyst such as Ag,
Ft, etc. Its use as an oxygen electrode is discussed. The effects
of operating parameters such as temperature, gas pressure, oxygen
partial pressure and KOH concentration on electrochemical power
generation and on long-tern performance are discussed.
1U«71
Schischkov, D., M., Kojcharova, E« Ivanov, Z. Galunski, G.. Dinov,
K„ Gruev, and D. Grueva
A STUDY OF THE CONVEBSION OF CABE0N MONOXIDE AND TBS
SIMULTANEOUS REMOVAL OF NITRIC OXIDE AND OXYGEN FB0M THE
SYNTHESIS GAS WITH LOW-TEMPERAT0FE CATALYSTS. (Studie ueber die
Konvertierung von Kohlenoxid uud die gleich2eitige Entfernung
von Stickoxid und Sauerstoff aus Synthesegas mit Hilfe von
Tieftemperaturkatalysatoren). Text in German. Allgea. Frakt.
Chem. (Vienna), 20(3):68-70, 1969. 8 refs..
Low-temperature catalysts developed at the Chemical
Technological Institute in Sofia, Bulgaria, were tested vith
respect to their activity in the conversion of Carbon monoxide
and hydrogenation of nitric oxide and oxygen. The synthesis
gases had an average composition of 88% H2, 3.5% K2 and Ar,
5.0% CO, 2.5% methane, 0.6% CC2, up to 5 mg/cu m H2S, up to
0.5 ppm NO, and up to 1000 ppm 02. Catalytic activity was
judged by the residual content of CO, NO, and oxygen in the
synthesis gas. The basic constituents of the catalysts are
the oxides of zinc, copper, and chromium. The specific surfaces
of the noa-reduced catalysts were between 30 and 60 Bq m/g. To
protect the catalysts against sulfur compounds, they vere coated
vith a layer of desulfurized zinc oxide. Reduction of the
1268
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
catalysts took place at temperatures below 250 C with a gas
mixture diluted with nitrogen. The results showed that the
same carbon monoxide concentration was obtained with all
catalysts* They further showed that the throughput velocity
had a considerable influence on the residual CO content, but
that this influence becomes weaker at higher temperatures. The
catalysts have the capacity to reduce nitric oxide and oxygen,
making it feasible to convert carbon monoxide and clean the
synthesis gas in one step.
14500
Gottauf, Mm
GAS-CHROMATOGSAPHIC DETERMINATION CF ORGANIC COMPOUNDS IN AIR
IN PRESENCE OF OZONE. (Gas-chrcmatagraphische Bestimmung
organischer Verbindungen in Luft bei Anwesenheit von Ozon)» Text
in German- Anal. Chen., 246(1}: 31, 1969. 2 refs.
Trace analyses of organic compounds in air can be successfully
performed by using a gas chromatographic method. The air
sample is passed through a cold trap which causes the organic
compounds to condense. The carrier gas then takes them through
the chromatographic column. . In the presence of ozone, the ozone
is also condensed, at least in part, in the cold trap and begins
to react with certain organic compounds either immediately or
during the heating process. Hany organic substances are thus
destroyed and cannot be analyzed. This result can be avoided by
adding an excess amount of ethylene to remove the ozone. This
method was successfully used for measurements of the reaction rate
between ozone and various gaseous odorants. It was possible to
determine hexanal, 2-hexenal limonenes, allylisothlocyaaate, and
pyridine in concentrations of 10 to the minus eighth power molfs/1
at ozone concentrations between 10 to the minus seven and 10 to
the minus five moles/1..
14570
Ivanov, v. N«
KINETICS O? NITRIC OXIDE DISSOCIATION STUDIED EY ABSORPTION
SPECTROSCOPY,, flzucheniye kinetiki raspada okisi azota
metodon absorbtsionnoy spektroskopii). Text in Russian- Izv.
Akad. Nauk SSSR, Ser. Fiz. , 27<1):35-37, 1963. 5 refs.
Dissociation of NO at concentrations of 0.32 to 1.94 times ten
to the 19th power moles/cu cr at 6S0 Cwas studied by
absorption spectroscopy, the rate of dissociation being
determined from the intensity of the KQ2 line. In all cases,
equilibrium nas reached in about 104hss. Introduction of 0.5%
oxygen caused the dissociation rate to double, the resultant
NO2 being the actual catalyzing agent. Comparison is nade with
contradictory data found in the literature.
M. Basic Sclwct and TectwoJogy
1269
-------
11603
Shelef, H.
CATALYTIC BEDCCTIOH OF NITMC OXIDE- franklin Inst- Research
labs., Philadelphia, Pa-, Materials Science and Engineering Dept.,
and Public Health Service, Durham, N. C., National Air Pollution
Control Administration, Proc. First Natl. Symp. on Heterogeneous
Catalysis for Control of Air Pollution, Philadelphia, Pa.., Nov.
1968, p. 87-112- 24 refs.
A method was sought for the selective heterogeneous reduction
of nitric oxide in the presence of excess oxygen. The
decomposition rate of NO on a series of catalysts was studied
in a conventional flow apparatus using NO as such or diluted
with He. It was concluded that the decomposition reaction is
too slow for practical application* The reduction of NO by CO
was studied in the same flow system and used a mass-spectrometric
technique. The hypothesis advanced is that the limiting stage
of the oxidation mechanism with the participation of NO differs
from that with 02. Nith 02 as the oxidizing agent, the rate-
liwiting catalyst-oxygen bond scission occurs during the
reduction of the catalyst. In the oxidation with the
participation of NO, the slow step may be the re-oxidation of
an active site involving the accomodation of the nitrogen atom-
The formation of the Jf-N bond is postulated, which for the
formation of N2 reguires the presence of a pair of NO molecules
situated in close proximity. The requirement of the formation
of the N-N bond may explain why the re-oxidation step of a
surface site by HO could be a lew probability event. The
accepted view of NO chemisorption is through the nitrogen end
of the molecule undergoing a surface rearrangement for the
oxidation of a reduced surface site- The appearance of N20 is
observed when passing NO on a reduced surface in the absence
of CO, which supports the role of the N20 as an interitediate
in the overall process. This hypothesis, which assumes the
interaction of NO with the reduced surface as being the limiting
process, explains the preferential participation of oxygen in
the oxidation of CO when competing in this reaction with NO. It
also explains the absence of the correlation between the surface-
oxygen bond strength and the catalytic activity seguence in the
CO-NO reaction, which is Fe203, Cu20, Cr203, NiO, Co30tt, «nC, V20
in the order from most active to least active. This is out of th
pattern observed in reactions where oxygen is the oxidizing
agent.
1U620
Briner, E.f 6. H. lunge, and A. van der Wijk
BE5EAHCR ON THE REACTIONS EETSEEN NITROGEN PEROXIDE AND SOIPUR
DIOXIDE. (Recherches sur les reactions entre le peroxyde
d"azote et l*anhydride sulf ureux) . Text in French- Helv.
Chin. Acta, vol. 11:1125-1144, 1928„ 15 refs.
laboratory technignes for studying the reactions of nitrogen
1270
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
dioxide and sulfur dioxide* both in the liquid and gas phase,
are elaborated. In the liquid phase, under 100 atn pressure,
the following overall reaction occurs: 3/2 H204 plus 2S02 yields
S2H209 plus HO. The coipcund S2N209 behaves like an anhydride
of nitrosyl sulfuric acid in its reactions with water, alkali,
and S02. it is stable at ordinary temperatures even in a vacuus.
Heat deconposes it into the coapounds 52N07 and N02; the reaction
is slightly reversible. The reaction forming 52*209 from liquid
sulfur dioxide and liquid dinitrogen tetroxide is very exothermic;
its heat of reaction has been evaluated at 112 cal/g-mole.
In the gas phase, the reaction between dinitrogen tetroxide and
S02 proceeds somewhat slowly at ordinary temperatures and
pressures and more rapidly at elevated temperatures. Reaction
products at 80 deg and above have an average nitrogen content
less than that of the compound S2N209. Curves representing the
course of this reaction reached a plateau long before it had
been formed. The reaction does not take place if the gases are
placed in contact at sufficiently lew pressure. In the presence
of catalysts* the reaction is very rapid but does not go to
completion even at low pressures»
14624
Bozlovskiy, A. I. and Xe. P. Bodin
B3GH-TEHPEBATURE CHILLING Of HITROGBN OXIDES.
{Tysokotemperaturnaya zakalka okisi aatota). Text in Russian.
Doklady Akad. lauk SSSH, 177(2):397-400, 1967. 9 refs.
This thermodynamic analysis of nitrogen oxidation, based on
the literature, is directed toward an understanding of the
effects of "chilling* of the reaction products at high
temperatures. Cooling rate as a function of temperature is
plotted over the range 1900-4200 K for an equimolar
12-02 mixture at 1 atm for an NO concentration of 15%. nitrogen
oxide losses during chilling are tabulated for temperatures
ranging from 2663 to 4000 K at pressures of 0.77, 1, and
10 atm, with an 02-H2 ratio of '1*1.# 1:4, or 1i10, and chilling
rates ranging from 20,000 to 100,000,000 deg/sec.
14636
Sogers, E. and B. B. Sage
SOUS STUDIES OF THE OXIDtS Of HITBOGIN. Office Naval lies.,
Monthly Bes. Hept.# p. 23-25, Jan. 1952. 9 refs.
ATI: 139788
An evaluation of the specific volume, thermal conductivity,
and viscosity of the liquid phame of nitrogen dioxide and its
mixtures with nitric oxide show that these compound* are
suitable oxidizing components for binary liquidpropellant
systems. The compressibility of saturated nitrogen dioxide
first increases, then decreases with a progressive rise in
temperature. This anomaly is not present in the case of the
M. Basic Scltnca and Technology
1271
-------
liquid, where specific volume is a function of pressure and
temperature* Outlet usual operating conditions, the vapor
pressure of nitrogen dioxide will remain below 100 psi. The
relatively high freezing point cf nitrogen dioxide is effectively
lowered by solutions of nitric oxide, which increase two-phase
pressure. Twenty wt% nitric oxide increases the bubble point
pressure of nitrogen dioxide nixtutes to 445 psi at 180 F. The
vapor pressure of pare nitrogen dioxide at this temperature is
about 196 psi. Nitric oxide is core nearly a perfect gas than
nitrogen dioxide, deviating only about 5* from the behavior
of a perfect gas at pressures up to 2500 psi at 100 F. Its
compressibility factor is a function of pressure for several
temperatures. Neither nitrogen dioxide nor nitric oxide
undergoes significant decomposition when stored in steel
containers.
14675
Neumann, Bernhard and Heinrich Kunz
THE REACTION IN THE BABGBEAVES SUCCESS. (Die Reaction fceitt
Hargreaves-Prozess). Text in German. Z. Angew. Chea. (Neinheim) ,
42 (<47} : 1085-1087, Nov. 23, 1929. 5 refs.
The reaction of the Bargreaves process (2NaCl plus S02 plus H20
plus 0 yields Na2S04 plus 2Hcl) was studied in the absence of
oxygen* First the equilibrium constant was determined with
Nernst's formula and it was found that very little BC1 is formed.
Next, experiments were conducted in a glass pipette ending in a
capillary tube and containing a 10 cm-long layer of NaCl and
platinum asbestos over which measured amounts of a mixture
of water vapor and sulfurous acid were passed at temperatures
from 350 to 600 C. The guantity of S02 was varied and a slew
gas velocity of 0.05 mole S02/hr was selected. Generally, HC1
increased with temperature at constant S02 guantity. Comparison
of the experimental results with the theoretical results showed
a largely similar increase of the equilibrium constants with
rising temperature, but the HCl measured was a hundred tines larger
than the guantity theoretically predicted. Further experiments
yielded an explanation: in the reaction of 502 and H20 with Nacl,
sodiuit sulfite is formed at 500 C. If no oxygen is present, the
sulfite is decomposed again. Sodium sulfate develops and sulfur
is precipitated in an autooxidation-reduction reaction. In the
presence of oxygen, the sulfite is oxidized to the sulfate
without sulfur precipitation.
14688
Niedrach, 1. H.
ELECTRCCA11LISIS AID BELITID PROCESSES AT THE HYDROCARBON ANODE.
Franklin Inst. Beaearch Labs., Philadelphia, Pa., Baterials
Science and Engineering Dept. and Public Health Service, Durham,
N. C*, National Air Pollution Control Administration, Proc* First
Natl. Symp* on Heterogeneous catalysis for Control of Air
Pollution, Philadelphia., Pa., Nov. 1968, p. 487-524. 33 refs.
1272
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Several techniques were used to study oxidation reactions
occurring at the hydrocarbon anode of lcw-teaperature fuel cells
using aqueous acidic electrolytes. They have provided information
About surface species and reaction kinetics. Results indicate
two major paths for such oxidations, both deriving the required
°*ygen from water in the electrolyte* The first, and preferred,
path involves fission of carbon-carbon bonds to for® Cl
radicals. These rapidly react with water to form a partially
oxygenated surface intermediate which in turn reacts further
at moderate overvoltage to fori C02. The second path results
in the formation of more refractory multi-carbon alkyl radicals
on the surface. They are held to the surface by multipoint
attachment and are more difficult to oxidize. Because of the
¦any species present on the electrode surface and changes in
coverage and composition with temperature, potential, and time,
a study of the anodic oxidation of hydrocarbons requires many
transient electrical measurements. Some of the technigues used
in measurement may prove useful in connection with air pollution
and abatement problems.. (Author summary modified)
Kirkwod, D» H. and J. Hutting
AN ELECTRON HETALLOGRAPHIC INVESTIGATION OF THE OXIDATION 07
HAD S01FIDE IF AIR EBTNIBN 200 AND 350 C. Trans. AIDE (An.
Inst. Hining, Metallurgical, and Fetroleum Engr.), 233(1):708-
713, April 1965. 11 refs.
The oxidation of lead sulfide in air between 200 and 350 C was
investigated by electron diffraction from thick sulfide films
and from galena surfaces. The results showed that lead Sulfate
is stable in air up to about 570 c. Between 200 and 300 C, galena
crystals were oxidized in air and the surface products were
analyzed by electron diffraction. A film composed of very ssall
crystallites of lead sulfate was initially formed over the
surface.. This was followed by the appearance of lead oxide in
the form of needles. With lcnger periods of oxidation, a new
diffraction pattern appeared which is believed to originate
from lead tetraoxysulfate crystals. Above 300 C, the surface
gave rise to a complex diffraction pattern which was not
identified. The above sequence cf products was explained by
assuming that after a continuous film of sulfat# is formed over
the surface, only lead ions can readily diffuse to the top
surface. This leads to the formation of lead oxide on the' top
surface while sulfur builds op in the kernel. Rhen the salfdr
reaches a pressure at which it erupts through the sulfate film,
the supply of sulfur enables oxysulfate crystals te form,
certain crystals oxidized in the range of 200-300 c did not
give this sequence of products. The initial sulfate pattern
was- followed by one arising frcmleadmono-oiysulfate. This
behavior was found to be associated with surface impurities
which were present before oxidation. It was suggested that these
impurities prevent the continuous fil« of sulfate fros being
established# and sulfur is able to migrate to the top Surface
through breaksi in the flln. : Bono-oxysulfate is forwd as the
supply of sttlfurous gases decreases. -r ^
M. Basic Science wd Techfrolofy
-------
14815
Castellano, E. and H» J. Schumacher
KINETICS OF THE PHOTOCHEMICAL DECCHIOSITIOM OF OZONI IN 3130 A
DITFAVIOLET LIGHT.. Institat Superior de Investigaciones,
Buenos Aires, Argentina, Facultad de Quimica y Farmacia,
Grant AF-AF0SR-979-65A, AF8PI-TB-69-42, 34p„, Feb. 1969. 22
ref s..
AD 683733
To better define its stability, the following selected routes
of ozone decomposition were investigated; the photochemical
decomposition of ozone by the use of an Hg-line 3130 A light
source; the behavior of 0 (*D) atoms as species possibly
capable of initiating ozone decomposition; and the kinetics
of the 0 ("D| ~ 03 yields 2 02 reaction in the presence of
oxygen and inert gases- Results demonstrate that the maximum
guantum efficiency is 6 for pore ozone and is not influenced
by pressure, temperature, or light intensity. Addition of
foreign gases decreases the quantum efficiency to a limiting
value of 4 in an oxygen-free system. Hater vapor increases
the reaction rate very markedly- A mechanism for the
photodeconposition of 03 is presented and shown to be
consistent with the data selected. (Author abstract modified)
14854
Schoen, Richard I»
LABORATORY MEASUREMENTS OF PHOTOIONIZATION, PHOTOEXCITATI0N AND
PHOTODETACHHENT. Boeing Scientific Research Labs., Seattle,
Wash., Geo-Astrophysics Lab., D1-82-0768, 75p«, Oct. 1968.
78 refsu (Presented at the Symposium on Laboratory Measurements
of Aeronomic Interest, International Association of
Geomagnetism and Aeronamy, Toronto, Canada, Sept. 3-4, 1968.)
CFSTI, CDC: AD 6B2082
Laboratory neasucements of ionization, fluorescence, and
photodetachment* limited tc molecules of aeronomic interest
but excluding atoms, are reviewed. Current data are presented
on photoionization cross sections, cross sections for the
excitation of particular states of ions, relative vibrational
excitation probabilities, phctcdetachment cross sections,
angular distributions of electrons from photoionization and
dissociative excitation of neutral molecules. The following
suggestions were made. At wavelengths where important solar
lines lie within strong band structure, measurements of
photoionization cross section of 02 and N2 with higher
resolution may be reguired. Because of conflicting data on the
photoionization cross sections of C02, further investigation
of the photoionization and photoabsorption cross sections may
be reguired. More work is required on the details of ionization
processes. The range of measurement should be extended to
wavelengths shorter than 400 A« There is need for a set of
accurate measurements at wavelengths of solar lines from
1274
PHOTOCHEMICAL OXIDANTS AMD AIR POLLUTION
-------
threshold to 100 1. These measurements must be made in a system
unaffected by the angular distribution of the charged particles,
(lore information is needed abcut angular distributions. The
combination of electron energy, ion energy# and fluorescence
measurements presents a powerful array for the analysis of
photoionization phenomena. It appears that the most accurate
cross sections for the excitation of those states which decay
by fluorescence can be obtained by combining the best cross
sections measured in electron energy experiments at 548 A with
relative fluorescence efficiencies measured over a range of
wavelengths of the exciting vacuum 0V radiation. Dispersion
of the fluorescent radiation is highly desirable, but care must
be taken to check for polarization effects# which may be
functions of the wavelength of the exciting radiation. In many
cases# fluorescence represents the best method for detecting
the existence of excited states,, it would seem that much more
work is required in the examination of fluorescence caused by
vacuum UV radiation at all wavelengths of incidence and for
¦ore molecules of aeronomlc interest.
14886
Chayanova, E.. I. and K. S. shifrin
THE SCATTERING INDICATSIX Of THE ATHOSPHERIC BOUNDARY LAYEH.
Bull. Acad. Sci. USSR, Phys. Atmos. Oceans (English translation
from Russian of: lzv„ Akad.. Mauk SSSR, Fiz. Atmosfer. 1 Okeana),
4(2) : 233-235, Feb. 1968* ft refs*
The diagrams developed by Foitzik and Zscbaeck are often used
as aerosol Indlcatrix of the atmospheric boundary layer, but
they exist only in the range of angles 16 to 164 deg or less
than 10 deg. Values in the small-angle range must be determined
by extrapolation. The formula used to check the validity of this
extrapolation is based on the condition that the attenuation
factor obtained in integrating the scattering indicatrix with
respect to the solid angle, and that calculated according to
the Kohscbaieder formula are one and the same. It does not#
in fact, allow the validity of extrapolation to 0 or 180 deg to
be checked. Normalized scattering indicatrices for angles
close to 0 and 180 deg and for visibilities 2 and 5 km are given.
They are derived from a comparison of the Foitzik and Zschaeck
diagrams with theoretical diagrams for power distribution.
1 power distribution is assumed to be in good accord with the
available information on atmospheric aerosol structure.
14909
Gunkin# F. v.# R. V« Karapetyan, and A. M. Prokhorov
DISSOCIATION OF MOLECULES IN A STRONG RADIATION FIELD. Soviet
Phys. JETP (English translation from Russian of: Zh. Eksperim.. i
Teor. Fiz., 20(1):145-148, Jan. 1965. 6 refs.
The probability of dissociation of molecules in the radiation
M. Basic Science and Technology
1275
-------
field of a ruby laser, when the magnitude of the quantum of
radiation is less than the dissociation energy, is considered.
It is hypothesized that dissociation of polar diatonic molecules
occurs by strong buildup of their oscillations, that is, by
means of excitation of high vibrational states of the molecules
with transition to the continuous spectrum- Analysis is carried
out by perturbation theory, and the probabilities for two-
and three-photon dissociation are calculated. Numerical estimates
show that the dissociation process due to the proposed mechanism
should be observable. {Author abstract modified)
11917
Jonathan, Seville
INFRARED SPECTROSCOPY APPLICATION TO CHEMICAL KINETIC SYSTEMS.
Southampton Oniv., Southampton, England, Dept. of Chemistry,
Contract AF61(052)-886, Proj. 8658-03, AFCRL-69-0055, 20p. ,
Oct. 21, 1968. 15 refs»
CFSTI, DDC: AD 683 772
Work carried out on atom-molecule and atom-atom reactions in the
gas phase is reported. A zeolite pump was designed for studying
the reactions at fast flow rates and low pressures. Results are
given of studies on three light emitting reactions: atomic oxygen
plus nitric oxide, atomic nitrogen recombination, and atomic
oxygen plus acetylene. The mechanism by which ozone is adsorbed
on silica gel was investigated using infrared absorption
spectroscopy. Spectra were obtained for ozone, carbonyl
sulfide, and sulfur dioxide adsorbed on an Aerosil pressed
disc sample. In each case, a new band was detected at a lower
freguency than that due to unperturbed hydroxy 1 groups, and the
new band was found to increase in intensity as the latter
decreased. Shifts were measured at various temperatures, and the
results explained in terms of the formation of a hydrogen bond
between the hydroxyl group on the adsorbent surface and the
adsorbate molecule. The temperature dependence of the shift is
alsc consistent with the known properties of the hydrogen bond.
As the temperature is increased, the hydrogen bond becomes weaker,
and the frequency of the hydroxyl band approaches the value for a
free hydroxyl group. It is suggested that both ozone and sulfur
dioxide are adsorbed on silica gel through their central atoms
rather than through their terminal oxygen atoms.
15000
Bullrich, K„, R. Eiden, G. Eschelbach, K. Fischer, G„ Haenel, K.
Eeger, H» Schcllmayer, and G. Steinhorst
BIS1ARCB OH ATBOSPHESIC OPTICAL RADIATION TRANSMISSION- THE
TRIPLE SCATTERING AND THE INFLUENCE OF THE ANGOLAS DEPENDENT
REFLECTED RADIATION IN THE TURBID ATMOSPHERE. Johannes-
Gutenberg-Universitaet, Bainz, Germany, Inst, fuer Heteorologie
Contract F 61052-67-C-0046, AFCRl-69-0266, Final Report, p. 82-111:
Jan. 1969. 38 refs.
1276
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
^he radiation on the earth"s surface after triple scattering
gaseous and aerosol particles is computed for a homogeneous
and plane parallel atmosphere. The calculations are discussed
i® detail.. Theoretical treatment is applied to the reflectivity
albedo of the surface of the earth, reflection of direct
solar radiation and sky light, and the attenuation of the
r®flected radiation by the atmosphere. The smooth curves and
the computed intensity values plotted show distinct departures
for triple scattering. This implies numerical instability at
the integration processes which mainly result from the scattering
finction-
15019
p<=rter, G. and J. I. steinfeld
GlANT-PULSE-LASER F1ASH PHOTOIYSIS OF PHTHA10CYANINE VAPQH.
Chem. Phys.. , vol. 45:3456-3457, 1966. 6 refs„
*lash photolysis was conducted on phthalocyanine gas to
investigate the radiationless processes. Conventional flash
Photolysis, using a 220-J discharge through flash tubes filled
*ith 3 torr of oxygen, produced a depletion of singlet
absorption followed by extremely rapid recovery, faster than
could be resolved by the apparatus. When a Q-switched ruby
laser flash passed through the vapor, a large, fast depletion
°f absorbing molecules was observed, followed by a slow recovery.
The slow recovery is due to the vaporization of excess solid in
the sample tube and subsequent diffusion of the vapor into the
absorbing region; thus, the laser flash irreversibly decomposes
a large fraction of the phthalocyanine molecules in its path.
If the Q-switch is removed from the laser and the full 40-J pulse
is passed through the sample, no decomposition is observed. This
strongly suggests that a process involving two photons is
Responsible for the photodissociation. When a similar experiment
is carried out in chloronapthalene solution at 25 C, the singlet
absorption recovers more quickly, and there is apparently no
Photodissociation. A possible explanation for this, suggested
by the observation tbat the fluorescence yield decreases by a
factor of 77 in going frcm solution at 25 C to vapor at 450 C,
is that the second photon is absorbed by a metastable state HI,
which could be the lowest triplet or a singlet of different
electronic symmetry, producing a state M2, which dissociates.
Since the crossing rate has an apparent activation energy of
4..S-7.5 kcal/mole, this process will be favored at high
temperatures* An additional effect which might be operative is
the rapid relaxation of fil by solvent. This mechanism is
supported by our results for conventional flash photolysis of
tetraphenylporphyrin at 310-350 c, which absorbs at 4010 A*
15024
Porter, B.. N-
THEOFETICAL STODIES OP H0T-ATCB REACTIONS. I. GENERAL
FORMATION- J.. Chem. Physics, 45(6): 2284-2291, Sept. 15, 1966«
2 3 refs.
M. Basic Science and Technology
1277
-------
Feacticns of atoms excited translationally by photolysis or
nuclear recoil (i.e., hot-atom reactions) offer information about
collision dynamics different from that derived from studies of
thermally activated processes* However, only approximate models
have been available for interpreting hot-atom experiments. The
imminent possibility of correlating hot-atom results with
team and thermal kinetic theory to obtain dynamic information
and to test theoretical models necessitates a general theory
without restrictive approximations. The theory developed in the
present investigation is free of restrictions on the energy range
and applicable to both the photochemical and nuclear recoil
experiments. Unlike the neutron theory on which most theories
of hot-atom chemistry are based, it takes into account both
inelastic scattering and initial motion of target molecules.
The temperature dependence of the integral-reaction probability
is included in the formulation. The basic integral equation
is solved by iteration for the integral reaction probability
(relative yield) as a function cf hot-atom eiergy.
15028
Boss, Robert T.
SOHE THERHODYNAHICS OF PHOTOCHEMICAL SYSTEMS- J. Chem.. Phys.,
46(12) :4590-4593« June 15, 1967. 21 refs.
A limit on the thermodynamic potential difference between the
ground and excited states of any photochemical system is
established by evaluating the potential difference at which
the rate of photon absorption and emission are egual* If
incident-light intensity and absorption spectrum are known,
the potential difference can be calculated from the Planck law
relationship. The actual potential developed may be evaluated
if the guantum yield of luminescence is known. Knowledge of
this potential is particularly useful in analyzing the
energetics of photosynthesis. This process can be reversed.
From knowledge of a luminefcence spectrum, it is possible to
infer the absorption spectrum of the species responsible..
Given the order-of-magnitude estimates for the luminescence
yield and the extinction coefficient, it is possible to
calculate the chemical potential difference required to generate
the luminescence. This procedure is useful in examining
mechanisms in electroluminescence, chemiluminescence, and
biolum inescence..
15045
Cxosley, David F.
USE OF OPTICA! PUWEING TO DETECT FBEE RADICALS DUPING A GAS-PHASE
PHOTOLYSIS* J.. Chem. phys., 47 (4); 136 1-1368, Aug. 15, 1967.
32 refs.
An optically pumped system of rubidium was used as a probe to
measure the concentration of free radicals present durinq the
vacuum-ultraviolet photolysis cf five hydrocarbons. The
mechanism for this measurement is the reduction of the relaxation
1278 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
/
-------
tine of the oriented rubidium in the presence of radicals,
due to the large spin exchange interaction between the two
species. Measurements were made at two different pressures
each on methane, ethane, propane, butane, and isobutane and
both relative and absolute approximate quanta* yields for
radical production were determined- Separate detection of
hydrogen atoms daring the photolysis, through spin exchange
coupled electron spin resonance is discussed. This Method
of directly detecting free-radical intermediates appears to
be a useful complement to standard experiments in which reaction
mechanisms are deduced from analysis of final products of
the photolysis. (Author abstract modified}
150U6
Herkstroeter, William G.. and George S. Hammond
BBCHRNISMS OP PHOTOCHEMICAL REACTIONS IN SOIOTION. XXXIX- STUDY
OF ENEBGY TRANSFER BY KINETIC SPKIROPHOTOSETR»m.. Chem.
Soc-# 88(21):«769-4777, Nov. 4, 1966., 26 refs.
Conventional flash techniques were used to measure the
acceleration of the decay of various sensitizer triplets in the
presence of energy acceptors- An extensive study was made of
the stilbenes and 1,2-diphenylpropenes as acceptors. The results
are correlated with those obtained earlier in studies of the
photosensitized cistrans isomerization of the same substrates.
The reactivity in energy transfer remains remarkably high with
these substrates even when the triplet excitation energy of the
sensitizer is insufficient to produce any known optical
transition of the substrates- The result is in 'good agreement
with the hypothesis that flexible molecules can undergo
•non-vertical" transitions to produce twisted geometric forms
directly. (Author abstract modified)
15051
Douglas, A. I.
A8CHMODSLY LCKG RADIATION LIFETIMES OF MOLECULAF EXCITEE
STATES- J. Chem., Phys., US (3) : 1007-1015, Aug.. 1, 1966. 15 refs-
certain excited states cf molecules have anomalously long
radiative lifetimes compared with the values calculated from
integrated absorption coefficients. Using the properties of the
stationary states, four mechanisms which may account for such
anomalous lifetimes in collisicn-free molecules are presented.
Although the four mechanisms bear a one-to-one relationship
to those vhich have been discussed using semiclassical concepts,
certain consequences of the more exact treatment do not appear
in the semiclassical approach* In particular, it is shown that
the two mechanisms which are most important for polyatomic
molecules lead to highly perturbed energy levels and
correspondingly complex spectra. The spectra of H02, S02, and
C52 molecules, which have anomalously long lifetimes, also
M. Basic Science and Technology
1279
-------
appear to have perturbed energy levels. This observation is in
agreement with the concept that the long lifetimes arise from
a mixing of the vibrational levels within one state or a mixing
of the levels of two electronic states. An investigation of
additional molecules should shew further examples of anomalous
lifetimes; it is expected that for some molecules, the various
vibrational and rotational levels of one electronic state will
show a wide range of lifetimes. It appears probable that all
the effects attributed to intersystem crossing of collision-free
molecules can also be treated in terms of perturbations of the
stationary state of the molecule..
15055
Eisenthal, K. B.» W. L. Peticolas, and K„ E. Bieckhoff
laseh-inducfd luminescence asd DISSOCIATION IN BIPHENYLo J. Chem.
Shys., H4(12) :!Kt92-iW97, June 15, 1966. 16 refs.
The interaction of the radiation field of an unfocused ruby laser
with molecules containing a phenyl-phenyl or benzyl-benzyl
single bond gave rise to a new luminescence.. This luminescence
is linearly dependent on the molecular concentration and
proportional to either the secend or the third power of the laser
intensity.. Thus it appears that a multiphoton abosrption is
occurring™ The absorption does not appear to involve the
electronic states of the molecules. This luminescence occurs
throughout the visible region and bears no resemblance whatever
to either the normal fluorescence or phosphorescence* Because
of the exceedingly high laser intensities or electric fields
necessary for electronic dielectric breakdown it appears that
this mechanism is not of importance. It is suggested that
multiphoton vibrational excitation to a dissociative state of
the molecule may occur which leads to molecular fragmentation.
This process is followed by a chemiluninescent emission. A
quantitative comparison of the experimental results with a
theoretical treatment of multiphoton vibrational dissociation
is made. (Author abstract modified)
15056
Sucov, E.. W.., J. L. Pack, A. V. Phelps, and A.. G. Engelhardt
PIASBA PRODUCTION BY A HIGH-POSEF Q-SWITCHED LASER. Phye»
Fluids, 10(9) :2035-20«8, Sept.. 1967. 43 refs.
Studies were made of the confinement in a magnetic mirror of
plasmas produced by focusing a Q-switched laser beam on
aluminum disks, foils, and spheres. High speed photographs
show that, in the absence of a confining magnetic field, the
plasma generated frcm ball targets is rcughly symmetrical while
one component of the plasma generated from flat targets is
asymmetric and moves toward the laser with a velocity of about
10 to the seventh cm/sec. A second component, which is more
nearly symmetric, expands with a velocity of approximately 2 times
1280
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
ten to the sixth cm/sec.. The expansion velocities are not
appreciably reduced in a m-6-1# kG mirror field. However, the
duration of the luminosity frou a slower constituent of the
plasma increases from 1 microsec to about 5 microsec
microwave interferometer measurements show an electron density
of about 5 times 10 to the eleventh reciprocal cm at times
as late as 50 microsec. Electrostatic probes verify that the
maximum expansion velocity corresponds to an ion kinetic energy
of about 1..4 JceV. Time integrated spectra of the plasma show
lines from Al(III). Microwave attenuation measurements lead to
an apparent electron temperature of the order of 0..03 eV at times
later than 1 microsec., Analysis of microwave data shows that
radial density gradients probably exist in some plasmas. (Author
abstract modified)
15071
Phelps, A. V.
THEORY OF GHOWTH OF IONIZATION DI3RISG LASEE BREAKDOWN. In:
Physics of Quantum Electronics. P. L„ Kelley, B. lax, and
P. E» Tannewald (eds.), New York, McGraw-Hill, 1966, p. 538-547.
32 rets™
theoretical calculations are Dade of the rate of growth of
ionization by electron impact with atoms and molecules in the
presence of an intense laser bean. The excitation and ionization
coefficients are calculated using HoXstein's formula for the
free-free absorption coefficient and u£ing previously
determined elastic- and inelastic-scattering cross sections.
The agreement with experimental measurements of the time of
breakdown is satisfactory if one assumes that initiating
electrons are readily produced by the laser and that some of the
atcns or molecules excited by electron impact are immediately
photoionized. Resolution of the phctoionization theory will
require experiments using a laser having a smoother time and
spatial variation of intensity in the focal region than those
previously used. (Author abstract modified)
1511ft
Polanyi, J* c.
PROPOSAL FOB AS IHFRABED BASES DEPENDED! OH VIBBATIONA1
EXCITATION., J„ Chem. Phys„, vol. 3
-------
transitions within a band. If the products of the chemical
reaction as originally formed are in an inverted populated
distribution, the experimental conditions which would be
expected to favor the maintenance of a stationary condition of
inversion are: (1) low tenperature and pressure tc minimize
collisional deactivation, with fast flow beyond the reagent
mixing point, and (2) a pulsed reaction followed by synchronized
pulsed operation as an iraser- If the method of vibrational
excitation does not result in an initial population inversion,
a complete population inversion under stationary-state
conditions night in principle be brought about by (3) specific
depopulation of some vibrational levels below the highest
populated level by inelastic collisions, or (4) by specific
depopulation by chemical reaction of the vibrators within a
limited range of vibrational levels below the highest populated
level- In addition, (5) *partial cooling* should be a more
general method, though it cnly offers the possiblity of
achieving partial inversion where none existed before.
15115
Epstein, I. H« and K« H. Sun
CHEMICAL BE ACTIONS INDUCED IN GASES EX MEANS OF A LASER- Nature,
211 (5054) :1173-1174, Sept., 10, 1966. 1 ref-
In the course of studying the heating of gases by laser light
pulses, residual gases were analyzed and in some cases a
significant change in composition was found. The gases irradiated
were CH4, 10XCH4-90HN2, C02, 20XCO2-80XD2, 73*H2-27*N2,
55S02-45XN2, and solid graphite in H2. Although the temperature
within the directly irradiated volume was sufficient to cause
complete dissociation and ionization, the low overall energy
requirements imply that the number of molecules decomposed
far exceeded the number originally ionized, and that most of the
molecules decomposed received their energy indirectly. The
pattern of product formation is what would be expected from high
temperature reactions rather than from ionizing radiation. Thus
there cannot be a large contribution resulting from any mechanism
which involves irradiation from the cold gas with ions or hot
atoms from the plasma. The reactions which did occur proceeded
with 10-20% energy efficiency. The work indicated that the
giant Fulse laser can be conveniently used to study very high
temperature chemical reactions. Studies to establish the
dependence of yield on intensity and configuration of focal
spat would also determine the usefulness of the method as an
absolute dosimeter or calorimeter for laser shots*
15118
Tiffany, H. B.., H.. H. Hoos, and A. I. Schawlow
SELECTIVE LASEB PHOTOCATALYSIS CF BBCMINE REACTIONS™ Science,
157(3784):4C-43, July 7. 1967. 20 refs„
The nature and dynamics of a gaseous chemical reaction were
1282
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
studied by monochromatic laser light-induced photocatalysis.
This was the first reported photochemical reaction of bromine
with light in the reciprocal cm spectral region.
High-resolution absorption spectra of samples of pure Br2(79)
and pure Br2(81) and natural Ei2 were taken with a scanning
spectrometer. In spite of the extremely close spacing of the
individual lines, the spectrum of natural Br2 and certain strong
lines belonging to the pure isotopes were indicated. From the
addition of fluorocarbons to the brcmine, it was shown that
the primary photochemical process was the formation of stable
excited bromine molecules with energies 500-800 reciprocal cm
below the dissociation level. Thus, the use of monochromatic
tunable laser light provided the first evidence of a photochemical
reaction of bromine in which excited molecules, not atoms, were
formed in the primary process. The mechanism of the subsequent
reaction consists of collisional dissociation of the excited
molecules into atoms, which then initiated free-radical chains.
A quantitative estimate of the collisional electronic relaxation
rate for excited bromine molecules was obtained, and a new upper
limit to the continuous absorption strength at 1(1,400 reciprocal
cm was determined*
15122
Cosby, William Trevor and Clive Richard Smith
PROHOTIOH OF CHEMICAL REACTIONS BT ELECTRICAL DISCHARGE- (Holmes
(*„ C») 6 Co.. Ltd*, Huddersfield, England) Brit. Pat. 1,009,331.
3p., Nov.. 1965. (Appl. Nov. 12, 1960, 15 claims)«
A method of inducing a chemical reaction is described in which
the reactant is subjected to a diffused electrical discharge
produced by the application of a high-frequency, high-voltage
supply between a pair of electrodes having at least one
dielectric screen imposed between them. The power of the diffuse
discharge is greater than 7.2 watts/cu cm, as produced by a
voltage of several KV and a frequency of several hundred Kc/sec.
Such an electrical discharge aay be applied with or without a
catalyst being present. Each screen is formed from a dielectric
material having a high melting or softening point in the case
of local heating; quartz* fused silica* or ceramic or mica
compositions can be used. By the insertion of the screen or
screens between the electrodes, the discharge passes between
each screen and each pair of electrodes, diffusing the discharge
and preventing flash-over. To demonstrate the principle, the
oxidation of sulfur dioxide to sulfur trioxide is described.
15130
Haught, Alan F«., Russell 6.. Meyerand, Jr., and David C. smith
ELECTRICAL BREAKDOWN OP GASBS B? OPTICAL FREQUENCY RADIATION.
In: Physics of Quantum Electronics. P. L. Kellay and P.. E»
Tannewald (eds), New Tork, BcGraw-Hill Col, 1966, p. 509-519
9 refs.
M. Basic Science and Technology
1283
-------
The electrical breakdown, i.e., ionization, of gases by high-
intensity optical frequency radiation was studied in argon,
helium, and neon from 1 atm to 2000 psi and with both ruby and
neodymium laser radiation. Studies of the attenuation of the
incident laser bean were carried out, and it was established
that the energy removed from the optical bean is not scattered
at the laser frequency or reradiated by excited atoms but instead
is absorbed by the breakdown plasma. The effects of diffusion-
like losses on the breakdown threshold were examined by varying
the focal volume within which the breakdown is formed.
Experimentally, the breakdown threshold is inversely related
to the dimensions of the focus volume, indicating that
diffusion-like losses are present and play a significant role
in the development of optical frequency breakdown. Studies of
the focal volume dependence with neodymium irradiation show that
for the larger focal volumes there is a pronounced minimum in
the breakdown threshold vs pressure curves. Measurements for a
given gas and focal volume were made with both ruby and neodymium
radiation to determine the frequency dependence of the breakdown.
Keodymium gives a lower breakdown threshold than ruby at low
pressures.. At high pressures, the neodymium data approach those
for ruby as a result of the irinimum observed with neodymium.,
(A uthor abstract modified)
15139
Tiffany, V. B..
SELECTIVE PHOTOCHEHISTRY OF BROMINE OSING A R0BY LASER. J. Chem.
Phys., 18(7):3019-3031, April 1, 1968. 46 refs„
Gas-phase photochemical addition cf bromine to olefin molecules
was studied by inducing the reaction with monochromatic light
near 6940 A from a pulsed, tunable ruby laser. All previous
photochemical reactions of bromine were induced with light at
wavelengths shorter than 6800 A, and were found to proceed by
means of free radical chains. The Br atoms initiating these
chains are produced by direct dissociation of Br2 molecules upon
absorption of light in the continuum. The present investigation
shows that free-radical chains are responsible for the reaction
at 6940 A, also. However, direct dissociation at this wavelength
is found to be negligible, and the Br2 molecules are excited
to individual bound levels 500 to 800/cm(-1) below the
dissociation energy. Kinetic and isotopic evidence shows that
the additional energy is furnished by subsequent collisions, so
that about 1* of the excited Br2 molecules become dissociated
and can initiate the reaction. The remaining excited Br2 molecules
relax by collisions to the ground state at a rate somewhat higher
than the gas-kinetic-collisicn rate. It was shown that selective
laser excitation provides information about dynamic molecular
processes which is not easily ottained using other methods.
(Author abstract modified)
15140
Wilson, David J.
ttiOTOCHEKICAL REACTIONS IN THE GAS -PHASE AND SLATER'S *KEH
1284
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
APPROACH TO RATE THEORY*. J- Chem. Phys., 38 (5): 1098-1100, March
1, 1963. 9 refs.
Slater's "New Approach to Rate Theory1 is used to mathematically
analyze two simple gas-phase photochemical mechanisms in detail.
Quantum yields are calculated as functions of pressure, and the
qualitative nature of the plots is discussed. Statistical methods
are used to develop consistency theorems for checking experimental
plots of quantum yield versus pressure against the theory.
(Author abstract modified)
15166
Boruzzi, J. «J« EVin, Jr., and A. V. Phelps
ELECTRON PRODUCTION BY ASSOCIATIVE DETACHMENT OF O(-) IONS WITH
NO, CO, AHD H2.. J. Chem. Phys., 08 (7): 3010-3076, April 1,
1966,. 26 refs»
Electron currents produced in associative detachment reactions
involving 0<-) ions were detected and measured in an electron
drift tube. The reactions studied Here those between O(-) and NO,
0(-) and CO, and O(-) and H2. The associative-detachment rate
coefficients were obtained frcn analyses of the electron current
waveforms.. The results indicate that the associative detachment
proceeds by a two-body process™ The observed rate coefficients
are consistent with results obtained from studies of 0 (-)
destruction using Bass spectrometric techniques. Associative
detachment rate coefficients of 2.2, 6.5, and 7.5 times 10 to the
minus 10th power cu cm/sec were measured at near-thermal ion
energies for the O(-) plus NO, 0(-} plus CO, and the 0(-) plus
H2 reactions, respectively. The average energy of the O(-) ions
ranged from thermal up to 0.. 16 eV. A search for a reaction
between 02(—} and CO was unsuccessful, indicating that the rate
coefficient of this reaction is less than 10 to the minus 10th
power cu cum/sec. (Author abstract modified)
151 80
Large, L« and H. Hill
A COMPACT PULSED GAS LASER FOR THE 5AR INFRARED* Appl.. Opt.,
0(5):625-626, May 1965. 0 refs„
Stimulated emission in the far infrared has been observed by a
number of workers usinq pulsed electrical discharge through
gases at low pressure. The spectcum is rich in oscillations
between 16 and 120 microns when water vapor or heavy water vapor
discharges are used; an oscillation has been reported at 337
microns using an HCN discharge* The power outputs from these
laser sources far exceed anything previously obtainable for the
far infrared. The resonators used in these experiments were
several meters in length and the discharge tubes require
subsidiary vacuum systems. To provide a more convenient
source for this spectral reqion, a compact sealed-off laser was
developed from the 0«8-» tube originally used. The source is
M. Basic Science and Technology
1285
-------
designed to operate at 27.9 microns to take advantage of the strong
oscillation obtained from the pulsed water vapor discharge at
this wavelength. This region of the spectrum may be particularly
useful for Faraday rotation measurements of magnetic fields
in plasmas* (Author introduction modified)
15191
Paulson, J. P.
SCME NEGATIVE ION REACTIONS IN SIBPIE GASES. In: Symp. Ion-
Molecule Reactions in the Gas Phase, Robert F» Gould (ed.,) ,
Hashington, D.. C. , American Chemical Society, 1966, p. 28-43.,
20 refs„ (Presented at the Am. Chem„ soc., 152nd Meeting,
New York, N.. Y. , Sept. 12-13, 1966.)
Charge transfer and ion-atom interchange reactions of P(-) with
D20 and of O(-) with 02, N20, and N02 were studied with a
magnetic sector mass spectrometer. Competition between electron
transfer and ion-atom interchange was observed in the production
cf 02(-| by reactions of 0 (-) with 02, an endothermic reaction..
The neqative ion of the reacting molecules is formed in 02,
N20, and N02, but not in D20. Hate constants were estimated
as a function of repeller potential* These studies are
considered preliminary in the sense that the rate constants
obtained are averages over a wide range of interaction energies
and may not apply to ions having well-defined kinetic energies*
Definitive tests of the dependence of these rate constants upon
kinetic energy can only be carried out using ion beam techniques
in which angular distributions of the products are measured..
(Author abstract modified)
15225
Kiescher,
ANALYSIS OF THE SPECTRUM OF THE NITBIC CXIDE HOIFCUIF- {Basel
Dniv.. (Switzerland), Dept. of Fhysics, Grant AF-EOAF-65-74,
AFCHL-69-0268, 9p*, April 15, 1969. 17 refs.
CDC: AD 689 398
The vacuum-ultraviolet absorption spectrum of four different
isotopes of nitric oxide gas was photographed with the most
powerful existing spectrographs.. The infrared and the visible
emission spectrum emanating from a discharge through rapidly
streaming MO also was recorded with very large instruments.
In the vacuum-ultraviolet, it was photographed with a 1 meter
grating. Comprehensive rotational analyses of the many hand
structures observed on the plates were carried out. The result
of the investigation is the knowledge of the excited states of
the NO molecule exceeding the present knowledge for any other
molecule as far as completeness and theoretical understanding
is concerned. Several novel features in band structures could
be studied, particularly electronic interactions and extreme
Fydberg state uncoupling. Important molecular constants could
be derived with high accuracy., (Author abstract modified)
1286 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
/
-------
15227
Siles, F. E.
AIR-LIKE DISCHARGES WITH C02, SO, N02, AND N20 AS IMPURITIES.
Ballistic Research Labs., Aberdeen Proving Ground, Md. , ERL-B-1437,
73p-, June 1969. 1H refs.
AD 690816
Computer solutions to 24 tines-rate-of-change equations were
obtained for air-like discharges attainable in a laboratory
designed for the study of reactions of ionospheric importance.
The manner in which the solutions are affected by initial number
densities of CQ2, NO, N02, and N20, corresponding to the
impurity levels of 0, 0-1, 10, and 1000 ppm, is presented.
Solution of the time-rate-of-cbange equations demonstrated the
importance of Knowing the initial concentrations of minor
constituents* The initial H20 densities did not affect the
solutions. The initial C02 densities are not very important to
the solutions. The C03(-J solutions are influenced by the
ozone density, which is affected by the N02 density. The
initial K02 density greatly affects the reactions forming the
negative ions. The initial NO density greatly affects the
observable positive ion densities. While the solutions were
obtained for the laboratory facility, similar effects on the
charged particles in the upper atmosphere can be expected for
various densities of NO and N02. Hence, measurements of the
NO and N02 densities should accompany charged particle
measurements in the upper atmosphere.
15235
Eichmeier, J.
MOBILITY SPECTROGRAMS OF NATDHAL
OF SMALL AND MEDIUM-SIZED IONS.
1967., 13 refs. Translated from
Service, Cambridge, Mass., 10p.,
CFSTI: AD 8U0566
ATMOSPHERIC IONS FCR THE EEGI0N
Z. Angew. Phys., 23 (U) : 256-260,
German. Information Gathering
July 1968, AFCRL-6 8-0388..
Mobility spectrograms of natural atmospheric ions were made in
the laboratory with an aspiration mobility spectrometer
consisting of a cylindrical condenser with a single divided
electrode and circular ion gas. The spectrograms are
reproduced. Within the mobility range 0.05 less than k less than
2 sq cm/Vsec# the mobility spectrum cf natural positive and
negative ions, as recorded in a closed room, shows a current
maximum within the range of small ions which is located at
1.4 sq cm/Vsec for positive ions and 1.8 sq sm/Vsec for anions.
Different current maxima cannot be identified in the range of
medium-sized iors„ The recording of daily changes of the
mobility spectrum of positive ions in the same mobility range
extended over six days. The mobility spectrogram shows a
distinct change over a whole day. The daily changes of the
spectral distribution of small and medium-sized ions follow
roughly parallel curves. The mobility spectrum of natural
M. Basic Science and Technology
1287
-------
positive and negative atmospheric ions in the nobility range
0..003U less than k less than 2 sg cm/Vsec for open windows is
shown in a doubly logarithmic graph. The figure indicates
that the complete mobility spectrum of natural atmospheric
ions consists of only two concentration maxima: a small and
narrow maximum in the region of snail ions and a wide and
high maximum in the region of large ions.
15243
Beijer, fl. J..
THE PHILIPS-STIRLING ENGINE, (Der Fhilips-Stirlingmotor).
Text in German. Motortech- Z. (Stuttgart), 29{7}:2e«-298, July
I960. 14 refs.
The development of the Philips-Stirling engine is described and its
advantages are enumerated. The engine is based on the principle of
moving gas back and forth between a hot chamber and a cold chamber
by a displacement piston- Development of the Stirling principle
began in 1938 in the Philips research laboratories with the
construction of small hot-air engines* Through the invention of
the double acting engine, the path to larger Stirling engines was
opened- Development of the rhombic gear in 1953 permitted
operation with a pressureless crankcase. Hydrogen and helium
replaced air* The engine efficiency could be raised to 38%, the
specific power to 110 hp teferred to the piston displacement
volume. Eetter gaskets improved the longevity of the engine. The
problems of thermal tension and heat transfer have been solved,
laboratory models of 10, 10, and 90 hp per cylinder have been built
and tested while experiments on a model with 400 hp per cylinder
are under way. A Stirling engine performs as well as or even
better than a diesel engine. If the Stirling engine is driven with
a fossil fuel, the exhaust gases are quite clean* They contain no
CO or hydrocarbons owing to a steady combustion in a chamber fenced
in by hot walls,. Concentrations of NO and N02 are low. A table
comparing the exhaust gas composition of the Stirling engine with
a gas turbine indicates this quite clearly. The reason for the
redaction in emissions is not fully understood since flase
temperatures in the burner are very high. To study the
relationship between the temperature of the preheated air and
the NOx content, an electrically driven air preheater was
installed in a 90 hp one-cylinder engine. It was found that the
NOx content decreases with decreasing temperature of the
preheated air. If part of the exhaust gas is returned to the
combustion air, the NO content can be further reduced.
15253
Young, H„ A.., G. Black, and T. G. Slanger
VAC0UM-ULTFAVI0LET PHOTOLYSIS OP N20. III.
0(S1). J. Chen. Phys.., 50<1) : 309-311, Jan..
{Also: Stanford Research Inst., Penlo Park,
Da-31-124-AH0-D-434 and DA-31-124-1H0-D-446
Repts,, 5134.. 11 -P and 6093,11-C, 1969.)
AD 686936
REACTION BATES OF
1, 1969.. 13 refs.
Calif., Contracts
and Grant 54ft,
1288
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Photolyses of N20 at 1470 A (Xe resonance lamp) and C02 at 1048 +
1067 A (argon resonance lamp) were used as sources of 0(S 1)
atoms. Quenching rate coefficients for this species relative
to those for N20 or C02 were determined for a wide variety of
gases (NO, C2N2, 02, CO, H2, CHI, N2, Ar, He, ethylene, and
acetylene)„
15259
Moyes, A., J. and C» B„ Smith
COMPARATIVE RESULTS FOB THE THIRKAI AND ELECTRONIC ACTIVATION
OF MIXTURES OF SOLPHOR DIOXIEE ABE OXYGEN- Chen. Eng. (Icndcn),
43 (190):163-166( July-Aug. 1965. 7 refs.
Experiments in gas electrolysis are reported. Oxidation of sulfur
dioxide to sulfur trioxide was investigated in a nondisruptive
electrical discharge cell at atmospheric pressures and below.
The experimental results are compared with published data for
the catalytic reaction. Hith thermal reactions tfce voluae of
catalyst required to achieve conversion rises rapidly with an
increase in sulfur dioxide concentration in the gases. Hith
electronic activation the increase in reactor volume is less
pronounced, and is proportionate to the sulfur dioxide flow rate.
The rate of thermal oxidation of sulfur dioxide increases
linearly with the oxygen content of the mixture. The sulfur
dioxide concentration is critical in discharge reactions. Excess
oxygen has no effect on the sulfur trioxide yield. It is
suggested that in the discharge, electronic activation of the
gas molecules occurs in the gas phase and that the overall
reaction rate depends on the difference between two apparently
first-crder reactions. Although it is shown theoretically that
electronic activation may be more efficient than thermal
activation, it is unlikely to have industrial potential for
exothermic reactions for which a suitable catalyst is commercially
available. (Author abstract modified)
15272
Young, R, A., G„ Black, and T. G. S la tiger
VACUUM-ULTRAVIOLET PHOTOLYSIS OP 820. II. DEACTIVATION OP
N2 ( A 3 (SIGMA SUB H) +) ANT! N2(B 3(PI SOB G)} . J. Chen. Phys.,
50(1):303-3C8, Jan. 1, 1969„ 27 refs» (Also: Stanford
Research Inst., Menlo Park, Calif., Contracts DA-31-124-BR0-D-434
and DA-31-124-AH0-D-446 and Grant 6A-544, Repts, 513«-10-P and
6C93-10-C, 1969.)
AD: 687C64
Quenching of N2(A 3(sigma sub u)+), produced during
photodissociation of N20 by 1470 A radiation, was studied using
the NO gamma-band emission as a monitor. The relative quenching
efficiencies of a variety of gases are given. At 1236 A* the
state of N2(B 3(pi sub g)) was produced during photolysis of
N20 and the variation of the intensity of N2 first positive
M. Baste Science and Technology
1289
-------
emission with N20 pressure was used to evaluate the quenching
rate of N2(B 3(pi sub g)) by N20„ The value obtained was 1.6
tines 10 to the minus 10th cc./aolecule/sec. Quenching
efficiencies for other gases 4NA3, NO, C2N2, 02, CO, C02, H2,
CH«, N2, Ar, He, ethylene, and acetylene) were determined
relative to N20 and are given. (Author abstract modified)
15281
Antonini, Eraldo
KINETIC STUDIES ON HOMOPROTEINS BY FLASH PHOTOLYSIS. Rome
Univ.. (Italy) , Institute di Chimica Biologica, Grant AF
EOAR 68-000**, Final Rept. AFOSF 69-0U00TR, Ep. , Jan., 31, 1969.
3 refs.
AD 683715
The reaction kinetics of CO-heme with apoperoxidase were studied
in a rapid mixing-flash photolysis experiments. It was found
that the combination of CO-heme with apoperoxidase is a very
fast process. The compound formed was combined with CO and it was
found that after a few milliseconds, the kinetics of the CO
reaction are the sane as that cf natural peroxidase. Myoglobins
reconstituted from globins and hemes differing from protcheme in
the side chains 2 and H of the porphyrin were obtained, and the
kinetics of the reaction of myoglobin with CO were studied.
The rate constants for combination with CO of proto-, meso-, and
deuteromyoglobin are in the ratio of 1:1;3 for the products
obtained from whale myoglobin. The reconstituted products from
Aplysia myoglobin gave rates corresponding to the ratios of
1:1:50. thus, the effect of substituting henes differing from
protoheme depends on the type of protein used in the
reconstitution. The rates of combination of the isolated chains
of human hemoglobin with oxyqen were also measured by flash
photolysis and stopped-flcw methods. A significant discrepancy
was noted in the association rates in the case of the beta
chains. The functional properties of a hemoglobin carrying only
heme on the alpha chains were investigated. The protein showed
nearly hyperbolic oxygen equilibrium curves with 3-10 times
higher oxygen affinity than normal hemoglobin, depending on the
pH» The Bohr effect is present but is about one-half that of
normal hemoglobin. The oxygen binding behavior of the
hemecytrin of Sipunculus nudus was studied. The oxygen
equilibrium showed only a slight site-site (homotrophic)
interaction; there was no Bohr effect. The dissociation of
oxyhemerytrin in the presence of sodium dithionite does not
adhere to strict first-order kinetics but tends to slow down
as the reaction proceeds.
15317
Hagopian, Erivan
INSTRUMENT SOR DETERMINING OZONE. (Cabot Corp., Boston, Mass.)
0. S. Pat. 3,i»6*i,797.. 3p», Sept. 2, 1969. 2 refs. (Appl.
Oct. 26, 1966, 5 claims).
1290
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
A process for measuring the quantity of ozone in multicomponent
gas streams entails catalytically decomposing ozone to oxygen,
dissipating the heat of the reaction* and measuring a difference
in thermal conductivities. The apparatus in which the process
is carried out provides for the separation of the ozone-bearing
gas into two substreams. One stream flows directly to the first
of two themal conductivity cells, while the other flows through
a bed of activated charcoal on which decomposition occurs before
it is carried to the second cell. Since equilibrium is maintained
by a simple heat exchange, the apparatus can be calibrated more
easily and less frequently than existing analyzers. Decomposition
can be carried out over a broad temperature range.
15380
Kraus, K.» It. Mueller-Duysing, and H» Neuert
COLLISIONS OP SLOW NEGATIVE IONS WITH CHARGE TRANSFER. Air
?orce Cambridge Research Labs-, Bedford, Bass*, Office of
Aerospace Research, Report AFCRL-68-C580, 9p.., Nov.. 1968„ 6
refs. Translated from German- (Also: Z„ Naturforsch, vol. 16a:
1385-1387, 1961.)
CFSTI: AD 844772
A mass spectrometer was used to observe collision processes of
slow ions with other gas molecules in which charge transfers
occurred. It was found that collisions of CS (-) ions with 502
molecules lead to S02(-> and collisions of NH2(-) with S02 or
CS2 molecules lead to S02 (-) and to CS2(-J. Estimates of the
different electron affinities (EA) indicate that EA(SO) is about
1 ev and EA (S02) is only 0-1 eV greater at the most. (Author
abstract modified}
15138
Foss, Robert T.
THERMODYNAMIC LIMITATIONS ON THE CONVERSION CF RADIANT ENERGY
INTO WORK. J. Chem. Phys„, 45(1):1-7, July 1, 1966, 12 refs.
Factors affecting solar-energy conversion in photoelectrical and
photochemical systems are reviewed. Sources of inefficiency in the
transformation of light into work that can be considered in
thermodynamic terms: are (1) directional radiation incident
on a nondirectional absorber; (2) irreversibility necessary to
get a directional flow of energy into work or free-energy storage;
(3) internal resistance losses; and (4} energy leaks from the
atsorber. Efficiency, as defined by the amount of power stored,
is most significantly affected by control of the thermodynamic
potential at the locus of free-energy storage; indirectly, this
means control of the absorber temperature. The latitude in this
control for good efficiency in a photochemical system is given.
Atsorber directionality and absorber relaxation rate must change
by at least an order of magnitude to significantly affect the
thermodynamically limited maximum efficiency. The loss due to
M. Basic Science and Technology
1291
-------
absorber relaxation in a given chemical system can be minimized
by an appropriate choice of optical density for the absorber.
Internal resistance losses can be reduced by removing some of
the resistance, but the significance of such a reduction depends
on the degree of saturation, An understanding of these sources
of inefficiency is useful in designing radiation converters, and
devising a simple photochemical system for the effective capture
of solar energy. Relationships are developed for narrow-band
absorption, and application to broad-band systems is discussed
briefly. Information useful tc biological photosynthesis can
be obtained by studying the efficiency of a radiation-conversion
system, or its chemical potential and fluorescence yield
parameters, as a function of variables considered here* {Author
conclusions modified)
15470
Snelling, David H. and Edward 0. Eair
DEACTIVATION OP 0 (D 1) BY H01ECUIAB CXYGEN. J. Che®. Phys. ,
18(12):5737-5738, June 15, 1968. 5 refs.
fleasurements of the effectiveness of 02 in the rate of
deactivation of o (1-D) by various gases are reported. The data
show that 02 has no detectable effect on 0(1-D) under the range
of conditions studied, placing an upper limit of 2 times 10 to
the 8th liter/mole sec on the rate of deactivation of 0(1-D) by
02.. Analysis of the data presumes that significant zone
decomposition during the first feu hundred nicrosec following
flash photolysis of a dilute, low-pressure ozone-inert gas
nixture is limited to certain processes. According to the data,
02 behaves as an inert gas.. The trend in the data is toward
an increase in the 03 decomposed rather than the decrease to be
expected if 02 were an efficient deactivator. Experiments were
performed to determine the extent to which oxygen photolysis
influences the result. The ozone absorbance several seconds
after the flash indicates that a small amount of 02 is photolyzed.
This cculd possibly account for a small increment in the amount
of ozone decomposed at 300 micrcsec, but definitely could not
be sufficiently extensive to obscure the extent of deactivation
of 0{D 1) by 02.
15486
Woods, F. J., E. amstead, and J. E. Johnson
VAPOR-PHASE OXIDATION OF HYDFCCAPE0NS. PART 2 - EFFECT OF
OXYGEN CONCENTRATION ON PLATINUH-CATALYZED COHBUSTION AND
IONIZATION. Naval Research Lab., Washington, D» C., Chemistry
Div., Contract NBL Problem C 01-03, Proj. RB 001-06-«»1-5850,
NFL Rept. 6816, 16p«„ Feb. 7, 1969. 13 refs.
AD 684072
The catalytic combustion of hydrocarbons was studied with
particular attention given to the ionization phenomena
1292
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
associated with it. The greater ion yield of highly branched
alkanes relative to straight chain alkanes was confirmed- The
effect of the concentration of oxygen in the gas mixture on the
extent of oxidation and ionization varied with the hydrocarbon
used,, in general, increase in 02 content caused considerable
enhancement of the ion yield., However, with some hydrocarbons
such as 2,2-dimethylpropane and 2,2-dimethylbutane, the fraction
oxidized decreased irarkedly with increased 02 concentration in
the temperature range, 400-700 C„ The data seemed consistent
with an explanation based on lcwer temperature oxidation
occurring only on the platinum surface, whereas at higher
temperatures the catalytic process extends itself to some degree
into the vapor phase- It is also suggested that dissociative
adsorption of 02 at higher temperatures is involved in the
icn-produclng process.. (Author abstract modified)
15491
Novak, J. R. and V. Windsor
IASIR PHOTOLYSIS AND SPECTROSCOPY IN THE NANOSECOND TIME RANGE:
EXCITED SINGIET STATE ABSORPTION IN C0B0NENE. J. Chem. Phys. ,
47 (6): 3015-3076, Oct., 15, 1967. 5 refs..
laser photolysis apparatus with a spectroscopic source, capable
of recording the spectral absorption of transient species in
the nanosecond time range, was developed and used to study the
first excited singlet state of coronene. Coronene showed a laser
line at 347 nm and fluorescence between 410 and 480 nm. Ground
state absorption bands of coronene were in the 320-350 nm region.
Using both excitation and background pulses, the middle exposure
showed heavy bleaching of the ground-state absorption bands and
a new absorption in the 500 nm region with a peak at 520 nn.
The 520 nm band decayed at the same rate as the fluorescence
and was concomitantly replaced by triplet bands growing in at 400
and 390 nnu This was considered unequivocal confirmation that
absorption by the s 1 state is responsible for the 520 nm band.
This technique is faster by about two orders of magnitude than
current flash-spectrographic instrumentation and extends the
studies of transient absorption spectra into the nanosecond
range. By using calibrated plates or photoelectric recording,
kinetic data can be obtained. This technigue should have wide
application to solid, liquid, and gaseous systems in searching
for intermediates of very short life and increasing the
understanding of photochemical primary processes.
15495
Atroshchenko, V. I., G. K. Goncharenko, and s. G. SedashPva
KINETICS Ct ABSORPTION OF NITROGEN EIOXIDE BY SOIID CALCIUM
OXIDE.. (Kiretika vbirannya dvookisu azotu tverdim okisoir
kalftsiyu). Text in Ukrainian. fChin. Prciu Inform. Sauk Tekh.
Zb», no- 1:27-29, Jan.-Harch, 1965.. 1 ref.
Experimental study of the absorption kinetics for 10* nitrogen
M. Basic Science and Technology
1293
-------
dioxide over solid calcium oxide was made at 50-300 C. The
absorption rate constant at these temperatures ranged frcm 0.0572
to 0„5?2, while the corresponding degree of absorption increased
from 7„3 to 06.55G. These values were determined at 7-95
saturation of the absorbent, which occurred in 0„191-0.107 sec..
Reducing N02 concentration to 5* resulted in a 10-20* reduction
in the degree of absorption* This reaction is recommended for
production of calcium nitrate fertilizer.
15502
Gibett, Rene
CONDITIONS FOB THE POSSIBILITY CP ISOTOPE ENRICHMENT BY A
PHOTOCHEMICAL REACTION. (Conditions de possibilite de
1'enrichissement isotopigue par une reaction photochimigue)„ Text
in French- J. Cbisi„ Physu, 60 (2): 205-208, 1963. 9 refs.
The possibility of selective excitation by radiation of a
single molecular species in a fixture and the effect of the
vibrational energy on the rate of an intermolecular reaction
are analyzed. By consideration cf simple conceptual models
of radiative excitation of a diatomic molecule under stationary
conditions and a reaction between a lonatorcic and a diatomic
molecule in equilibrium at the radiation temperature, two
analytical expressions are derived., The following conclusions
are drawn: 1) 1h% first expression shows that the irradiation
of a gas mixture by an appropriately chosen method effects
selective excitation of the vibrations of a single molecular
species in an isotope mixture; and 2) The considerable effect
of the vibration temperature on the reaction rate, evidenced
by the second expression, shows that it is possible to attain
high separation factors with relatively slight temperature
differences, such an effect,, in which the absorbed energy
influences the reaction rate through the intervention of the
vibration temperature of the sclecule, cannot be properly
called photochemical, but rather photothermal.
1 5536
Badonova, N„ Ya. and V- V. Scbclev
3NFHAFED EMISSION OF NITRIC OXIDE IN ELECTRICAL DISCHARGE-
Vestn.. Leningr. Univ., Ser. Fiz. i Khim., 2 (10): 3-5, 1956..
refs. Translated from Russian. Dept of the Army, Fort
Eetrick, Frederick, Hd., Up., Aug.. 1 956.
CFSTI, DDC: AD 682563
The emission of nitric oxide in an electrical discharge at
pressures of 10-200 aim Hg was studied. Nitric oxide was
produced by a solution of K802 ~ KI reacting with dilute
sulfuric acid and was dried with phosphorus pentoxide and
sulfuric acid. The emission spectrum obtained from the discharge
had maxima at 3, and 1.8 microns. Comparison of the NO
emission spectrum with the absorption spectra of NO showed that
1294
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
the bands which were detected dc not belcng to NO, but to oxides
of nitrogen formed in the discharge by decomposition of NO and
by chemical reactions. The only exception nay be the 3
micron band which could belong to NO. It was concluded that the
addition of nitrogen to the nitric oxide in the discharge does
not affect the emission intensity of the 4.8 micron band. This
does not agree with previous views.
15667
Hur'eva, T. H..„ G.. K. Boreskov, and V. Sh. Gruver
THE HECHANISH OF CARBON MONOXIDE CONVERSION OVER COPPER CHR0MITE
AND CHBOHIUH OXIDE IN THE PRESENCE Of MATER VAPOUR- (Hekhanizm
reaktsii konversii okisi ugleroda s vodyanym farcin na khromite
medi i okisi khroma). Text in Russian. Kinetika i Kataliz,
10 (4» : 862-868, 1969. 8 refs.
Experiments were carried out to verify a two-stage scheme
involving transfer of oxygen, first to the catalyst and then from
the catalyst to carbon monoxide over copper chromite and chromic
oxide catalysts. Direct measurements were taken of the rates of
the oxidation and reduction stages. In each case, the two-stage
reaction was not confirmed. In the case of copper chrowite, it
is proposed that the reacticn proceeds by means of an active
complex containing both CO and H20 molecules, possibly through
the reaction of two adsorbed molecules, i.e.., according to the
so-called langmuir-Hinchelwood scheme. In the case of chromium
oxide, the reaction apparently proceeds by means of an active
complex comprising both of the reagents. The fact that chromium
oxide, unlike copper chromite, dees not adsorb significant
quantities of carbon monoxide suggests that the reaction takes
place between adsorbed water molecules and gaseous CO.
15746
Jones, I. T. N. and B. P. Wayne
PHOTOLYSIS OF OZONE BY 254-, 313-, AND 334-NB RADIATION. J. Chem.
Phys., 51(8):3617-3618, Oct. 15, 1969. 7 refs.
Evidence is presented which suggests that excited singlet 02 is
formed at wavelengths longer than 310 nn. Quantum yield
measurements for ozone photolysis gave indirect evidence for the
production of 0(D 1) and the singlet 02 at 254 nm. At 313 nn,
singlet 02 is still produced, but acst of the oxygen atoms are
0 (P 3); at 334 nn, the primary products are exclusively o (P 3) and
singlet 02. The primary steps at 313 and 334 na therefore appear
not to give spin-conserved products, suggesting that
spin-conservation rules may not apply when absorption is weak.
M. Basic Science and Technology
1295
-------
15755
Comtat, Maurice and Jean (iahenc
ELECTROCHEMICAL OXIDATION OF SULFOB EIOXIDE ON A PLATINUM
ELECTRODE- (Oxydation electrochmique du diaxyde de soufce sue
electrode de platine). Text in French- Bull. Soc. Chem. France,
no,. 11; 3 862-9, 1969« 23 refs..
Electrochemical oxidation of sulfur dioxide on a platinum electrode
was undertaken by various potenticstatic and potentiodynaaic
aethods- Two types of oxidation were evident; a purely
electrochemical oxidation which depended essentially on the
surface state of the electrode, and particularly on the state of
reduction of the superficial film of platinum oxide generated
eletrolytically; the second type of oxidation is linked with
the presence of this platinum cxide which involves a phenomenon
of passivation- Different mechanisms which are susceptible to
passivation phenomena were proposed to account for the
experimental results; a systematic method of calculating current-
voltage curves is presented, using the coefficient cf transfer
and Temkin^s factor as parameters.
15756
Navalles, Henri, Gerard Dorthe, and Michel Destriau
REACTION OF OXYGEN SITH NITROUS OXIDE- (la reaction de lBoxygene
avec l'oxyde azoteaux). Text in French- Bull. Soc. Chin. France,
no. 9:3088, 1969. 4 refs.
A study of the chemiluminescence that occurs when nitrous oxide
and hydrogen react at temperatures and pressures of 726 C and
300 mm Hg and 820 C and 600 mm Hg, refutes the hypothesis that
in the following sequence of reactions, the last two are of little
significance: N20 ~ N20 yields N2 ~ 0 + K20; 0 + H2 yields
OH + H; 0 + N20 yields 2 NO; and 0 + NO yields H02 yields H02 ~
hv.. It is concluded that it would be difficult to account for
the luminous emission if the last reaction does not take place-
15785
loung, B. A., Graham Black, and T. G. Slanger
REACTION AND DEACTIVATION OF 0 (D 1). J. Chen. Phys.,
U9(11) :t»758-4768, Dec. 1, 1968. 26 refs. (AROC Contract
DA-31-124-AR0-D-446 and DA-31-124-ARO-D-434, Sept. 5134.9-P.)
AD 686C18
Relative rates for quenching of C (D 1) to (P 3) and for removal
of 0(D 1) by reaction were measured for helium, nitrogen, argon.
1296
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
nitrous oxide, hydrogen, nitrogen oxide, and carbon dioxide
gases. The 0(D 1) was produced by photolysis of 02 at 1470 A.
The rates were determined ty measuring the variation of the
production rate of 0(P 3) atoms as a function of the amounts
of guenching and reactive gases added to the system. From the
limits set by the lack of detection of the 6300 A line of
the o(D 1) to 0 (P 3) transition, and the maximum rates of two-
body reactions, the rate coefficients were put cn an absolute
basis. Except for Ar and He, all gases measured interact with
c(D 1) with rate coefficients greater or egual to 4 times 10 to
the minus 11th power cu cm/molecule/sec. (Author abstract
modified)
15790
Young, R. A., Graham Black, and T. G. Slanger
VACHUM-ULTRAVIOLET EH0T0IYS1S OF N20. I. HETASTABLE SPECIES
EKOBUCEE AT 1470 A. J. Chen. Ehys., 49 (11):4769-4776, Dec. 1,
1968. 25 refs. (AROD Contract DA-31-124-AR0-D-446 and
DA-31- 124-AF0-D-434, Rept. 5134.8-P.)
AD 686017
Various photometric techniques were used to obtain information
about the reactions and guantum yields of the metastable species
formed in N20 photolysis at 1470 A. The total guantum yield
of atoms is 1.0; 0(S 1) is produced with a guantum yield of 0.5;
and 0 (D 1) has a measured guantum yield of 0.55, although this
value may include electronically guenched 0 (S 1). The N2 (A 3
sigma) guantum yield is 0.08, which, from spin considerations,
must also be egual to the 0 (P 3) yield. The N2(D 2) that is
produced reacts with N20, (apparently guite inefficiently) to
give NO (E 2 pi). (Author abstract modified)
15808
Antcnini, Eraldo, Mauri2io Brunori, Jeffries Wyman, and Robert
w. Noble
PBEPAR BTION AND KINETIC PROPERTIES OF INTERUEDIATES IN THE
REACTION OF HEMOGLOBIN WITH LIGANDS. J. Eiol. Chen., 241(13):
3236-3238, July 10, 1966. 9 refs.
Progress in understanding the mechanism of the reaction of
hemcglcbin with Uganda can be made by studying the properties
of the reaction intermediates. A method is described for
preparing stable forms of these intermediates by reassembling
hemoglobin from its respective decxygenated and liganded chains.
By taking advantage of the very slow dissociation of NO, compounds
containing the species (alphaNO - beta) or (alpha -fcetaNO) are
obtained by mixing NO chains with their deoxygenated partners.
The kinetic behavior of these intermediates with CO can then be
studied and compared with that cf the isolated chains and of the
fully unliganded chains. Experiments with CO show that the
M. Basic Science and Technology
1297
-------
liganded isolated alpha or beta chains are able to react with
their deoxygenated partners in stoichiometric amounts. The
compounds which are formed are of the type (alpha-liganded
beta-deoxy) or alpha-deoxy beta-liganded); they possibly have
the sane properties as the transient intermediates normally
formed in the reaction of hemoglobin with ligands. The kinetic
behavior of the deoxygenated chains in these compounds is
similar to that of fully unliganded hemoglobin and wholly
different from that of the isolated chains or from that of
modified hemoglobins, which show no heme-heme interaction.
15617
Kon, Hideo
PARAMAGNETIC RESONANCE STUDY OP NllBIC OXIDE HEMOGLOBIN. J.
Biol. Chem., 2U3(16):4350-4357, Aug. 25, 1968. 36 refs.
The electron paramagnetic resonance absorption of nitric oxide
hemcglobin was studied as a possible model system fcr
oxyhemoglobin. The electron paramagnetic resonance spectrum
showed three g factors, indicating a rhombic symmetry arcund the
paramegnetic center. When H{1S)0 was used, the unimpaired
electron was found to be hardly associated with NO nitrogen was
assumed. Modifying NO-hemcglcbin with sodium dodecyl sulfate (SDS)
shifted the whole spectrum toward a lower magnetic field retaining
the rhombic symmetry. The N (14) hyperfine structure was then
resolved in one of the peaks with the splitting of 15 gauss. The
number of SDS molecules required to complete this transformation
equalled the number of the basic amino acid residues. At SDS
concentrations greater than 0.2 M further transformation of the
spectrum took place indicating the randomization of the structure
and the change of symmetry type around the paramagnetic center
from rhombic to axial. NO-hemoglcbin powdered specimen after
dehydration gave a spectral pattern indistinguishable from that
of the SDS-modified NO-hemoglcfcin. This spectral conversion
to dehydrated type was reversed by evacuating and replenishing
H20 vapor. Interaction with 0.03 to 0.5 H sodium salicylate
decreased absorption, with concomitant appearance of four new
peaks presumably due to a low spin Fe(IXI) type electronic
configuration. The possible implication of the rearrangement of
the electronic state is discussed in connection with the known
oxidase-like activity of oxyhemcglcbin under similar conditions.
(Author summary modified)
15829
HcCaa, D. J, and J. H. Shaw
THE INPBABED SPICTR0M OF OZONE. J. Bol. Spectr., 25(3) :374-
397, 1968. 18 refs.
Fourteen bands of ozone between 500 and 3300 reciprocal cm were
identified and values of the vibrational anharmonic constants
1298
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
were determined. The integrated band absorptances (IBA)
of many of these bands were measured from spectra of a 32-m
path of ozone-oxygen mixtures containing up to 30 atm cm ozone
near 25 C. The dependences of the band absorptances on the
ozone concentration and total pressure are described. The
strengths of nine of the bands are given. It is shown that a
statistical band model describes the behavior of the bands
reasonably veil. However, if an accuracy of better than 10* is
required, more precise descriptions are required. These can be
obtained by fitting empirical expressions containing more than
two constants or by applying the band models tc narrow spectral
intervals in the band rather than to the entire band.
15833
Decius, J. C.
INFRARED FREQUENCIES AND INTENSITIES OF SULFATE ION IMPURITIES
IN KBR CRJSTALS AND THE THEORY OF THE VIBRATIONAL STARK EFFECT
DUE TO INTERNAL FIELDS. Spectrochim. Acta, 21(1}:15-22*
1965. 5 refs.
The complete fundamental spectra of caSOt, SrS04, and BaS04 ion
pairs in KBr are presented. All eight fundamental modes allowed
for a sulfate ion under C(2u) (u stands for upsilon) selection
rules were found in specimens of KBr doped with CaSOU, SrSOl, and
BaS04. This indicated the formation of ion pairs in which
(1(2+) and SO4(2-) occupy nearest neighbor positions in the
rocksalt lattice. Other species of sulfate were observed, but were
incompletely identified. The splitting of the triply
degenerate modes v3 and v4 (v stands for freguency, nu) was
treated on the basis of a vibrational Stark effect arising from
the intense electric field due to the excess charge on the
alkaline earth ion. The theory relates the splittings to the
anharmonic constants in the potential function of SOU (2-), and to
the dipole derivatives of the infrared active modes. Although
there are too many parameters for a complete solution, the order
of magnitude of the cubic potential constants as estimated from
the observed splittings is shown to be very reasonable.
(Author abstract modified)
15911
Yamate, Noboru
PHOTOCHEMICAL STUDIES OF A IB POUDTION. II. STUDIES ON
PHOTOCHEMICAL PRODUCTS OF AUTO EXHAUST. (Taiki osen no kokagaku
kenkyu (dai 2 ho) jidosha haiki gasu no koshosha seiseibutsu ni
tsuite)« Text in Japanese. Eisei Kagaku (J. Hyg. Chem.),
15(4): 248-252, 1969.. 5 refs.
Automobile exhaust uas irradiated with xenon or solar light under
static conditions* and the concentration changes of hydrocarbons,
nitrogen oxides, formaldehyde, and irradiation products were
M. Basic Science and Technology
1299
-------
analyzed. Hydrocarbon concentrations were deteriined by
hydrogen-flame ionization gas chromatography; nitrogen oxides and
formaldehyde concentrations, by colorimetry; and irradiation
products, by electron-capture gas chromatography. Irradiation
decreased the concentrations of hydrocarbons and nitrogen oxides
but increased formaldehyde concentrations. The irradiation
products were methyl nitrite, ethyl nitrite, methyl nitrate, ethyl
nitrate, n-propyl nitrate, isobutyl nitrate, biacetyl, and
peroxyacetyl nitrate. These photochemical reactions of auto
exhaust presumably cccui in the atmosphere.
15986
Cassano, A. P. L. Silvestcn, and J. ti. Smith
PHOTOCHEMICAL REACTION ENGINEERING. Ind. Eng. Chen., 59(1):18-38,
1967. 72 refs.
The state of the art of the design of photoreactors is reviewed
and reactor design problems are mathematically defined. Complex
rate equations are derived for chain kinetics, radiation energy
conservation, wall reactions, radial gradients, wall deposits,
and effects of wavelength distribution, all of which affect
conversion in a reactor. It is emphasized that a rate eguation
for photochemical process rates cannot be formulated
independently of transport processes. Bates for photokinetics
must consider wavelength effects, reaction mechanisms,
heterogeneous processes, diffusional effects, and correction for
dark reactions. Both analytical and numerical sclutions are
proposed for design problems. The former can not be applied in
cases where diffusion and dispersion effects are due to velocity
and concentration profiles and complex kinetics. Analytical
solutions can be obtained where only a single linear reaction is
involved, with no wall reactions and a constant attenuation
coefficient. If the radiation eguation is linearized, a
heterogeneous wall termination reaction can be included in the
solution. For completely mixed reactions (without wall
reactions) two-step reaction kinetics can be solved. Again, the
radiation eguation must be linearized. Numerical solutions of
general equations may not be realistic because of limitations in
machine computation and unavailability of numbers for
parameters. However, a plug-flew mcdel of isothermal,
monochromatic conditions can be solved numerically with complex
kinetics.
16036
Becker, H. 6.
MECHANISM OF ABSORPTION OF MOEFEATELX SOLUBLE GASES IN HATER.
Ind. Eng. Che*,, 16 (12): 1220-1224, Dec. 1924. 6 refs.
The absorption of oxygen and nitrcgen in air-free water was
studied under conditions allowing the absorption process to Jbe
1300
PHOTOCHEMICAL OXIDANTS AND AtR POLLUTION
-------
followed step by step from zero concentration of dissolved gas to
saturation in bcth nixed and unmixed liquids. Experiments are
also reported on the absorption of other gases of widely
different solubilities in unmixed water. When liquid is kept
nixed, the solubility of oxygen and nitrogen diminishes with
increasing temperature and the percentage saturaton of the liquid
increases with tine, observations on the absorption of oxygen
in liquid stirred at varying speeds indicate that absorption is
proportional to time, i.e., the rate of solution is constant in
water of zero oxygen content. Hhen oxygen accumulates in the
water, the rate of solution is proportional to the degree of
unsaturation. In unmixed liquid, the rate of solution follows a
regular course while the oxygen content of water is low, but
becomes quite irregular when the water is 60 to 70% saturated.
Gases such as carbon dioxide, hydrogen, and hydrogen sulfide form
saturated layers at the surface of liquid, which cause the rate of
solution to fall off rapidly. Gases such as nitrous oxide, nitric
oxide, and chlorine show no tendency to form saturated surface
layers and are absorbed at correspondingly higher rates.
16038
Gerlovin, Ya. I.
THE PROBABILITIES OF SPONTANEOUS BAEIATICN CORRESPONDING TO THE
VIEEATI0NAL-B0TATI0NAL BANDS OF ABHOHIA, ACETYLENE, AND SULFUR
DIOXIDE. Opt. Spectry* (USSR) (English translation from Russian
of: Opt. i Spektroskopiya), 23 (6):535-537, Dec. 1967. 6 refs.
Rotational-vibrational bands of ammonia, acetylene, and sulfur
dioxide were investigated by a method permitting the determination
of the probability of spontaneous radiation corresponding to the
bands. The reduction of the radiation current passing from a
receiver to a heat sink when a radiating gas is in its path
depends on the intensity of the absorption band. This method has
several advantages over methods based on measurements of the
absolute intensity of the bands. The sensitivity of the method
used was increased by employing a heat sink consisting of a glass
flask and cooling device. Calculated probabilities of radiation
correspond to ammonia bands in the regions 6.15 and 10.3 micron;
acetylene bands in the regions 7.5 and 13.7 micron; and sulfur
dioxide bands in the regions 4.0, 7.3, 8.7, and 19.3 micron.
Comparison of the probability values of the three gases shews that
the deviation between then is small.
16043
Nichipor, G. V.
KINETICS OF THE RADIATION-THEBHAL DECOMPOSITION OF N02 IN FLOW.
Vestsi Akad. Navuk Eelarusk. SSB: Ser. Fiz, Tekhn. Navuk, no.
4:29-34, 1967. 19 refs. Translated from Russian by Stephen J.
Amoretty, Brookhaven National Lab., Upton, N. Y., Information
Div. BNL TB 223, 10f., Sept. 1968.
An attempt is made to describe the kinetics of the radiation-
M. Basic Science and Technology
1301
-------
thermal decomposition of nitrogen dioxide in one-dimensional
flow. Formulas are given for 1«l chemical reactions, produced by
the action of heat and ionizing radiation, that govern one-
dimensicnal flow. The distribution of mixture components in one-
dimensional flow is described by a set of eight first-order
differential equations with nonlinear right-hand terms. It is
shown that at temperatures greater than or less than 500 K, the
effect of radiation effects on the space-time distribution of
mixtures can be neglected cnly at the very beginning of the
chemical stage constituting the processes leading to the
establishment of chemical equilibrium. Specific rates of 12 of
the m chemical reactions are tabulated, and the ratio of the
rates of the initial radiation and thermal decomposition of N02
is plotted as a function of temperature at a dose output of
1 times 10 to the 16th power eV/cu cm/sec.
16045
Shiga, Takeshi, Kun-Joo Hwang, and Itrio Tyuma
AN ELECTRON PARAMAGNETIC RESONANCE STUDY OF NITRIC OXIDE
HEMOGLOBIN DERIVATIVES. Arch. Bicchem. Biophys. , 123(1):203-205,
Jan. 1968. 11 tef s.
The electron paramagnetic resonance (EEB) spectrum of nitric
oxide hemoglobin (Hfc) derivatives was studied to determine the
functional differences in terms of magnetic properties.
Measurements were carried cut at rccm temperature or at low
temperatures. The EPH spectra of NO-Hb A, NO-Hb alpha, and NO-Hb
beta were different from each ether. The spectrum of NO-Hb beta
was nearly symmetrical. An addition of the spectra for the alpha
and beta subunits yielded a spectrum which was almost identical
with that for Hb A. The EPR absorption decreased with the
increase in temperature without changing the line shapes. The
results indicated that the relaxation mechanism and temperature
effect are the sane in all NO-Hb's. Thus, the line shape
differences between alpha and beta chains observed can be related
to the altered crbital configuration of heme-NO part in the
subunits.
16016
Shiga, Takeshi, Kun-Joo Hwang, and Itiro Tyuma
ELECTRON PARAMAGNETIC RESONANCE STUDIES OF NITRIC OXIDE
EEMCGLCBIN DERIVATIVES. I. HUMAN HEBCGLCBIN SUBUNITS.
Biochemistry, 8 (1) :378-383, Jan. 1969. 22 refs.
To elucidate the molecular conformation of a ligand bound to
hemoglobin, nitric cxide derivatives of human adult hemoglobin and
its subunits, alpha and beta, were studied by electron
paramagnetic resonance spectroscopy. The spectruc of hemoglobin
alpha-NO and beta-NO were dissimilar. The spectrum of
erythrocytes NO and human adult hemoglobin NO were the arithmetic
dean of the spectrum for the isolated subunits. At roon*
1302
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
temperature, the signal of hencglcbin alfha-NO exhibited axial
symmetry, whereas that of hemoglcbin beta-NG slightly deviated
from axial symmetry. Below -50 deg, however, the signal for
both the subunits markedly distorted from axial symmetry. The
approximate principal g values were estimated by comparing the
observed spectra with simulated spectra calculated by a digital
computer. For the simulation, a broad intrinsic line was assumed,
which may be due to a freedom of the orientation of MO on heme.
The estimated g values for hemoglobin alpha-NO and hemoglobin
beta-NO changed with temperature diecontinuously. The change in
g values was considered to reflect an altered orientation of the
NO molecule at room and low temperatures. Urea and high pH
removed the steric or libration restriction on the NO molecule in
hemoglobin beta-NO, giving a signal of nearly axial symmetry
and/or broad intrinsic line width. The effect of temperature and
denaturing agents on the signal shape was explained by the
change of orientational freedom of liganded SO associated with
the conformational change of globin moiety. (Author abstract
modified)
16051
Vodar, Boris
ABSORPTION COEFFICIENTS OF GASES IN THE RANGE FHCH 100 A TO 500 A.
High Pressure lab., Bellevue, France, Contract DAJA37-67-C-0388,
Final Tech. Bept., Proj. 200 14501E11B, 30p., March 31, 1968.
30 refs.
Absorption spectra between 10C and 500 A for NO, CC, CC2, H2C, NH3,
CHI a grazing incidence were obtained with grating spectrograph,
a condensed spark as the continuum background, and very thin layers
cf appropriate materials for cell vindowe. This region is
characterized by continuous absorption rapidly decreasing towards
short wavelengths, ccmmonly attributed to photoionization
processes. Striking features in the spectra up to higher energy
corresponding to ionization cf an inner shell electron were not
expected. Whenever possible, results near 500 A were compared to
results of other authors, and agreement was generally satisfactory.
Comparisons were made between absorption curves of similar
molecules such as H20, NH3, and CHI. Except for CHU, it was not
possible to relate experimental results to theoretical calculations
because no adequate theory of the photoionization of molecules
exists. The high symmetry of CH4 permits a calculation on a
quasi-atomic basis.
16070
Henriksen, Thernod
EFFICT OF OXYGEN ON BADIAIION-INDUCED FREE RADICALS IN PROTEINS.
Radiation Res., 32 (ij) : 892-9QU, 1967. 27 refs.
The effect of oxygen and nitric oxide on radiation-induced free
radicals in trypsin was studied by electron spin resonance (ESR)
M. Basic Science and Tectawlofy
1303
-------
spectroscopy. Evacuated samples were irradiated with X-rays at
room temperature and kept at this temperature for 20 hrc before
ESR measurements were begun. The samples were then opened to an
atmosphere of oxygen or nitric oxide, and the reactions between
the paramagnetic gases and the protein radicals were followed
by qualitative and quantitative ESR observations. The reaction
with oxygen resulted in a transient ESB signal consisting of a
single line with a (g) value of 2.007 and a width of approximately
13 gauss. The line is presumably due to a peroxide radical. The
reaction with nitric oxide results in the direct formation on
nonradical products. Experiments with nitric oxide and protein
particles of different physical dimensions show that the diffusion
theory adequately describes the decay of radicals. It was also
fcund that both sulfur and doublet-type radicals react with
paraaagetic gases. (Author abstract modified)
16097
Adams, G. £. and B» D. Michael
THREE STAGE EIECTBOH TRANSFER IH AQOECUS AND ALCOHOLIC SOLUTIONS,
nature, 215 (5107):1248-1250, Sept. 16, 1967. 16 refs.
The use of pulse radiolysis to explore the radiation chemical
behavior of compounds of high electron affinity was discussed. The
acceptors used were acetone, acetophenone, benzophenone, fluorenone,
N-ethylmaleinide, dimethylfunaxate, nitrous oxide, and oxygen.
Scluticns in either triply distilled water or highly purified
ethanol were made alkaline with potassium hydroxide and sodium
ethoxide respectively. Samples were irradiated with a 0.2
potassium hydroxide and sodium ethoxide respectively. Samples were
irridiated with a 0.2 microsecond pulse of 1.8 HeV electrons from
a linear accelerator, and the transient changes is optical density
were recorded spectrophotcmetrically. Transient spectra of several
deoxygenated, aqueous, alkaline solutions of acetopheone,
benzophenone, and acetone were shown. The absorption maximum of
4400 A was assigned to the electron adduct of acetopenone while the
peak at 3700 A was caused by the OH adduct. In the presence of
high concentrations of acetone, the 3700 peak was suppressed
because the precursors, OH radicals, are scavenged by the solute.
It was concluded that the 4400 A maximum was due to the electron
transfer reaction. A set of similar data for acetone and
benzophenone showed the same results. In a system of acetone,
acetophenone, benzophenone and potassium hydroxide, acetone must
scavenge all hydrated electrons, and therefore the sequential
formation of the two ketyl anions indicates the occurrence of a
simple three-stage chain electron transfer process. In the
presence of oxygen, the radical aniens of fluorenone, benzophenone
and other acceptors, produced by electron attachment or by chain
electron transfer, decay by an exponential process. In all cases,
the half times are inversely proportional to oxygen concentration,
indicating that reaction takes place. Do evidence was found foe
peroxyanion-radical formation which would favor the mechanism of
electrcn transfer rather than oxygen addition for reaction. In
alkaline ethanolic solutions saturated with nitrous oxide, the
first crder rate constants for electron transfer to fluorenone were
proportional to the fluorenone concentration.
1304
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
16117
Hartkamp, Heinrich
INVESTIGATIONS CF THE STCICHICBETE3f CF THE REACTION BETWEEN
GASEOUS NITROGEN DIOXIDE AND THE SALTZHAN HEAGENT.
(Untersuchungen zur Stoechicmetrie der Umsetzung zwischen
gasfoeroigem Stickstoffdioxid und Saltzman-Beagens), Text in
German. Staub, Reinhaltung Luft, 29 (11):447-451, Nov. 1969.
9 refs.
From preparative and analytical work and from spectrophotometry
investigations, it was determined that the reaction of Saltznan
reagent with both nitrogen dioxide and nitrite ions results in the
formation of the azo dye, 1-(N-aminoethyl)-amino-4-naphtyl-
azobenzene-p-sulfonic acid. This dyestuff, when dissolved in the
Saltzman reagent, exhibits a molecular extinction coefficient of
42,150/mole cm at a wavelength of 545 nm. From this constant, the
stoichiometric factor governing the reaction between the Saltzman
reagent and highly diluted nitrogen dioxide was derived. The
stoichiometric factor was 1000 which was in agreement with the
findings of stratman and Buck and in contrast to the value reported
by Saltzman. (Author summary modified)
16161
Coltharp, 8. N,, J. T. Scott, and E. E. Huschlitz, Jr.
MOLECULAH BEAH INVESTIGATIONS OF THE DISSOCIATION OF NITROUS
OXIDE CN TUNGSTEN. J. Chem. Phys., 51 (11):5100-5181, Dec. 1969.
4 refs.
Experiments were performed using modulated beam techniques,
including the use of a lcck-in amplifier. By rotating a
guadropole mass spectrometer about a tungsten ribbon target, the
spatial distributions of both the reflected N20 and the N2
dissociation product were determined, with a beam of N20 incident
on the surface, it was found that both nitrogen and nitric oxide
could be observed at temperatures above 1800 K. At 2500 K, the
ratio of N2 to NO was found to be 12 + or - 2. While the N20
distribution was found to be lobular at high temperatures, both
the N2 and NO distributions were found to be diffuse. This was
interpreted to mean that these molecules remained on the surface
for sufficient lengths of time for thermal equilibrium to be
achieved since a lobular distribution would be expected, had the
residence times been as short as that observed for the reflected
N20. Attempts to find ether products such as oxygen and nitrogen
atoms were unsuccessful. To confirm the results, measurements
were made of the angular distribution of reflected beans of N2 and
NO from the same surface. At 2500 K, sharp lobular patterns were
observed, with maxima shifted away from the specular angle toward
the normal to the surface in contrast to the diffuse patterns
observed for the B2 and NO resulting from the dissociation of N20.
The N2 and NO molecules formed in the dissociation of N20 on
tungsten originate from N20 molecules that remained on the surface
M. Basic Scitnct and Technology
1305
-------
for times which are long compared with the vibrational period of
the surface atoms, but short ccnfared with the beam-modulation
period. Cn the other hand, the lobular distributions observed
for the reflected N20, N2, and BO molecules indicated that these
molecules remained on the surface for a period short compared
with the vibrational period of the surface atoms. The results
were consistent with the expected prediction that a sticky
collision of the N20 molecule is required for dissociation to
occur.
16167
Kul'kova, N. V., N. N. Savodnik, D. fl. Dokholov, H. S. Furman,
and M. I. Temkin
CATALYTIC ACTIVITY OF PLATINUM IN THE HYDROGENATION OF NITRIC
OXIDE. Kinetics Catalysis (USSR) (English translation from
Russian of: Kinetika i Kataliz), 10 (3):570-571, May-June 1969.
8 refs.
Platihum catalysts were prepared and investigated on various
acid-resistant carriers: the activated charcoals AR-3, AG-2, and
SKT; aluminosilicate in the form of microspheres; and fine-
grained corundum. The catalysts contained 1-10* by weight
platinum, The specific surface of the carriers and catalysts was
determined according to the low-temperature adsorption of krypton
and nitrogen. Heasurements of the chemisorption of hydrogen were
used to determine the surface cf platinum on the carrier. The
catalytic activity of the previously investigated catalysts in
the hydrogenation of nitric oxide was determined in a flow type
set-up. Under the experimental conditions, the rate of formation
of hydroxylaaine did not depend cn the grain size of the catalyst
and rate of mixing of the solution. This showed that the
reaction did not take place in the kinetic region. After
definite periods of time, samples of the solution from
hydrogenation were collected for analysis. The content of
hydroxylaaine and hydrazine hydrochlorides and ammonium chloride
was determined. The analyses cf the solutions indicated that
the process of hydrogenation of nitric oxide to hydroxylamine
proceeds selectively; only traces of ammonium chloride were
detected. It was concluded that the catalytic activity cf a unit
surface of platinum cn the carriers is only slightly lower than
the corresponding value for platinum black and is practically
independent of the nature of the cairier.
16195
Hanvelyan, H. G., g. 0. Grigoryan, S. A. Ga2aryan, G. S. Papyan,
S. S. Karakhanyan, and L* S. Helik-Ispaelyan
SIMULTANEOUS ABSORPTION OF ION CONCENTRATIONS CF SULFUR DIOXIDE
AND NITROGEN-CONTAINING GASES IY ALKALIES AND CARBONATES.
COMMUNICATION 6. EFFECT OF INHIBITORS ON THE OXIDATION OF CALCIUM
SULFITE TO SULFATE BY OXYGEN CF TBI AIR IN THE PRESENCE OF TRACES
OF NITEOGEM OXIEES. (Scvaestnoe ulavlivanie
1306
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
nizkokontsentrirovannykh sernistykh i nitroznykh gazov shchelochaai
i karbonatani. soobshchenie VI. Vliyanie ingibitorov na protsess
ckisleniya sul'fita kal'tsiya v sul'fat kislorodon vozdukha v
prisutstvii sledov okislov azota). Text in liussian. Izv. Akad.
Nauk In. SSB Khi«. Nauk, :27-33, 1961. 2 refs.
It was confirned that paraanino phenol, paraphenylene diaiine,
furfural, hydroquinone and glycerol are strong inhibitors of
oxidation of sulfites to sulfates by oxygen in the air. Phenol
had a weak inhibitory effect. When calciun sulfite Has oxidized
in air in the presence of traces of nitrogen oxides {the inhibitor
being present in the anount of 0.5* of the weight of the sulfite),
paraanino phenol and glycerol had no inhibitory effect on the
reaction, while paraphenylenedianine, hydroguinone, and furfural
inhibited it only slightly. An increase in the concentration of
the inhibitor to 1% led tc an increase in the oxidation of calciun
sulfite to sulfate; further Increase in inhibitor concentration had
only a slight effect on the degree of oxidation. With a combined
flow of the gas mixture, the inhibitory effect was more narked.
1620U
Hanvelyan, H. 6., G. 0. Prigoryan, and S. A. Gazaryan
J CI NT RECOVEHY OF I0W CONCENTBATIONS OF SUIFtJH DIOXIDE ADD
NITROGEN—CONTAINING GASES BY AIKAIIS AMD CAFBONATES. COMMUNICATION
1. (Sovmestnoe ulavlivane nizkokentsentrirovannykh sernistykh i
nitroznykh gazov shchelochami i karbonatani). Text in Russian.
Izv. Akad. Nauk Am. SSH Khia. Nauk, 12 (3) : 166-174, 1959. 16 refs.
Oxidation of sulfite to sulfate by a mixture of gases vas studied
experimentally as a preliainary step in the eventual development
of a process for recovery of waste gases in industrial processes.
The gas mixture used was a combination of nitric oxide, nitrogen
dioxide, nitrogen, and oxygen. The oxides of nitrogen apparently
acted as initiators in the process of converting sulfite to
sulfate. The aore soluble sulfites (i.e., aononiun and sodiua
sulfites) were sore readily oxidized than calciun and bariua
sulfites.
16207
Schienann G., F. Fetting, G. Prauser, and F. Steinbach
HETEROGENEOUS REACTIONS IN A FBEI FAIL EEACTOB. {Heterogene
Beaktionen in einen Bieselwclkenreaktor) . Text in Gernan. Inst.
Chen. Engrs. Synp. Ser., no. 27:163-160, 1968. 12 refs.
The reaction mechanism in a free fall reactor was studied and
compared with the ideal flow tube and the ideal agitator vessel.
The hydrogenation of ethylene and the oxidation cf carbon monoxide
cn grained Pd-containing catalysts were used as nodel reactions.
The kinetic data of these reactions were deterained in a fixed-bed
M. Basic Science and Technology
1307
-------
reactor connected in parallel to the free fall reactor. The speed
of the hydrogenaticn process was determined by the substance
transport, that ol oxidation by the chemical reaction speed, To
interpret seasureBents of the amount of substance converted,
mixing processes were studied using a dispersion model. The
Bodenstein numbers obtained from the measured mixing coefficients
were used to calculate the quantity converted. The measured
values agreed well irith the calculated values.
16209
Manrelyan, «. G., G. 0. Grigoryan, s. A. Gazaryan, G. S. Papuan,
and D. L. Mirumyan
SIKULTAtfECOS COLLECTION OF IOW-CCNCEKTBATION SULFOR DIOXIDE AMD
HITK06EN OXIDE GASES WITH ALKALIES ADD CARBONATES. PAST III.
OBTAINIHG GYPS0H IK A LARGE-SCAIE LABORATORY ARRANGEMENT.
(Sovnestnoye ulavlivaniye nizkckcntsentrirovannykh sernistykh i
nitroenykh gazov shchelochami i karbonatami. Soobshcheniye III.
Izucheniye protsessa polucheniya gilsa na ukrupRfcutioy laboratornoy
ustanovke). Text in Russian. Izv. Akad. Nauk Arm. SSR Khim.
Hauk, 12 (5):313-323, 1959. 3 refs.
The production of gypsum by simultaneous absorption of low-
concentration sulfur dioxide and nitrogen oxide gases with
carbonates was studied using large-scale laboratory equipment. It
was established that 100* gypsus can be obtained with S02
concentrations up to 1.5* and nitrogen oxide concentrations from
C.05 to 0.1%. Nhen the solid-to-liguid phase ratio was increased
from 1:100 to 1:20, no reduction in intensity of the process was
detected, nor did the degree of converstion of S03 to S04
decrease, similar results were obtained when the gas flow rate
was reduced. When a calcium carbonate suspension was replaced
with calcius hydroxide, the process rate was reduced by only
10-20%. The use of limestone both in the forv of a suspension
and in the ford of chunks in a water irrigation apparatus also
leads to the formation of 100J gypsum, the reaction rate being
somewhat lower in the latter case. . The possibility of utilizing a
circulating liguid was demonstrated. Introduction of the gas
mixture at several points was shown to significantly increase the
reaction rate, chemical, thermal, and x-ray analyses showed the
gypsum formed in these experiments to be identical with medicinal
gypsum.
16218
Buff, H. and A, H. Hofmann
DISSOCIATION OF GASEOUS COBFCUNUS Elf ELECTRICALLY INEUCEB
GICWING. {Zerlegung gasfcerniger VcrMndungen durch electrieches
Glueben). Text in German. Ann. Chen. Pharm., 113 (2):129-150,
166C. i) refs.
Gases and vapors of liquids with low boiling points were exposed
1308
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
to powerful sparking as (reduced b; the Ruhmkoff induction coil,
tc glowing platinum and iron wires, and to the high temperature of
the flame arc, and the dissociation was observed. The induction
coil is best suited for dissociation of ammonia; all the ether
methods take too long. Dissociation of C2H5N begins immediately,
hut it is never complete. Dissociation of C6H9N and of C4H7N is
slow and incomplete. Ircn wires dissociated C2N completely but
slowly; the flame arc is much faster. The induction coil is least
suitable. Nitric oxide is dissociated rapidly by a glowing iron
spiral and by the flame arc, and slcwly by the induction coil.
The dissociation is not complete, similar results are obtained
with N02. None of the methods work with dry CO. Reduction of
CC2 is slow with both the flame arc and the induction coil. The
dissociation of CS2, C2H4, C4B4, S02, HS, PH3, C1H and SiF12 was
observed in like manner, and the efficiency of each method was
stated.
16235
Koolum, John c., Enzo Tiezzi, and Harry Commoner
ELECTRON SPIN BESOBAHCE OF IBON-NITBIC CXIDE COMPLEXES (lITIi AMINO
ACIES, PEPTIDES AND PBOTEINS. Biochia. Biophys. Acta (Amsterdam),
160 (3) :311-32C, 1968. 16 refs.
Ferrous iron-nitric oxide complexes with amino acids, peptides,
and proteins were prepared for electron spin resonance studies by
dissolving the latter in water and ascorbic acid. The pH was
adjusted to 6 and NaOH or HC1 and NaN03 were added to the
complexes, signals were recorded by a spectrometer specifically
designed for high sensitivity for aqueous samples. A free radical
with a (g) value of 2.033 and line width of about 8 gauss was
present in all reaction mixtures. Three line hyperfine resonances
due to a chelate type ccsplex and a 13 line hyperfine resonance
were also observed. These hyperfine structures can be used to
determine the structure of complexes made with amino acids and
short peptides. The unimpaired electron of the free radical
complexes formed by amino acids, iron and HO is associated to some
degree with nitrogen ato«£* Though amino protons do not
contribute to resonance spectra, signals from iron-NO complexes
formed by protein depend on the avino acid composition of the
protein. If the protein is poor in SH groups, the iron-free
radical complex is associated with imidazole groups in protein
histidine residues. If the protein is rich in SH groups, the
iron-NO free radical is formed with the SJ groups. These iron-NO
protein complexes have signals similar to cysteine complexes in
the frozen state. If a coeplex has excess iron and protein
containing both imidazole and accessible SH groups, both types
of signals are produced. Ircn-NO free radical complexes have
significant biological implications. They appear in organisms
exposed to both nitrite and NO and can influence the enzymatic
properties of a number of proteins.
16236
ludwig, Barbara S. and G. R. BcHillan
DISFBCPOB1ICNATION AND COMEINATION BEACTIONS OP ISOPBOPOXY
M. Basic Science and Technology
1309
-------
BADICALS WITH NITRIC OXIDE. J. Phys. Chen., 71(3J:762-764, Feb.
1967. 5 refs.
Because the disproportionation:combination ratio of ethoxy
radicals with nitric oxide is important in the photocheadstry of
alkyl nitrites, nitrates, and nitro compounds, isopropoxy-nitric
oxide reactions Here studied by pyrolyzing diisopropyl and nitric
oxide mixtures at 25 to 180 deg. As determined by gas
chromatography, the main reaction products were isopropyl nitrite,
acetone, and isopropyl alcohcl. Traces of acetaldehyde and
methyl nitrate Here also present. Over the ranges indicated, the
following variables had no effect on the acetone: isopropyl
nitrite ratio: diisopropyl percxide pressure, 2.7-14.6 mm; nitric
oxide pressure, 2.6-46.9 mm; nitric oxide pressure: peroxide
pressure, 0.35-8.58 die; percent peroxide decomposition, 2.0-12.1)(;
reaction time, 0.7-14440 min; and added nitrogen, 200 mm. Below
150 deg, product ratios were temperature dependent due tc surface
reactions. Above 160 deg, the isopropyl nitrite ratio is
temperature independent. This constancy together with
independence of the ratio of the ether variables suggests that the
dispropoxticnation:combination ratio is 0. 17 at 26 to 160 deg.
Like alkyl-alkyl reactions, isopropoxy-nitric oxide reactions show
appreciable difference in activation energies for
disproportionation and combination processes.
16256
Askar'yan, G. A.
EXCITATION AND DISSOCIATION GE fOtECOLES IN AN INTENSE LIGHT
FIELD. Soviet Pbys. JETP (English translation from Russian of:
Zb. Eksperim. i Teor. Fiz.), 19 (1):273—274, Jan. 1964. 2 refs.
The possibility and conditions for tbe direct dissociation of
molecules in a very intense light field were discussed. The
magnitude of the effect was estimated by means of simple
guasiclassical calculations. In homopolar molecules, the
difference between the nctrescnance and resonance interactions as
a function of the mutual positions of the interacting atoms and
the direction of the electric vector of the light wave were noted.
At the same values of the various guantities involved, the
dissociation of heteropclar and ionic systers was sore intense.
The strongest dissociation effect appeared when the atoms lay
alcng the direction of the electric field. For the dissociation
of homopolar molecular icne, light fields of higher frequencies
were used, modulated or rotating at a frequency close to the
vibration resonance. It was concluded that it is possible to use
an intense light field with resonance carrier or modulation
frequencies for effective excitation and dissociation. The
effects considered may be used to intensify the effect of light
on molecular media or or micrc-cbjects in order to dissociate
beams on fast atoms or ions entering a trap thus obtaining an
atomic beam fro* a molecular beae, or to directly heat the
molecules of a Bedlam.
1310
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
16261
Knott, Harta J. and Myron Halanchuk
ANALYSIS OF FOREIGN AEROSOI PRCEUCED IN N02 RICH ATMOSPHERES OF
ANIMAL EXPOSURE CHAMBERS. An. Ina. Hyg. Assoc. J., 30(2):147-152,
March-April 1969. 4 refs.
In an earlier toxicological study, lonitoring of a chamber in which
dogs were exposed to N02 and ferric oxide indicated the presence
of an extraneous aerosol with twice the response of the Fe203
aerosol concentration used. The present study was initiated to
identify the substance and measure its components. Nitrate,
nitrite, and ammonium analyses were performed on vater-soluble
portions of aersol sanples withdrawn from the chamber, both when
dogs were present and absent. Analyses revealed that no
nitrite salts wery present, but that nitrate and ammonium ions
were present in appreciable guantities. The relationship between
the nitrate and ammonium ions was examined. In every set of
samples, the N03-N content was greater than the NH4-N content,
indicating that the foreign aerosol is primarily KH4N03. Nitrogen
dioxide concentrations and dog activity contributed to but did not
determine NH4(+) or N03(-) contents of the samples.
16276
Ganz, S. N. and X. E. Kuznetsov
THE DESIGN OF OPEN EQUAL-IICN TONERS WITH CENT3IF0GAL SPRAYERS.
Intern, chem. Eng., 5 (4):653-656, Oct. 1965. 7 refs. (Also: lav.
Vysshikh Uchebn. Zavedenii Khin. i Khim. Teckhnol., 8(1):151,
1965).
Open towers with uniform gas velocities and bulk spraying of
liguids are finding increasing application in heat- and mass-
transfer processes. A general method of designing open spray
towers with centrifugal spraying is proposed, and eguations are
derived for computing power consumption, average drop diameter,
and absorption coefficients fee nitric oxide, hydrogen sulfide,
and sulfur dioxide in Na2C03 solution. The design technigues
presented make possible the accurate determination of basic
structural shapes and sizes of equipment. Spray densities of
open spray equipment for various volumetric gas velocities are
tabulated.
16296
Bickert, Hans and Carl Nagner
A STUDY OF THE KINETICS CI SILVER SUIFIDATION. II. THE
INFLUENCE OF THE PENETRATION REACTION OF THE SILVER THROUGH THE
PHASE BOUNDARY SILVER/SILVER SULFIDE. (Zur Kinetik der
Sulfidierung von Silber. II. Oer Eiofluss der Durchtrittsreaktion
des Silbers durch die Phasengrenze silber/Silbersulfid). Text
in German. Z. Physik. Chem. Neue Folge (Frankfurt), vol.
31:32-39, 1962.
M. Basic Science and Technology
1311
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The speed with which one-dimensicral, cobpact silver sulfide
layers develop during a reaction between silver and liquid sulfur
was determined at 200 and 300 c by using the penetration reaction
of silver through the phase boundary Ag/Ag2S and the movement of
silver ions and electrons in Ag2S. The rate of Ag2S formation
was computed up to very thick layers (5 cm) from the laws
governing the three individual processes, such as (1)
penetration of silver ions and electrons through the phase
boundary Ag/Ag2S, (2) movement of silver ions and electrons
through the compact Ag2S, and (3) inclusion of sulfur in the
Ag2S lattice at the phase boundary Ag2S/S. The results agreed
well with measurements conducted earlier. The linear tiae lav
for very thin layers (less than 0.1 en) may be quantitatively
expressed by assuming that the transition of the silver from the
metallic state to Ag2S is the rate-determining process.
163C7
Collier, Susan S., Akira Morikawa, David H. Slater, Jack G.
Calvert, George Beinhardt, and Edward Damon
THE LIFETIME AND QOIKCHIHG HATE CONSTANT FOB THE LOBEST TBIP1ET
STATE OF SUXFOB DIOXIDE. J. Am. Chen. Soc., 92 (1):217-218, Jan.
1970. 5 refs.
The lifetime of a sulfur dioxide triplet species which was
generated in two distinct photochemical Mays was determined. The
first method was direct laser light excitation of sulfur dioxide
to the first excited triplet state by absorption at 3828.8 A
within the forbidden triplet - singlet band in the pressure range
1-25 Torr. Excitation occurred only in the reaction S02 + light
(3828.fi A) yields the first excited triplet state of S02.
Triplet decay was seen in the reactions: first excited triplet
state yields S02 + light or S02, and first excited triplet state
yields S03 4 SO or 2S02. The second method employed was flash
photolytic excitation of sulfur dioxide to the first excited
singlet state with subsequent triplet population by intersystem
crossing at pressures of 0.02-0.15 Torr. Excitation of sulfur
dioxide occurred in the reaction S02 ~ light (2500-3300 A) yields
the first excited singlet state. Triplet formation, and excited
singlet and triplet molecule decay, resulted from a series of
reactions: first excited triplet state yields S02 ~ light or S02;
first excited triplet state + S02 yields S03 + SO or 2S02; the
first excited singlet state + S02 yields 2SQ2 or the first excited
triplet state + S02; and the first excited singlet state yields
S02 +¦ light or S02 or the first excited triplet state. It was
concluded from the graphs of inverse triplet lifetime vs. sulfur
dioxide pressure that the triplet lifetime is a marked function
of the sulfur dioxide pressure. The reactivity of the triplet
toward S02 is not a strong function of the vibrational level in
which the triplet is first formed. Vibrational equilibration o£
the triplet is practically complete for all of the conditions
employed. These results are in opposition to those presented by
Caton and Duncan who showed no dependence of sulfur dioxide
pressure.
1312
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
16315
Hoskalenko, N. I.
SPECTRAL TRANSMISSION FUNCTIONS IB BANDS OF H20 VAPOB, 03, »20
AND THE N2 COMPONENT IN THE ATBCSFBEBE. (Funktsii spekral^ogo
propuskaniya v polosakh parov H20, 03, N20 and N2 koraponent v
atmosfere). Text in Russian. Fiz. Atm. i okeana (Roscow),
5(11):1179-1190, 1969. 17 refs.
The spectral transmission functions of water vapor, ozone, nitrous
oxide, and nitrogen were obtained in the infrared region. The
presence of absorption bands of the 1)2 component was shown in
the spectral region 3.85-1.3 micron and parameters are given
which permit the calculation of its absorption in the
atmosphere.
16375
Horuzzi, J* L. and A. V. Phelps
SURVEY OF NEGATIVE-I0N-JJ01EC01E REACTIOMS ID 02, C02, H20, CO,
AND MIXTURES OF THESE GASES AT HIGH PRESSURES. J. Chest. PhyE.,
15(12):M617-4627, Dec. 15, 1966. 38 refs.
Negative ions formed in high-pressure drift tubes were analyzed
by mass spectrometric techniques for various pressures and
various ratios of electric field strength to pressure (E/p).
Gases studied include 02, C02, B20, and CO plus the mixtures
CQ2-Q2, H20-02, and. ca-02. Results Hiere presented in the for# of
plots of the relative negative icn currents as a function of E/p
at fixed pressure or as a function of the partial pressure of an
added gas, and as plots of the ratios of negative ion currents
as a function of pressure at fixed E/p for the various gases and
mixtures. The measurements were interpreted in terns of the
following reactions between the negative ions and gas molecules:
dissociative attachment, three-body attachment, ionization,
collisional detachment, two-body conversion, and three-body
conversion. A significant finding was the observation of
apparent associative-detachment reactions involving O(-) and
either CO or 82. This type of reaction is of interest because
of the possibility that 02 (-) and o(-) ions present in the
atmosphere are destroyed by associative detachment in collisions
with atomic oxygen. An attempt is being made to measure the rate
coefficients for these reactions.
16379
Chertkov, B. A.
THECBY 0? OXIDATION OF SULFITE-BISULFITE SOLUTIONS. (K teocii
ckisleniya Bul'fit-bisul'fitnykh rastvorov). Text in Russian.
Zh. Prikl. Khim., 32 (12):2609-2613, 1959. 9 refs.
M. Basic Science and Technology
1313
-------
The deviation from a theory of oxidation of sulfite-bisulfite
solutions with impurities (thicsulfate and trithionate in
particular) under industrial conditions was examined. The
oxidation rate increased significantly with even a slight thionate
content. An explanation of the catalytic role of thiosulfate in
the overall mechanism of oxidation of sulfite-bisulfite
solutions was given and Has based on earlier research by the
sane author on the oxidation of ammonium sulfite-bisulfite.
16391
Eullrich, K., H. Eiden, G. Eschelbach, K. Fischer, G. Haenel,
K. Heger, H. Schollmayer, and G. Steinhorst
COMPUTATION OF MULTIPLE SCATTERING IN THE TURBID ATHOSPHEHE. In:
Research on Atmospheric Optical Fadiation Transmission. Dec. 1,
1967 - Nov. 30, 1968. (Final Report.) Johannes Gutenberg-
Universitaet, Hainz, Germany, Inst, fuer fjeteorolcgie, OAR Contract
F 61052 67 C 00146, AFCRL-69-0-0266, p. 54-81,108-111, Jan. 1969.
38 tefs.
A method is given for the approximate calculation of multiple
scattering in the turbid atmosphere using the equation of
radioactive transfer, the atmosphere being divided in different
layers of certain optical depths. Because of the large computer
memory required for the solution of the matrix equation, the
single step method of Gauss-Seidel is used in combination vith
the Jacobi iteration procedure. To obtain exact results of the
intensities, it is necessary to solve the radiative transfer
equation for all four stokes1 parameters. (Author abstract
modified)
16419
Pozin, H. Ye., I. P. Hukhlenov, and 1. S. Vasilesku
OXIDATION OF SDLP08 DICXIDS II IRCN SULFATE SOLUTION. (Ob
OJcislenii sernistogo angidrida v rastvare sul'fatov zheleza).
Text in Russian. Zh. Prikl. Kbin., 28(7):681-686, 1955. 7 refs.
The oxidation of so2 in the presence of iron ion was studied
experimentally. The following optimum conditions were established
for simultaneous processing cf waste gases and pickling solutions:
1) during oxidation of FeS04 to Fe2(SQ4)3 - temperature from
60-80 c, incoming S02:02 ratio of 1:5, an initial concentration
of ferrous sulfate up to 18* does not affect the course of the
reaction; 2) during sulfuric acid formation - temperature from
80-90 C, 502:02 ratio equal to 1:4, optimum iron ion concentration,
10-30 g/liter. An acid formation rate of about 1000 kg of
sulfuric acid monohydrate from a cubic meter of reaction volume
was achieved in the laboratory under optimum conditions. These
experiments demonstrate tbe advisability of examining the reaction
of S02 exhaust gas with spent pickling solutions under plant
conditions for the purpose of recovering the pickling solutions or
for producing dilute sulfuric acid and crystalline ferric sulfate.
1314
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
16422
Zalogin, N. and N. Mechaeva
THE POSSIBLE EFFECT OF WAVELEKG1H OF THE HIGH-FHEQUEBCY DISCHABGE
OH GASEOUS CHEMICAL REACTIONS. (0 vozooshnom vliyanii dliny volny
vysoko-chastotnogo razyada na ga?ovye khiaicheskie reaktsii).
Text in Bussian. Zh. Fiz. Khim., 6:136-44, 1935. 8 refs.
The effect was studied of wavelength on the oxidation reaction of
sulfur dioxide and on the value of the logarithaic attenuation
ratio ia a nixture of sulfur dioxide and air. A relationship was
found to exist between the logarithaic attenuation ratio and the
ongoing chemical reaction. The effect was studied of the
wavelength on the oxidation of sulfur dioxide in an atmosphere
of pure oxygen and on the value of the logarithaic attenuation
ratio in a aixture of sulfur dioxide and oxygen. This relationship
differed froa that obtained for oxidation of sulfur dioxide in the
air. The effect was studied of wavelength on the formation of
ozone in an atnosphere of oxygen and on the logarithaic
attenuation ratio. An increase in the wavelength froa 150 to 500
aeters decreased the yield of czone. A curve was drawn for the
effect of the frequency of the high-frequency discharge on the
value of the ratio in an atmosphere of nitrogen. The aaxiaua
logarithaic attenuation ratio occurred at 220 aeters. The
relationship was studied of the aaount of nitrogen oxides formed,
in a mixture of nitrogen and oxygen, on the percentage content of
these gases. The optiaal ratio of the reacting gases depended on
the freguency of the high-frequency discharge.
16429
Kornfeld, G. and E. Weegnann
THE OXIDATION OF SULFUB DIOXIDE III ULTRAVIOLET LIGHT. (Die
Oxydation von Schwefeldioxyd ia ultravioletten Licht). Text in
Geraan. Z. Elektrochea., 36 (9):789-94, 1930. 13 refs.
Sulfur dioxide obtained by dropping concentrated H2S04 into BaHS03
was mixed with electrolytically produced oxygen and irradiated with
3130, 3020 to 2970, 2600, 2537, 2300 to 2140, 2070 and 1860 A. The
S02 content was determined by iodometric titration and compared
with the S02 content of a nonirradiated sample. The UV-absorption
of SO2 was so complete that the fraction of light which penetrated
the layer was negligible. Despite this, however, no reaction was
observed at 3020, 2800, or 2537 A. Indication of S03 formation
were obtained only in the ehoitvave range experiments. It was
found that S03 also absorbed ultraviolet light, which led to its
dissociation. For one and the same wavelength, the number of
molecules converted per guantum depended on the concentration of
the formed S03. The absorption was more pronounced at 1860 than
2070 A. The reaction speed was independent of the S02 and 02
concentration. Dissociation of pure S02, which lead to the
formation of S03 and precipitation of S2, took place at 207C and
i860 A, but not at 2537 A. Nc explanation is found for this
phenomenon. Further analyses are required.
M. Basic Science and Technology
1315
-------
16461
Eoreskov, G. K. and 7. I. Sokclcva
KINETICS OF CONTACT OXIDATION OF SUIFOR DIOXIDE ON FERRIC OXIDE.
(Kinetika kontaktnogo okisleniya sernistogo gaza no okisi zbeleza).
Text in Russian. Zh. Fiz. Khim., 18 (3-4) :8?-101, 1944. 19 tefs.
The effect cf temperature on the rate of catalytic oxidation of S02
on ferric oxide and on the change in catalyst composition was
studied experimentally. It was established that a sharp decrease
in catalytic activity observed at 62G-64Q C is conditioned by
conversion of ferric oxide (hematite) to catalytically inactive
ferric sulfate. Ferrous-ferric and ferrous sulfates were not
detected in the catalyst after lev temperature operation. The
kinetics of S02 oxidation over Fe203 were studied at 680 C. Above
625 c (i.e., above the range cf hematite stability), the apparent
activation energy of the forward reaction is 38,000 cal. A
proposed mechanism for Fe203 catalysis of S02 which assumes an
intermediate reaction of S02 with the surface of the catalyst,
without disruption of the bond between surface iron atoms and the
rest of the hematite crystal lattice, is presented. It is
suggested that the surface of the hematite crystals combines with
oxygen and that the Uniting stage of the catalytic reaction is
the absorption of cxygen from the gaseous phase.
16462
Adadurov, I. Ye., D. V. Gernet, and A. V. Shuryayeva
EFFECT OF CARRIERS AND DILUENTS OS ACTIVATION ENERGY AND
DISPERSION COEFFICIENT. (Vliyaniye nositeley i razbaviteley
na energiyu aktivatsii i velichinu kcefetsienta rasseyaniya).
Text in Russian. Zh. Fiz. Khim, 7(3):451-464, 1936. 13 refs.
Studies of catalytic reactions involving a chromium-tin catalyst
demonstrated that: 1) as the applied catalyst layer is increased,
the distorting effect of the substrate is reduced; 2) the
distorting effect of the substrate is greater the smaller the
radius of its cation and the greater its charge; 3) disruption of
catalytic action is greater the greater the radius of its cation
and the smaller its charge. Experimental data relate to oxidation
of 502 to S03. The catalyst was tested on porcelain, A1203,
Fe2C3, A12Q3, and Hn02 substrates. Catalyst diluents used were
calcium sulfate, strontium sulfate, barium sulfate, thoric oxide,
eerie oxide, and zirconium dioxide. Bate constants, temperatures,
and activation energies tor maximum conversion are tabulated for
various catalyst combinations. An exponential dependence of the
coefficient of activity on activation energy is revealed, the
dispersion coefficient depending on the method of preparation of
the catalyst and hence on the kinetic conditions of formation of
active centers.
1316
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
16163
Kashtanov, 1. I. and V. P. Gyzhov
INVESTIGATICM OF THE OXIDATION KINETICS OF GASEOUS SULFUR DIOXIDE
IN H AT EH SOLUTIONS AND THE PROCESSES OF CONTABINATIOH OF
MANGANESE SULFATE WITH PHENOL. (Izucheniye kinetiki okisleniya
gazcobrasnogo sernistogo angidrida v vodnykh rastvorakh i
protsessov otravleniya sernokislogo margantsa fenolom). Text
in Russian. Izv. Teplotekhn. Inst., 1939:37-
-------
used to determine the effect of temperature on tobacco plants
exposed to 10 and 20 pphm czoue. Results show that ozone damage
in sensitive plants is inversely related to temperature, and not
to humidity, which was maintained at a constant 80S.
16509
Scsnove *y, H. «. c.
THE CATALYTIC ACTIVITY OF SI1VEB CBYSTAlS OF VARIOUS ORIENTATIONS
AFTEB ECHEABEHENT KITH POSITIVE IONS. Phys. Chem. Solids, vol.
10:304-310, 1959. 15 refs.
Single crystals of silver with surfaces oriented parallel to
(111), (110), and (100) Here bombarded with positive argon ions at
voltages between 14 and 4000 V. The catalytic decomposition of
formic acid was used as a test reaction in the temperature range
150-250 C. For each of the crystals, the catalytic activity uas
measured as a function of the energy of the bombarding ions. The
parameters, log A (freguency factor) and E (experimental
activation energy) found from Arrhenius plots, change considerably
Kith bombarding ion energy and are different for each ion energy
for the three orientations. It was concluded that the reaction
occurs at sites where dislccaticn lines intersect the surface and
that a compensating effect occurs which is associated with
interaction between dislocations when their density is high.
(Author abstract modified)
16530
Bai Dastidar, T. K.f P. K. Bhattacharyya, and A. K. Barua
HEAT CONDUCTIVITY OF THE SLCHI1 DISSOCIATING SYST1B 2N02 IN
EQUILIBRIUM WITH 2N0 + 02 FROH 200 TO 400 C. Trans. Faraday Soc.,
65(563);2913-2917, Nov. 1969. 12 refs.
The thermal conductivity of the slowly dissociating system 2N02
in eguilibrium with 2NO + 02 was measured at 200-400 C and at
various pressures by the hot-wire technigue. On comparing the
experimental data with theories of heat transfer in reacting
gases, it was found that the effect of chemical reaction on heat
conductivity is apparent at 350 C and above, but negligible at
300 C and below. Theories regarding the role of chemical
enthalpy at high temperatures are inadequate for a quantitative
explanation of the experimental results. (Author abstract
modified)
1656S
streetman, J. R. and f. A. Matsen
A FLOW BEACTOR FOB KINETIC STUDIES.
Cheiristry, Contract AF 18 (600)-430,
Hay 1955.
DEC At 63363
Texas Oniv., Austin, Dept. of
IN-10 , OSB-TN-55-125, 15p. ,
1318
PHOTOCHEMICAL OXIDANTS AN0 AIR POLLUTION
-------
A new flow reactor was constructed for the study of the kinetics
of thermal reactions in acetylene and oxy-acetylene, particularly
those with low oxygen concentrations. The purpose of the reactor
was to obtain kinetic data such as specific reaction rate
constants, reaction orders, and apparent activation energies from
a flow system. The reactor consists of a Vycor tube 214 ci long
and having a bore of 1.3 cm. This choice was made so that
essentially one-dimensional kinetics will prevail and the
relatively simple one-dimensional equations will apply. The tube
is electrically heated and the temperature automatically controlled
and recorded. The flow of gases is measured by rotameters used
individually and in combination. Continuous analysis is carried
out on the product gases by an infrared spectrometer. Facilities
were provided tc permit diluticn by helium, inhibition by nitric
oxide, and activation by oxygen or ethylene oxide. A detailed
description of the apparatus is given.
16574
Strohmeier, Walter and Johann Friedrich Guttenberger
SULFUB-CONTAIMI KG COHPOONDS AS IIGANDS IS PHOTOCHEMICAL!! PRODUCED
DERIVATIVES OF THE CYCLOPENTADIENVL MANGANESE TBICABBONYL. (S-
Haltige Verbindungen als Liganden in photochemisch hergestellten
Derivaten des Cyclopentadienylmangantricarbonyls). Text in
German. Chem. Ber., 97(7):1871-1876, 1964. 16 refs.
Cyclopentadienyl manganese tricarbonyl reacts photochemically with
the Senators D (D eguals alkylsulfide, sulfoxide, sulfite, and
sulfur dioxide) where CO is split off and the monosubstitutes
C5H5Mn(CO)2D arc formed. The manganese and donator D are bound
by the sulfur. The possibility that they are bound by the oxygen
has been ruled out for the following reasons: it has not yet been
possible to isolate derivatives of c5H5Hn(C0)3 with O-bases;
the frequency of the CO spectra of the studied sulfur complexes is
in the range of those donators which are capable of forming
electron acceptors; binding by the C-atom would shift the double
bond SO freguency toward smaller wave numbers; and sulfones which
have no free electron pair form no derivatives with C5H5Hn (CO) 3.
The tendency of the sulfur to for* electron acceptors increases
in the order R2S, (CH3)2SO, (CB2)4SO, (C6HS)2S0, (CH220)2SO, and
S02.
16605
Asingex, Friedrich
THE PBODUCIS OF THE COMMON INFLUENCE OE SULFUB DIOXIDE AND CHLORINE
ON ALIPHATIC HYDBOCABBONS IN DLTBAVIOLET LIGHT. IV PART: THE
PBODUCTS OF THE COMMON INFLUENCE CI SULFUB DIOXIDE AND CHLORINE ON
H-DODECANE. (Zur Kenntnis der Prcduckte der gemeinsamen
Einwirkung von Schwefeldioxyd und Chlor auf aliphatische
Kohlenwasserstoffe im ultravioletten Licht, IV. Mitt.: Die Produkte
der gemeinsamen Einwirkung von Schwefeldioxyd. und Chlor auf
n-Dodecan). Text in German. Chem. Eer., 77-79 (3-4):19 1-194, 1S44.
13 refs.
M. Basic Science and Technology
1319
-------
In a study of the reactions of high Molecular straight-chained
paraffines hydrocarbons to sulfoehlorination, n-dodecane was
subjected to a partial sulfoehlorination to avoid excessive di
and polysulfochloride formation. The sulfochlorides were
liberated froi the unconverted hydrocarbon through selective
extraction with liquid S02. Di and polysulfochlorides were
precipitated from mixture^ with monosulfochlorides with pentane.
The mixture of monosulfochlorides was then desulfurized, leaving
a mixture of dodecyl chlorides in which the chlorine assumed the
same position as previously held by the sulfochloride group. The
dodecyl chloride mixture was converted into dodecylenes with
silver stereate. From 100 g of dodecylene mixture 87g water-
insoluble fatty acids were obtained. The composition of the
individual acids in sol percent was: C6 17.2, C7 18.6, C8 16*6,
C9 19.2, C10 18.1 and C11 10.3.
166C9
Cverberger, C. G. and J. k. flocxe
CCPOLYHEB1SWIQH OF BEHZ1L VIIH1 SULPHIDE B1IH S0IPHU8 DIOXIDE.
Chen. Ind. (London), no. 1:21, Jan. 6, 1968. 10 refs.
During studies of the oxidation of polyfuncticnal me reaptans, a
sulfur-containing monomer which could be readily homopolyaerized
and subsequently converted to poly{vinyl nereaptan) was sought.
Benzyl vibyl sulfide (BVS) was investigated, ffhen EVS was
injected in liquid sulfur dioxide at -20 to -30 deg in the
presence of dry air, a bright, yellcw color was formed immediately
and persisted until the end of the reaction. Evaporation of
unreacted sulfur dioxide at atmospheric pressure and room
temperature yielded a thick, yellow mass which dissolved in
chloroform to give a yellow solution. The yellow color
disappeared and a white solid was precipitated upon addition of
this solution to methanol. The dried product was found to be
a 1:1 copolymer of S02 and EVS, and not a honopolytter of BVS
as previously reported. When the experiment was performed in
the absence of air, no yellow color was formed and only traces
were obtained of a solid, which was not a 1:1 copolymer. The
yellow color observed when the reaction was carried out in air
may be indicative of the interaediacy of a charge transfer complex
in the reaction.
16693
Squire, 0. M. and Hilliam A. Haters
THE ADDITION OF PHENYL BJEICAIS TC S0LPHUH DIOXIDE. J. Chem.
Sac., 1962:2068-2069, 1962. refs.
Experiments were undertaken to determine the nature and
reactivity of the radical-sulfur dioxide adducts of co-polymers
formed when olefins and sulfur dioxide combine in the presence
of a peroxide catalyst. Reaction products obtained by passing
S02 through a dry, decomposing solution of benzoyl peroxide in
1320
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
boiling benzene included 4% diphenyl disulfone. Diphenyl sulfone
could not be detected. The yield o£ diphenyl disulfone rose
to 14)1 when SO2 was passed through benzoyl peroxide in
chlorobenzene at 100 deg. The absence of chlorinated disulfone
indicates that sulfcne radicals produced by phenyl-sulfur dioxide
reactions are too unreactive tc attack benzene or chlorobenzene.
Benzyl phenyl sulfone vas formed when S02 vas passed through
benzoyl peroxide in toluene, but this product is also attributed
to the addition of phenyl radicals. It is another indication
that phenyl radicals ccabine with the sulfur atom in S02 to yield
a stabilized free radical which the unpaired electron is again
associated with the sulfur atom.
16788
Foster, P. B.
THE OXIDATION OF SULPHUB DIOXIDE IN POHEB STATION PLUHES. Atmos.
Environ., 3(2):157-175, Harch 1969. 12 refs.
Some theoretical estimates are Bade cf the rate of growth of
H2S04 droplets nucleated by HnSC4 crystallites in a humid, S02
polluted atmosphere. Comparison with experiment suggests that,
as the acid concentration within the droplet rises, the rate of
growth decreases as a result of the product acid affecting the
rate of S02 oxidation, lor this reason the aaount cf droplet
growth, and the aaount of S02 oxidation, is very sensitive to
the ambient humidity, and will be greatest for saturated or very
high relative humidities where droplet acid concentrations are
restricted to low values. Similar calculations relating to the
dusty conditions present in power station pluses are also made.
These show that the rates of S02 oxidation observed in these
systems can be accounted for by the catalytic qualities of the
iron present in the effluent dust. It is suggested that other
cxides present also play an important part in this process in that
they react with the product acid as it is formed, thus keeping
the droplet in a neutral condition in which the catalyst is most
active. (Author's Abstract)
16883
Balstead, H. D. and E. Raask
THE BEUAVIOUB OF SULPHUR AND CHLCBINE COMPOUNDS IN PUIVEBIZED-COAI.-
FIBED ECILEBS. J. Inst. Fuel, 42 (344):344-349, Sept. 1969. 14
refs.
laboratory experiments and probe tests in boilers have been made to
study the decomposition of pyrite, the evaporation of sodium
chloride and the formation of sulfates in the flue gas of
pulverized-coal-fired boilers* The results have been compared
with theoretical predictions made on the basis of thermodynamic
calculations. In large boilers where there is good mixing of the
fuel and combustion air it is shown that the conversion of
chloride to sulfate is complete when the flue gas leaves with
M. Basic Sciotic# arid Technology
1321
-------
only trace anounts of chloride. Initial deposits on the furnace
tubes will contain significant amounts of chloride and pyrite
residues when there is either a localized deficiency in oxygen,
or a particularly short residence tine of sulfur and chlorine
compounds in the flame. (Author's Abstract)
16886
Schaefer, Vincent J.
THE INADVERTENT HODIPICATIOK OF THE ATMOSPHEBE BY AIR POLLUTION.
Bull. A*. Heteorol. Soc., 50 (4); 199-206, April 1969. 16 refs.
There has been a very noticeable increase in air pollution during
the past ten years over and downwind of the several large
Metropolitan areas of the D. S. such as the northwest—Vancouver-
Seattle-Tacoma-Portland; the west coast from San Francisco-
Sacranento-Fresno-Ics Angeles; the front range of the Bockies from
Boulder-Denver-Colorado Springs-Pueblo; the midwest—Onaha-Kansas
City-St. Louis-Henphis; the Great Lakes area of Chicago-Detroit-
Cleveland-Buffalo; and the northeast—washington-Philadelphia-
Kew York-Boston. The worst accumulation of particulate natter
occurs at the top of the inversion which commonly intensifies at
night at levels ranging from 1000 to 4000 ft. or so above the
ground. This dense concentration of air-suspended particles is
¦est apparent tc air travelers. Thus, it has not as yet disturbed
the general public except during periods of stagnant weather
systeas when the concentration of heavily polluted air extends
downward and engulfs thea on the highways, at their homes and in
their working areas. (Author's Abstract)
16913
Good, A. and J. C. J. Thynne
BEACTIOH DP FREE FAEICALS BITH SOIPHUB DIOXIDE. PART I. METHYL
RADICALS. Trans. Facaday Soc., 63 (11) .-2708-2714, 1967. 26 refs.
The reaction of S02 with aethyl radicals, generated from the
photolysis of azoaethane at laabda greater than 3400 A, was studied
froa 25-164 C. At low temperatures, the addition reaction to
fora aethylsnlfonyl radicals is fast; as the temperature increases,
the radicals become increasingly unstable. They appear not to be
formed at 164 C. Arrhenius parameters were measured or deduced
ty a material balance method for the following reactions: CH3 ~
CH3B2CH3 yields CH4 + CH2N2CH3; Ch3 + S02 yields CH3S02; and
CH3S02 yields CH3 + S02, A value of 0.04 was obtained for the
disproportionation:conbination ratio of methyl and methylsulfonyl
radicals. The addition reaction of methyl radicals with S02 is
compared with their reaction with oxygen, carbon nonoxide, and
ethylene. Although the reaction with oxygen requires zero
activation energy, the three-body limitation for the oxygen
reaction leads to the conclusion that in the gas phase, the overall
addition rates of aethyl radicals to So2 and 02 are similar at
1322
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
50 aa Hg. Because of this similarity, sulfur dioxide-oxygen
reactions with hydrocarbon radicals tend to form RS02, not B02,
radicals as tbe initial addition step when sulfur concentrations
are great, in reactions occurring in the atmosphere, it is
expected that low S02 concentration reactions with free radicals
will occur rapidly. (Author abstract modified)
16963
law, J*
ELECTROS SPIN RESONANCE STUDIES OF SHE REACTIONS OF NITRIC OXIDE
AHD NITROGEN DIOXIDE WITH P01YMETHI1 HETHACHY1ATE. Nature,
no. 5056:1351-135ft, Sept. 24, 1966. 8 refs.
The effect of nitric oxide and nitrogen dioxide on poly®ethyl
¦ethacrylate (PMMA) containing methyl netbacrylate nonower (MBA)
and on puce BHA was investigated with electron spin resonance
(ESB) technigues. Saaples of PHMA exposed continuously to
nitrogen dioxide at 137 aa of aercury showed weak ESR signals
with a few ainutes. These signals decayed and disappeared within
an hour. Samples exposed to a lower pressure of nitrogen dioxide
showed larger signals that decayed sore slowly. These signals
showed no change in intensity when tbe nitrogen dioxide pressure
was later increased. Samples of PMBA exposed to nitric oxide
developed almost identical ESR spectra, although at high
concentrations, nitric oxide radicals were stable for almost a
week. Saaples exposed alternately to nitric oxide at ata pressure
for 48 hr and nitrogen dioxide at 137 na of aercury lost their ESB
signals; saaples exposed to nitric oxide and nitrogen dioxide at
9 na of aercury showed no change in signal intensity, indicating
that each gas attacks tbe saae site. A model for the kinetics
of the nitrogen dioxide reaction gives good agreement with the
experimental results.
16966
Stephens, S. B., 0. E. Scott, P. 1. fianst, and R. C. Doerr
RECENT DEVELOPMENTS IN THE STOCK OF THE ORGANIC CHEBISTRY OF THE
ATflOSPHERE. J. Air Pollution Control Assoc., 6(3): 159-165,
Nov. 1956. 5 refs. (Presented at tbe 21st Midyear Meeting, the
American Petroleum Institute's Division of Refining, Montreal,
Que., Ray 16, 1956.)
A special reaction vessel and infrared absorption call with a
multiple-reflection system were designed to detect the products of
the photolysis of organic coapounds with nitrogen dioxide in
concentrations as low as a few tenths ppa. The transitory
formation of ozone by the photolysis of nitrogen dioxide in oxygen
was demonstrated; it was shown that if the fast back reaction
between ozone and nitric oxide is suppressed by the addition of
nitrogen pentoxide to react with the nitric oxide, the ozone will
quickly accumulate in the system. Other products observed were
M. Basic Science and Technology
1323
-------
aldehyde, alkyl nitrate, formic acid, carbon monoxide, carton
dioxide, water, and an unknown compound later identified as an
acyl-nitrogen compound. Aside from ozone, this compound is
considered the most important product of photochemical reactions.
Its role in the mechanism of nitrogen dioxide-organic compound
photochemical reactions is discussed. It is believed that free
radicals arising during the oxidation of organic material play a
part similar to that of nitrogen pentoxide. That is, they react
with nitric oxide to form the acyl-nitrogen compound, allowing
ozone to accumulate in the system. The mechanism explains the
parallelism between the rate of the compound formation, the rate of
ozooe formation, and the rate cf nitrogen dioxide disapperance. It
also explains the production in nitrogen dioxide-organic compound-
air mixtures of ozone in concentrations in excess of the initial
nitrogen dioxide concentration.
11010
Johnston, Harold S» and Kapil Dev Jain
SOLFOR DIOXIDE SENSITIZED PHOTOCHEMICAL OXIDATION OF
HXDROCABBOHS. Science, vol. 131:1523-152a, May 20, 1960. U refs.
In a study of fog formation, flasks filled with sulfur dioxide,
n-butane, and air were either exposed to sunlight for two pin to
three weeks or kept in the dark for up to six months, Liguid
products that formed in the flasks were analyzed by gas
chromatographic and spectroscopic techniques. Light fogs formed
in the presence of sulfur dioxide and butane or sulfur dioxide
and air, but heavy fogs formed only when sulfur dioxide, n-butane,
and air were simultaneously present. No fogs formed in mixtures
kept in the dark. The liguid which settled out was colorless
{butane and sulfur dioxide) or light yellow (air) but turned
dark brown when exposed to sunlight. Experimental analysis of
mixed liguid products gave an average empirical formula of
C2H5505. Spot tests for organic peroxides were negative. The
mixed products are apparently highly oxidized, sulfur-containing,
organic strong acids. It is proposed that the slow, cumulative
photoreactions of sulfur dioxide with organic material adds up to
a significant contributicn tc air pollution.
17030
Shirai, Tsuneo, Yoshiaki Kudo, Masayuki Shimojo, and Saburo
lanagisawa
ICN-HOLECDLE BEACTI0N OF IJXCBCCJPECKS WITH HITBOGEN MONOXIDE.
(Tankasuiso to issankachisEc no ion bunshi hanno). Text in
Japanese. Taiki osen Kenkyu (0. Japan Soc. Air Pollution),
3(2):123-125, 1969. 3 refs.
Ion-molecule reactions between several hydrocarbons and nitric
oxide were investigated in the ionization chamber of a Niec type
mass spectrometer. The pressure in the chamber was raised to
about 0.01 mm Hg. Gas mixtures of the hydrocarbons and nitric
1324 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
/
-------
cxide were prepared in the gas reservoir of the sample introduction
system. The hydrocarbons Here sethane, ethane, propane, ethylene,
and propylene with purities higher than 99%. The mixture of
methane and nitric cxide exhibited peak of i/e 45 which was not
observed in the single system of methane or nitrogen monoxide. At
the sane time, the peaks due to methane itself decreased. Similar
results were obtained for the ether mixtures. New peaks of m/e
59 for ethane, m/e 15, 59 for propane, and m/e 59 for ethylene
and propylene became greater with increased nitric cxide pressure.
It is concluded that these ions were probably formed by the
reactions between fragment ions of hydrocarbons and nitric oxide
or vice versa; the ions corresponded to CH3N0(+) for m/e 45 and
C2H5N0(+) for m/e 59. (Author abstract modified)
noao
Ishida, Takanobu and dilliam Spindel
CHEMICAL AND ISOTOPIC EQUILIBRIA INVOLVING LIQUID AND GASEOUS
KITBOGEN OXIDES. J. Chem. Eng. Data, 15 (1):107-144, Jan. 1970.
16 refs.
Existing experimental data dealing with liquid-gas-phase eguilibria
among nitrogen oxides (NO, N02, and N204) were re-examined, and an
improved method was developed for calculating the gas-phase
composition for a given liguid phase and temperature. The method
was used to calculate chemical compositions in such systems over
a wide range of temperature and total pressure. The effective
single-stage separation factor for concentrating nitrogen-15
by this exchange system was also evaluated over a broad range of
operating conditions. The effective separation factor for any
gas-liguid system is increased by the addition of nitric oxide
to the system, as long as the added nitric cxide affects the vapor
phase more than the liguid phase. As the composition of the vapor
phase approaches that of pure nitric oxide, a point is reached
where further increases in the relative amount of 2 (+) nitrogen
in the system affects the gas phase composition less than the
composition of the liguid phase. (Author abstract modified)
17043
Petriconi, Gianna L. and Henry H. Papee
ON THE DECOMPOSITION OF AMMONIUM NITRATE IN THE ATHCSPHEBE. J.
Atmospheric Sci., 27(1);164-166, Jan. 1970. 28 refs.
The process by which ammonium salts are destroyed in the
atmosphere, with ultimate conversion to oxygen, nitrogen and its
oxides, and water, was studied in the laboratory with unfiltered
light obtained from an immersion lamp. The effects of nitrate
concentration, temperature, and radiation intensity were
evaluated both by analysis for nitrite in irradiated solutions and
by volumetric measurements cf the gases evolved during
irradiation and the dark decomposition. The overall effect of
apparent nitrite formation was enhanced by increases in radiation
M. Basic Science and Technology
1325
-------
intensity and inhibited by increases in nitrate concentration and
temperature. The concurrent decomposition of nitrite and, hence,
its dark decomposition, were enhanced by low pH values and high
temperatures. The concurrent oxidation of the ammonium ion by
transient species developed during nitrate photolysis led to a
substantial increase in the acidity of the photolyzed solutions.
Therefore, under suitable conditions, hygroscopic nitrous
anhydride can be released from solutions. Since they are
functions of temperature and radiation flux, it is concluded that
the formation and photolysis of ammonium and ammonium nitrate are
strongly dependent on the geographic location of a land mass.
17063
Huygen, c.
BEACTIOS OF HITBOGEU DIOXIDE WITH GHIESS TYPE REAGENTS. Anal.
Chem., 42 {3) :407-
-------
*ange 230-270 C, Thy Ox-species of the halide are soluble in the
•etal phase rather than in the electrolytic one, and ace capable
of exchange chemical reactions with the nitrate of the solvent
9iving rise to its decomposition. This exchange reaction is
greatly affected by nitrogen oxides and consequently by the solvent
Preparation procedure and salt purification. The nitrogen oxides
result in an inhibiting influence of the occurrence and/or extent
of the exchange reaction as well as the capability of deforcing
halide waves. This explains the difficulties encountered in
conventional polarography in avoiding maxima. The quantitative
detection of the halides in aolten nitrates is a very sensitive
analytical tool as quantities lever than a few ppm are easily
¦easured. (Author abstract aodified)
11155
Haagen-Sait, A. J. and H. M. ?ox
OZOBB rOBWIIOJ) IM PBOTOCJJ2J9ICJI DJfID1TIOW CP OBGAS1C SUBSTASCBS.
Ind. Eng. Chei., H8 <9) : 148U-HI87, Sept. 1956. 9 refs.
Ozone formation observed in polluted air was duplicated in the
laboratory. In oxygen atmosphere adjusted to 30* humidity and an
irradiation tiae of 10 hours were selected as standards in the
experimental procedure, the ozene formed was measured by the
cracking observed on the bent rubber strips suspended in 5-liter
flasks during irradiation. When 2-butene in concentrations of 3
Epa and nitrogen dioxide in concentrations verying from 0-20 ppm
are irradiated, cracks appear at a concentration approximating
0.2-0.4 ppa nitrogen dioxide. Cracking increases until a maximum
is reached at a nitrogen dioxide concentration of 2-3 ppm. After
passing this maximum, the rubber cracking diminishes and at about
20 ppa nitrogen dioxide, only a few cracks appear during the 10-
hour irradiation. The average rate of ozone formation during the
first 10 hours of irradiation of 3-methylheptane (3 ppn) and
nitrogen dioxide (1 ppa) is about 0.8 ppm/hour. The general shape
of the curves obtained in the experiaents was attributed to at
least two simultaneous reactions: the formation of 02one; and the
removal of ozone by both nitrogen dioxide and the oxidation
products of the hydrocarbon. At a concentration of 3 ppa and
varying concentrations of nitrogen dioxide, the hydrocarbons,
n-butase, n-pentane, n-hexane, n-heptane, and di-isobutylene gave
similar curves to the one obtained with j-metbylheptane, with
optiaua ozone formation at froa 1-3 ppa nitrogen dioxide. Ozone
formation is also shows by the oxidation products o£ hydzocazbojia
such as acids, aldehydes, ketones, and alcohols. The results
showed that ozone formation is proportional to the product of the
hydrocarbon and nitrogen cxide concentrations. The present
control aeasures are directed mainly toward reduction of
hydrocarbon, while nitrogen oxides from high teaperature
combustion sources continue to increase. This increase in
nitrogen oxides demands greater efficiency in hydrocarbon
recovery. Since the reduction of hydrocarbon eaission will only
be partial, it is essential to study the other component of the
saog-foraing system, nitrogen oxides, and to institute engineering
research necessary for the reduction of nitrogen oxides released
by combustion processes.
M. Basic Science and Technology
1327
-------
17168
Newton, Ados S. and A. F. Sciaianna
METASTABLE PEAKS IN THE HASS SPECTRA OF N20 AND N02. II. J. Chen.
Fhys., 52 (1):327-336, Jan. 1, 197C. 15 refs.
Hetastable peaks rising fro* the delayed unimolecular dissociation
of MO <+) to 0(+) + N in the mass spectra of both nitrous oxide and
nitrogen dioxide and from the dissociation of N2(+) and N{+) + S in
the mass spectrum of N20 were investigated. A new metastable
dissociation of N20(2+) to NO (+) + N (+) was also studied. Further
studies were made on the previously known metastable transitions
of N20 (+) to 80 (+) * 8 and of H02(+) to NO (+) ~ 0. The appearance
potential, the kinetic-energy release in fragmentation, and the
half-life were determined for each metastable transition.
Comparisons were made of the energetic and half-life
characteristics of the metastable NC(+) ion as produced from the
sources NO, N20, and NQ2, and of the aetastable N2{+) ion from
the sources N2 and N20. The results were consistent with the
unioolecular dissociation of these diatonic ions, N2(+) and NO (+),
proceeding by predissociation mechanisms. (Author abstract
modified)
17173
Halstead, C. J. and D. 8. Jenkins
SOLFHUB-DIOXIDE-CATAL1ZBD BBC CB El NATION OF BADICALS IN PREBIXED
FDBL-BICH HYEROGEN ~ OXYGEN + NITROGEN FLAHES. Trans. Faraday
Soc., 65 (563):3013-3022, Nov. 1969. 12 refs.
The rate of recombination of hydrogen atoms was measured in a
group of hydrogen + oxygen + nitrogen flames at 2000 K containing
up to 1X volume sulfur dioxide. The catalysis of the rate of
recombination by sulfur dioxide was confirmed; at 2000 K, it
is second order with respect to the hydrogen atom concentration.
The rate of catalysis followed the reaction scheme: (1) H + S02 +
H in equilibrium with HS02 + H (equilibrium constant K3): (2)
HS02 + H yields H2 + S02 (rate constant k4); and (3) HS0 2 + OH
yields H20 + SO2 (rate constant k5). The rate determining steps
were reactions 2 and 3. Values for K3k4 and K3k5 were derived
which, with an estimate of K3, gave Jrt approximately equal to 5
times 10 to the minus 12th and ic5 less than 6 tines 10 to the
minus 12th ml/molecule sec. Calculations for the effect of
temperature on the overall rate of reactions showed that the
order of the reaction with respect to the hydrogen atom
concentration changed to first order at lower temperatures.
(Author abstract nodified)
17195
Suzuki, Satoru
CHENISTBY OF AIR POLLUTION (1). (Taiki oseo no kagaku hanno —
1328
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
/
-------
Joron, sono tenbo). Text in Japanese. Kagaku Kogyo (Tokyo),
2l(2):251-25«, Feb. 1, 1970. 13 refs.
A series of theories about the chemistry of air pollution is
presented, and the history of pollution and its problems are
described. The flow of people to urban centers and the pattern of
city life have increased exhaust materials. Lately, the air
Pollution problem has become internationalized, as illustrated by
an episode occurring near the American-Canadian border. Carbon
dioxide has not been considered to be an air pollutant, tut its
future concentrations will constitute a problem. The first problem
to appear in the history of air pollution was that of snog. Though
effective control methods exist, air pollution by sulfur dioxide
is next in importance. The sulfur dioxide problem will be solved
sooner or later, and further problems will not arise in this
connection. Primary pollution is distinguished from chemical
pollution, namely secondary pollution and radioactive pollution.
Air pollution by snog and sulfur dioxide is primary pollution.
But the primary pollutants can be converted into other harmful
substances, that is, secondary pollutants. A famous example of
a secondary air pollutant is the Los Angeles smog caused by ozone.
Though no plant releases ozone into the atmosphere, organic
compounds and nitrogen dioxide become the source of ozone in the
presence of sunlight, in a subsequent article, the photochemical
reactions of air pollutants will be explained in detail.
17211
Julien, Edmond and Maurice comtat
kinetics of THE anodic oxidation of nitroos acid and of nitbite
IONS ON A PLATIKOH ELECTBODE. (Cinetique de l'oxydation anodique
de l'acide nitreux et des ions nitrite sur electrode de platine).
Text in French. Bev. Chim. Minerals, 6(5):885-900, 1969.
18 refs.
The value corresponding to the pK of the dissociation of nitrous
acid enables one to distinguish in the potentionetrie tests two
domains of variation of the electrode potential £ in av: when pH is
lower than pK, E equals 0.864 - 0.059 pH - 0.0295 log(MH02); when
pH is higher than pK, E equals 0.965 - 0.059 pB. The following
net reactions were studied: HN02 + H20 equals N03(-) + 3H(+) + 2e;
and N02 (-) + H20 equals N03 (-) ~ 2H (+) + 2e, which take place in
several stages. Among several possibilities, two are consistent
with the results of the study: formation of N203 in a rapid
chemical reaction preceding the transfer of electric charge; and
formation of the neutral HM03 during the transfer stage which then
rapidly dissociates in the stage following the electric-charge
transfer. Potentiostatic, potentiodynamic, and galvanometric
measurements of the system on the Pt electrode have shown that its
kinetics are limited by the diffusion of the reacting species to
the electrode and that there is a chemical reaction preceding the
electric-charge transfer. The observations are complicated by the
appearance o£ superficial oxide film, the kinetics of formation of
which interferes with the kinetics of oxidation of HN02, or of
the nitrite ion, and which produces a passivation phenomenon to
boot. A reaction scheme which accounts for both this passivation
M. Basic Science and Technology
1329
-------
and the orders of reactions with respect to the various species
involved could be the following: HN02(5ol.) eguals HN02(el„);
HN02 + Pt yields PtHN02; pt + H2C yields PtCfl + H (+) + e;
PtHN02 + PtOH yields PtHNOS + PtH; PtHN03 yields H (+) + N03(-1) +
Pt; PtH yields Pt + H(+) +¦ e. This scheme does not exhibit the
intermediate stage which can be inferred from the results of
potentioaetric leasurevents. Vet, this is what one should expect
if one assumes that the superficial oxides film can not form
unless there is polarization of the electrode. The passivation
phenomenon encountered in the present study is in need of a
thorough investigation, particularly from the point of view of
superposition of the processes of diffusion and adsorption.
17223
Hampson, R. Or. and H. Okabe
C 01II SI ON A L STIKU1ATI0N OF THE C {IS) -0 < 1XJJ EMISSION Of OXTGEN
ATOMS FORMED IN VACOUM-ULTRAVIOIET PHOTOLYSIS OF NITROOS OXIDE.
J. Chen. Phys., 52(4):1S3C-1933, Feb. 15, 1970. 17 refs.
Cxygen atoms in the 1S state were produced by the vacuum-
ultraviolet photolysis of nitrous oxide and observed by their
emission at 5S77 A in the 1S-1D transition. The stimulation of
this emission by collision with added gases was studied. The
emission vas proportional to the pressure of the added gas. Xenon
was the most efficient stimulator, followed in order of decreasing
efficiency by Kr, Ar, N2, H2, and He. Data obtained by photolysis
of N02 and C02 was used to estimate their quantum yields for the
formation of 0(1S). (Author abstract modified)
17301
Gal'tsev, A. P. and V. H. Osipcv
DETERMINATION OF THE ABSORPTION FUNCTION FOB THE 9.6 AND 4.7
MICROS OZONE BANDS, NITH CONSIDERATION OF THEIR FINE STRUCTURE.
Bull. Acad. Sci. 0S5R, Phys. Atmos. Cceans (English translation
from Russian of: Izv. Akad. Nauk SSSR, Fiz. Atmcsfery i Okeana),
5 (9): 5H>-520, Sept. 1969. 17 refs. (Presented at the VII All-
Union Conference on Actincmetry and Atmospheric Optics, flay 27-31,
1968 and at the Fifth International Symposium on Radiation,
Aug. 22-30, 1968.)
The complex character of the oscillatory-rotational spectrum of
the ozone molecule is a scurce of difficulty in attempts to
obtain the radiation transmission function from band models. Of
the models allowing for the fine structure of ozone bands, the
familiar quasistatistical model which occupies a position
midway between conventional and direct methods of calculating
transmission functions is complicated tc sue. Moreover, it does
not give the analytical relationship of the function to the
parameters on which it depends. A modified statistical method Is
suggested which takes into account the real distribution of
1330
PHOTOCHEMICAL OXIDANTS AMD AIR POLLUTION
-------
spectral line intensity. The intensity and position of the
rotational lines in the 4.7 Micron ozone band are calculated,
the transmission function is determined, and its constituent
parameters permitting the calculation of radiation transmission
for the reciprocal cm intervals of the 9.6 and 4.7 wicron ozone
bands are given. The theoretical calculations are in satisfactory
agreement with available experimental results. (Author
abstract modified)
17302
Dahlberg, Jan Anders
THE NOS-SBHSITIZED FHOTO-OXIDATICN 01 TBICHLOHOETHYLENE 3S AID.
Acta Chem. Scand., 23 {9):3081~3090, 1969. 15 refs.
The nonsensitized photooxidaticn cf trichloroethylene was
kinetically investigated. The results can be interpreted in terns
of a chain reaction which is probably Initiated by a reaction
between an excited trichloroethylene molecule and another
trichloroethylene molecule in the ground state. The chain reaction
yields mainly dichloroacetyl chloride, the maximum quantum yield
of which is found to be about 20 at high partial pressures of
trichloroethylene and oxygen. The quantum yield of phosgene is
about one-fifth that of dichloroacetyl chloride. (Author abstract
modified)
17330
Lesnikowitsch, A. I., J. Scheve, and X. Ebert
SEHICOHDOCTION AND CATALYSIS. VI; S02-0XIDATIQS ON CB203-ZB02
OXIDE HIITUBES WITH SPECIAL COHSIDEBATIOM OF THE HIGHEH DEGBEES
01 OXXDATIOH Of CBB0MI0H. (Ilalbleitung und Katalyse. VI: S02-
Oxydatioa an Cr203-Zr02-Nischoxiden unter besonderer
Beruecksichtigung hoeherer Oxydaticnsstufen des Chrocs). Text
in German. Z. Anorg. Allgem. Chem** vol. 370:40-48, 1969. 12
refs.
The catalytic properties of 10 samples of chromic oxide and
zirconium oxide mixtures with 0.0 to 16.4 mole % Cr2Q3 were
determined using the process of oxidation of sulfur dioxide to
sulfur trioxide at 450 C in a gas mixture containing initially
7 volume X 502 as a catalytic test reaction. Of the test data,
only those relating to degrees cf conversion up to 20* were
used to compute for each sample the reaction rate constants k',
in cm/hr, and the apparent activation energy of the reaction, AE,
in kcal/mole, characterizing its catalytic activity. Both
guantities are plotted as functions of the mixture composition.
The electric conductivity of the 10 samples were measured using
a method described in the paper. The measured values were used
to determine the activation energy of electric conductivity,
E (sigma) in et, which gives an energy value for the charge carriers
characterizing the interaction of the electrons with the absorbed
gas molecules and is plotted as a function of the mixture
M. Basic Science and Technology
1331
-------
composition. The apparent activation energy, AE was found to be
related linearly on the relative intensity of the electron spin
resonance, but differently, depending on the presence or absence
of free Cr203 in the mixture. The catalytic and electronic
properties of Cr203 + Zr02 mixtures were most directly related to,
respectively, the Cr (5+) ion concentration and the ratio Cr(5+)/
Cr(3+). Jhe catalytic activity may be explained by an electron-
collision mechanism, while the lowering of the apparent activation
energy of electric conductivity may be reviewed as due to a charge-
exchange (•hopping-exchange*) between Cr (5+) and Cr (3+) ions.
17346
Kortuem, 6. and H. Quabeck
STUDIES OF THE REACTIONS OF GASEOUS NO AND NOCL WITH UETAI OXIDE
SUBFACES WITH THE AID OF IF-BEFLECTANCE SPECTROSCOPY. I. (IR-
reflexionsspektroskopische Untersuchungen der Vechselwirkungen
von gasfoermigem NO und N0C1 lit Betalloxidoberflaechen. I).
Text in German. Bet. Bunsenges. Fhysik. Chen., 73 (10}:1020-1027,
196S. 36 refs.
By use of reflectance spectroscopy in the near infrared, the
reactions of gaseous HO and NOC1 with the surfaces of pulverized
silica gel, A1203, 5102-A1203, HgC, and CaO were studied. Because
of its electron-donor-acceptor qualities, NO was a useful
adsorbent to determine the surface conditions of the oxides.
Knowledge of the adsorbate spectra NO + oxide helps to interpret
the spectra of the NOC1 adsorbed on the surface of the metal
oxides. In part I, the adsorption of NO is discussed. The NO
was obtained by dropping sulfuric acid into sodium nitrite which
was covered with water. It was washed with 4N KOH solution and
dried over E205. Bands of medium intensity were observed at about
2250/cm. It was assumed that with silica gel, A1203, and
5i0 2-Al20 3, the bands formed by interaction of NO with strained
oxygen bridges the surfaces at which process He (metal)-0 (-> and
Me...N(triple band)0+ developed. For cubic MgO and CaO, however,
the mentioned bands could be related to an interaction with He (2+)
0(2-)-groups of the surface. Additional bands were found with
A12o3 and Sio2-A1203 at longer wavelengths which indicates bonding
of NO to a Lewis-acidic Al atom of the surface.
17370
Hoxon, J. F.
OPTICAL EMISSION FR0H 0(10) AND 02(b1 SIGMA G) IN ULTRAVIOLET
PHOTOLYSIS OF 02 AND C02. J. Che*. Phys., 52 (4) ; 1852-1873, Feb.
1970. 24 refs.
The presence of 0(1D) was detected by 6300 A emission in
ultraviolet photolysis of 02 and CQ2. The uv source was a xenon
discharge lamp at several hundred torr pressure which emitted a
continuum down to 1470 A. The light intensity of the lamp was
1332
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
measured with a thermopile. The output of the reaction was
detected by a 9558 A photciultiplier. Quenching rates for 0(1D)
and 02(1 sigma g) vere measured for 02, N2, C02, and CO.
Quenching of 0 (1D) by 02 yields 02(1 signa g) with nearly unit
probability. The quenching rates ccapared Hell with those deduced
from day airglow emission from the upper atmosphere; however a
much smaller quenching rate by C02 on 0(10) was found than that by
earlier workers who used less direct methods. Photolysis of 02-C0
mixtures lead to optical emission which exhibited a pronounced
periodic variations in time. The quenching coefficients for 02,
N2, C02 and CO, in order, were as follows (ccm/sec): for 0 (ID)# K1
equals 6 times 10 to the minus 11th power; k2 equals 9 times 10 to
the minus 11th power; k3 equals 3 times 10 to the minus 12th
power; k
-------
HYDECCABEONS. Environ. Sci. Tcchnol., 3 (S):469-U72, Hay 1969.
19 refs.
The oxidation of nitric oxide has been investigated in the presence
of 2,3-dimethyl-2-butene, 1-butene, 1,3,5-trimethylbenzene, and
n-butane. nitrogen dioxide dosage curves are shown as a function
of HD/NOx ratios with ROx kept constant. The N02 dosage increases
very quickly with increasing concentrations of 2,3-dinethyl-2-
butene and 1,3,5-trimethylbenzene. Greater concentrations of
1-butene and n-butane are required to obtain similar increases in
802 dosage. Oxidant was observed only after Maximum dosage had
been achieved. So oxidant was observed for the n-butane-KOx
system under the conditions employed in this study. Neither the
rate of oxidation of nitric oxide nor the rate of reaction of
the hydrocarbon increased when water vapor was increased from 1.1
to 11 ma. (Author's Abstract)
1Q025
Pitts, J. N., Jr., thsan I). Khan, £. Brian Smith, and
Hichard p. Wayne
SINGLET OXYGEN ID THE ENVIBONHENTAL SCIENCES. SINGLET MOLECULAR
OXYGEN AND PHOTOCHEMICAL AIR POLLUTION. Environ. Sci. Technol.,
3 (3):211-247, narch 1969. 70 refs.
Singlet Molecular oxygen may play a significant role as an oxidant
in photochemical air pollution. Beaction of electronically excited
oxygen with olefinic substances produces thernally unstable
hydroperoxides which may be involved in the rapid conversion of
MO into N02, a process not well understood in photochemical air
pollution. Several mechanisms fee the formation of singlet
molecular oxygen are examined critically in relation to their
possible importance in the chemistry of urban atmospheres. In
each, the excitation energy is derived ultimately from the sun's
radiation, but the energy may be utilized by direct absorption
of radiation by ground state atomic oxygen, by photolysis of an
atmospheric contaminant to form excited singlet molecular oxygen
in the primary step, by spin-ccnserved energy transfer mechanism
in which an atmospheric contaminant absorbs solar radiation and
transfers its excitation tc ground state atomic oxygen, or by
exothermic chemical reactions involving atmospheric
contaminants which themselves originated in a photochemical
process. (Author's Abstract)
1334
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
N. SOCIAL ASPECTS
01C69
W.S„ Smith, J„J„ SchueBeoan, I.,D« Zeidberg
PUBLIC REACTION TO AIR POLLUTION IN NASHVILLE, TENNESSEE. J„
Air Pollution Control Assoc. Vol.. 14 (10):418-423, Oct. 1964.
(Presented at the Annual fleeting American Industrial
Hygiene Association* Cincinnati, Ohio, Hay 5-10, 1963.)
Extensive air pollution studies have been completed in
Nashville. One part of the study involved collection
of opinions from nearly 3000 people. Opinions were
solicited relative to awareness and concern about possible adverse
effects of air pollution cn health, property, materials, and
aesthetics. Responses of the interviewed people are related
to several types of pollutant Measurements. The results indicate
widespread concern about air pollution, and the degree of concern
is, in general, closely related to the degree of air
contamination experienced by interviewed people. Hethodology is
discussed, data are analyzed statistically* and conclusions are
presented. (Author abstract)I#
04058
B. Laveridge
AIS POLLUTION AND THE PUBLIC Will. Preprint. 1967.
The public attitude towards air pollution as revealed by
interviews with 43 people conducted in San Bernardino#
California in Hay of 1966 is discussed. It is believed that
although the respondents aay have been occasionally bothered by air
pollution, they consider snog sore or less as a fact of life in
Southern California,. The rather apathetic attitude is
attributed to the fact that the seriousness and complexities of the
problens involved in air pollution are not well understood and to
the lack of political involvement in air pollution problems.##
06945
B.. D.» Van Arsdol, Jr.
SOCIAL ORGANIZATION ADD AIR POIIUTION,. Preprint. (Presented
at the 60th Annual fleeting. Air Pollution Control
Association, Cleveland, Ohio, June 12-16, 1967. Paper No.€7-79.)
1335
-------
This paper summarizes a recent study of relations of air pollution
to the Los Angeles netrofolitan ecological system. Mr
pollution and other environmental hazards are ubiquitous in Los
Angeles and Orange Counties. They are generated by the
technologies and social organization used to convert land to urban
uses and by increasing intensities of metropolitan site
utilization- Los Angeles populations are now redistributing away
from affecting air pollution sites as a coneeguence of normal
metropolitan growth processes. Angelenos, however, perceive
hazards, apparently to the extent that their pre-established
attitudes coincide with environmental conditions* Hazard
perception is related to education, and to experiences within an
urban context where hazards can be expected to be present.
Metropolitan populations lack knowledge concerning how tc deal
with hazards, but individual action may be taken by moving away
from air pollution affected sites. Air pollution may possibly
make for dislocation in neighborhood development, and could
eventually lead to underutilization of certain metropolitan
segments by hazard perceiving populations. (Author*s abstract)##
11813
Ccoley, Nino, Bonnie Sun, and Robert Bintz
THE ROLE OF THE PBBLIC IS THE CCKTBCL OF Alft POLLUTION. PAHT I.
In: Air Pollution Project: An Educational Experiment in Self-
Directed Research, Summer 1S6fi. Associated Students of the
California Inst, of Tech., Pasadena, p. 177-1911, 1968. 5 refs.
The role of citizens' groups and individual citizens in promoting
air pollution control legislation in California is discussed.
Despite the committments these people have made no air pollution
control, their efforts are seen as ineffective. This is
attributed to the lack of inter-group comaunication or
organization, to duplication of efforts, and to the failure of
various groups to overcome public apathy to the snog problem.
Suggestions are offered for cccrdinating the activities of
antisacg groups, making effective use of group influence, and
informing the public of the necessity for control programs.
1336
-------
AUTHOR INDEX
Abe, M. *14079-F
*OS428-J
Abe, S, 04212-B
Abel, N. *07655-D
*14817-D
Accomazzo, M. A.
05250-E 08207-E
*01241-M
Adams, D. F. 00126-D
•00942-D *01784-D
*06050-1) 13039-D
03549-G
Adams, G. E. *16097~M
Addicott, D. J,
*OOS69-E
Addison, W. E. *13392-M
135S8-M
Adrussow, L. "13223-M
Agneray, L. *14448-E
Agnese, G. 04054-F
Ahlpuist, N. C,
*07506-D
Ahsan, U. K. 1802S-M
Aigina, E, P,
*11498-D
Ajax, R. L. *00115-H
Aker, J. E, 05048-E
Akimova, T. G. 17347-D
Akira, S. *16539-B
Albright, L, F.
08700-M
Albright, R. L. *16907-F
Aldaz, L. 14831-D
*09268-J
Alkire, G. J. *08067-J
Alien, E. R. *00139-C
*00608-M
Alley, F. C. *01264-C
01304-D *01579-M
*07806-M
Alpaugh, E. L. *16916-F
Altman, A. 01728-F
Altraan, P. L. *09764-M
Altshuller,
*00302-C
*007S7-C
*00921-C
*01828-C
02352-C
*02777-C
*03858-C
*11230-C
*14019-C
*00610-D
*02098-D
•02158-D
•02162-D
*03680-D
*05915-D
*12362-D
*01402-F
•00001-M
•01075-M
*03682-M
*12320-M
A. P. *00109-B
*00465-C
00773-C
*01718-C
*01984-C
02359-C
*03058-C
*0S533-C
*11635-C
*00108-D
*01979-D
*02157-D
•02159-D
*03679-D
•03727-D
*12136-D
*00622-F
00961-G
00034-M
*01978-M
*08845-M
18019-M
Altvator, W. 07693-C
Alvarez, A. 11043-D
Alycheva, I. S. 10928-F
Amanat, M. 08897-F
14065-F 11682-F
11679-F
Amdur, M. O. *05534-F
Ameen, J. S, 03406-J
Amtcwer, R. E. 02845-D
Aribar, M. *13446-F
Andersen, H, C, *15271-E
Andersen, L. B, *14902-E
Anderson, D. O. *Q8511-F
*05652«J
Anderson, H. C. *06844-E
Anderson, R. J. *00007-F
Andersen, W. E. *10663-D
Andoh, B. *05430-E
Andrews, H. L. 07099-F
Andreeshcheva, N. G.
*11476-D
Andreyev, B. G.
*16458-C
Andriese, P, C,
01957-F 1S383-F
Angell, J, K.
*O0374-C *08625'C
Angstrom, A. K.
09306-C
Antanini, E. *15281-M
*15808-M
Antoshechkin, A, G.
*06889-D
Appel, B. R, 15634-D
Applebaun, D. *13540-M
Applegate, H. G,
"12944-G
1337
-------
Armstrong, A, A.
*04454-M
Amest, R, T. *00081-B
Arnold, G. *00136-J
Arnold, J. S. *01102-M
Arnold, tf. N, *03573-G
05778-G
Arrington, C, A.
*00161-M
Arthur, W. *04866-C
Artamonov, E, V.
09437-M
Asce, M. 08301-J
Ashe, W. F. *00041-J
Ashley, R. W. 1175S-D
Ashmore, P. G. *13341-M
Asinger, F. *16605-M
Askar'yan, G. A.
*162S8-M
Atkisscn, A. A., Jr.
*05867-E
Atroshcheriko, V, X.
*13689»E *1549S-M
Atwood, J. G, *02503-M
Auge, R. G. 06352-D
Ausloos, P. *00629-C
00031-M 01233-M
*01833-M 01888-M
03484-M *03551-M
03SS9-H 044S6-M
Austin, H. C. *13394-E
Austin, J. D. 03179-M
Austin, L. G, *07979-B
Avery, H. E. *00357-M
Aviado, D. M, *10416-F
Ayen, R. J. *13530-M
*00053-M
B
Baibcock, G. 17023-D
Babett, J. A, 16907-F
Bachman, C, H, *00124-0
00123-F *01737-F
01738-F 02163-F
Back, K. C. *03821-F
Back, R. A. 05226-M
Baddour, R, F, *17389-M
Badre, R. 16302-F
Baiamonte, V. D.
*02504-M
Bailey, A. D. *01114-0
Bailey, P. S. *08705-M
Bair, E. J. 1S470-M
Baker, R. A. *04618-E
Balarew, C. 13916-M
Balchum, 0. S. *00303-F
00660-F 00668-F
01850-F *01893-F
02277-F 03257-F
03258-F 04317-F
Ball, K. E. *06279-D
08674-D
Ballard, If. W. *12644-C
Bailed, A. P. *11770-M
Bamesberger, W. L.
*13039-D
Bandyqpadhyay, P. K.
13087-D
Rarchas, M, 00092-D
Barck, H, 13930-M
Barker, M, E. *13579-M
Barlage, W. B., Jr.
*01304-0
Barlte, R. 12887-11
Bamhart, D. H. *05857-£
Barrer, R. M. 13392-M
*13558-M
Barrett, C, R. 01306-B
Barringer, A. R. *04881-D
*05191-n *09623-D
Harrington, A. E. *02406-D
Basbagill, W, J. 02745-D
*02317-J *01829-J
Bassleer, R. *10790-F
Bates, D, V. *00480-F
Battigelli, M. C. *00650-F
*02266-F *06048-F
*06640-F
Battista, S. P. 08021-F
Baulch, D. M. *00748-C
02363-D
Barn, E. J. *00916-M
*00917-M
Bay, J. 11614-F
Bazhenov, V. A. *01758-C
15729-C
Bear, D. L. 15650-E
Beard, J, T, *10658-D
Beattie, I. R. *13448-M
Beck, W. J. 03434-J
Becker, H. G. *16036-M
Beckett, J, C. 06265-E
Beckman, E. W. *00154-E
Begeman, C. R. *03795-D
11028-J
Beiser, A. 04866-C
Belanger, W. E. *15747-F
Bell, F. A., Jr. *01989-D
•01770-J *02431-J
•03433-J *03434-J
•05095-J
1338
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Bell, G. B. *00070-C
*05196-J
Bell, K. D. 04467-D
Bell, S. W. 13448-M
Bellar, T. A. 02157-D
09598-J
Bellet, E. M, "08323-D
BeIon, A. *04223-D
Belser, W. L. 16780-F
Bender, D. F. *03690-D
Bender, F. W. 17227-G
Benforado, D. M,
•07921-E
Benline, A* J. *00169-K
Bennett, R. R. 1S210-D
Berwick, J. 04475-M
Benson, C. S, *00834-C
Benson, D, 1S490-F
Benson, F. B. 01807-D
Benson, J. D. M4034-E
Benson, S. W. 00128-M
01680-M 01880-M
01881-M *0S423-M
•07458-M *07791-M
*11864-M
Bent, F. A. *1355Q-E
Bergbauer, D. M,
06320-M
Berg©, H. *01567-K
Berger, A. W. *U624-C
Berindan, C. *1S605-K
Berl, E. 10907-M
Berlad, A. L. *02869-C
Bemitt, D. L. 03493-M
Bersis, D. *02188-D
Bercy, C. R. *03531-G
*05560-G
Bethell, K. D. *13932-D
Betz, E. C. *05309-E
Bhattacharyya, P. K.
16530-M
Biersteker, K. *01257-J
*11414-L *12030-L
Billard, F, 10737-C
*1308S-M
Billings, C. E. 11624-C
•07552-E
Bils, R. F. 00665-F
*04416-F *G6367-F
*06600-F 08424-F
*09994-F *10685-F
Bisel, G., Jr. 03433-J
Bishop, N. I. 13327-H
Bitter, H. L. 08668-F
Black, C. C. *00232-G
Black, G. 15253-M
1S272-M 15785-M
1S790-M
Blair, W. H. *16707-F
Blakeney, B. C, *03438-B
Blattner, W. 11S97-C
11599-C
Blokh, I. 0. 1405S-M
Blcmmer, B. J, 0133S-F
07847-F 15579-F
Blomquist, E, T.
*01007-L
Bloomfield, B. D.
*10017-B
Blum, H. F. *0S924-F
Blunenthal, J, L.
03798-E
Bobrov, R. A. *03695-G
*03697-G *03698-G
*03700-G *04999-G
Bockian, A. H, *15308-C
Boddy, J. H. *02635-B
Bodenstein, M. *10911-M
*I0912-M *10913-M
*13968-M
Boettner, E. A. *08294-D
Bohra, K. G. *03650-C
Boiteau, H. L. *07814-D
Bojkov, R. D. *039S3-C
*07976-C
Bokhoven, C. *01432-D
Boldue, M. J. *03965-D
*03966-D
Bcnamassa, F, 00324-B
*03401-B 15308-C
Bonavida, B. 13846-F
Bonner, B. H. *D6473-M
Baaievie, P. *07598-F
Booras, S. G* *06369-1)
Borden, T. R., Jr. 04292-C
Boren, H. G. *02617-F
*08570-F
Boreskov, G. K. 1S667-M
*16461-M
Borisov, A. A, *118S8-M
Borisov, A. V, *05034-C
Borisova, M. K. *08151-F
Borne, T. B. 14293-M
Bomstein, R. D. *11713-C
Borrell, P. *09080-M
Bortner, M. H. *04429-M
Boiiel, R. W. 09311-C
*10649-E *03107-M
Author Index
1339
-------
Bourquin, K, R. *0960l-C
Bomrille, A. *04636-E
Bowman, C. T. 13931-M
Bowmer, H. J. 07390-J
Bozarth, R. F, 00627-D
Brabets, R. F. *06169-J
Bracewell, J. M. *09426-0
Bradley, C. E. 04992-M
Bradley, D. W. 00214-D
03537-D
Brandli, H. W. 00102-C
02832-J
Brandt, C. S. 00242-C
•03472-G
Brant, J, W. A. *00989-F
*01019-F
Brar, S. S. *11775-J
Braun, B. 00444-C
0045S-C 00417-M
Braverman, M. M, *07712-J
Breidenbach, A. W.
03690-D
Breiland, J. G. *16764-C
Brennan, E» G. 09549*C
01666-G 03092-G
*03585-G 06557-G
12155-G 14968-G
16311-G *16704-G
Brennen, W, 00161-M
Breslow, L. 03606-F
BTeuer, W. *02066-B
*07180~D *11819-D
*14076-D
Brewer, A. W,
*10958-B 01331-D
Brewer, L. W. (Ed)
09333-D
Brewer, R, F. *05666-G
Brlcard, J, *10737-C
13085-M
Brice, R« M. *01830-J
Brightman, 1. J, *00046-F
Brinckerhoff, G. D.
*00364-F
Briner, E. *0S628-M
*14620-M
Brink, D. L. *083S4-D
Briskman, R. N, *08720-D
Britayev, A. S, "04159-C
*04151-0
Britr, tf. E. *09937-
Brock, F. V. 03382-C
Brock, J, R. 04677-C
08623-M
Brocke, W. *16504-K
Brockhaus, A. 07174-F
Brodovich, A. 1. 16157-E
Brodovicz, B. A. *08420-L
Brown, J. M. *03004-J
Brown, K. M. *03474-D
Brown, L. C. *00822-D
Brown, L. R. *16360-G
Brown, N. 04223-D
Browne, R. J. 01102-M
Brubacher, M. L. *10135-B
00155-D
Bruce, R. 10683-C
Bruchhausen, D, *17072-F
Bruielle, M. F. 04579-D
*0187S-M
Brunt, M. 14448-E
Brunol, D. 00033-F
00779-F
Brunori, M. 15808-M
Bryan, R. J. 01266-D
0S901-F *06099
Buchachenko, A. L.
13671-M
Buchberg, H,
*00177-C 06599-D
Buck, M. *03772-D
04018-D *08256-D
Buckley, R. D, *00660-F
00668-F 01893-F
*03257-F *03258-F
*11297-F *13852-F
Budinger, F. E., Jr.
0463S-D 05116-F
Budzlnski, K.
07264-C
Buell, G. C. *00339-F
*00659-F *00854-F
*03269-F
Bufallni, J. J, 00757-C
*0D773-C *01244-C
023S2-C 07441-D
*10489-D *00034-M
*00939-M 12419-M
*18019-M
Buff, H. *16218-M
Buisson, H. 10787-C
Bullrich, K. *11597-C
*11599-C *11714-C
*16390-C *16392-C
•16683-C 15000-M
16391-M
Bunkin, F. V. *14909-M
Burak, I, *011Q6-C
Burchardt, T. 13948-M
Burckle, J, 0. *09026-B
Burgess, J, R, 00S6S-M
Burgess, S. G. *03708-F
1340
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Burke, J, 11603-B
Burke, R. S. 02431-J
Burkart, J. K. 00142-D
Burleson, F. R. 01076-B
01208-D 00184-G
*03292-G 16843-J
00238-M
Burough, I. G. *16516-1)
Burton, G. 00499-F
03151-F
Busch, K. A. 01168-F
Bush, A. *11603-B
Bush, A. F. *03265-B
*00087-G 08301-J
Bush, K. 00728-D
Bush, 0. B., Jr. *02437-F
Bushtuveva, K. A. *08197-C
Bylov, V. D. "13707-E
c
Cadle, R. D. 00139-C
*03064-C 04988-C
*03968-M *09078-M
Caldwell, R. G.
02440-E
Call, R. W. *06507-D
Campau, R. M. *00160-D
Campbell, F. J,
14826-G 1S492-G
Campbell, K. I,
*04852-F *08334-F
10490-F "11535-F
*12160-F
Calvert, J. G. 01649-C
0S821-C 0I648-M
01961-M 03624-M
05099-M 11243-M
11248-M
Cann, G. R. *03S84-B
•06503-C
Cantwell, A. M.
*16488-M
Cardiff, E. A. 03094-G
Caretto, L. S.
14924-B
Carey, G. C. R.
*05913-F
Carleton, N. P.
*01146-C *06477-M
Carnes, R. A.
01922-D 0S136-D
Carpenter, R. D.
18031-F
Carpenter, R. 0.
*12437-D
Carson, S, *12402-F
Carter, C. 0. 1157S-F
Case, C. D. *156S0-E
Cashmore, P. 09080-M
Cassano, A. E. *15986-M
Cassell, E, J, 00681-F
01369-F 02742-F
*11346-F *16742-F
Castellano, E. *14815-M
Catcott, E. J. *03394-F
Caudle, P. G,.*13S59-M
Csvalli, R« D. 00428-F
Cave, G. C. B. *08357-D
Chadwick, W. L. 13394-E
Chaikin, S. 16616-D
Chamberlain, A. C.
*Q8744-C
Chanters, F. S,, Jr.
"13561-M
Chanters, J. C, 07448-J
Chambers, L. A. *0S801-C
*06534*E 104S6-F
Chandler, T. J. *11516-C
Chaney, A. I. *03863-J
Chapman, R. L. 05617-D
*08681-D *09111-D
*10960-D
Chappuis, J. 10910-M
Charlson, R. J. 05810-C
*16131-C 07506-D
11622-D
Chass, R. L. 0S864-B
0978S-B 03010-D
04S99-E *07519-K
*11074-K
Chatterjee, A. K.
*10422-M
Chayanova, E, A.
*14886-M
ChemodanovH, L. S.
*08133-D
Chen, C. *14493-F
Chen, E. 00119-M
Chermack, E. A. (Ed.)
10078-M
Chemiack, I. *01266-D
Chertkov, B. A.
*13898-M *16379-M
Chevalier, C. E,
*09969-D
Chia, W. S. 10037-M
Chien, J. C. W,
*01747-M
Childers, E. *13538-E
Chiles. W. D.
*04031-F
Chipman, J. C.
07623-B *11237-D
Chironis, N. P.
*05312-B
Choffel, C, *07347-F
Author Index
1341
-------
Cholak, J. *03701-J
*03714-J *03715-J
*05U1-J
Chovin, P. *17357-B
*16684-J
Chrisman, K. F. *02354-D
Christian, J. G. *03969-M
Christian, L. 0. *08717-M
Church, P. E. *04991-C
Ciborowski, J. *07495-M
Cieplinski, H. W. *05837-D
Ciocco, A. *Q0392-F
Clarenburg, L. A. 10297-D
Clark, H. F. *05836-D
Clark, W. E. 00860-D
Clarke, G, L. 04852-F
08334-F
Clarke, J. F. *00149-J
Classon, W. A. *17387-C
Cleary, G. J. «08633-B
*16736-K
Clemens, C. A. 02159-D
Cleveland, J. M. 04031-F
Clifton, D. G. *02508-M
Clingenpeel, J. M. 01169-D
Clougi, P. N. *134S2-M
Clough, S. A, *00371-M
*03149-M
Cobb, W. E. *11834-0
Cock, W, H. *12649-J
Coenen, W. *10816-D
Coffin, D. L. *01335-F
*05538-F *07847-F
*15579-F
Coffman, Q. H.
*08553-B
Cohen, A, 03234-D
09200-M
Cohen, I. R, 00921-C
01984-C 02777-C
*02732-D 02760-D
03679-D *07441-D
01981-J 00001-M
01026-M 01978-M
04404-M 05333-M
Cohen, N. *04277-M
07717-M
Cohen, S. G. "02817-M
•07866-M
Cohn, J, G. E,
*13SS4-E
Cole, A. F. W.
*00696-G
Cole, R. *05351~M
Coleman, A. 1.
01650-C
Coleman, P. D.
*11108-M
Collier, E. I.
*07172-E
Collier, S. S.
07512-M 11245-M
11249-M *16307-M
Collis, R. T. H.
•02268-C *01188-D
Colucci, J. M. 03795-D
*11028-J
Cominelli, A. *07690-B
Ccmnins, B. T. 04487-A
*09429-C 07938-D
*04651-J
Corrmcner, B, *16878-A
Compton, D. M. J,
06480-C
Cornstock, E. G, *05352-D
Comtat, M. *1S755-M
17211-M
Conlee, C. J. 00115-H
Connell, G. F, 06688-E
Conner, W. D. *00620-0
Connolly, T. J. *05970-B
Constautinescu, M,
*14801»E
Contner, G. L. 00473-F
Cook, E. B. 04653-M
Cook, N. A. 11109-B
Cook, W. A. 10772-D
Cookson, R, C. *03S22-M
Cooley, N. *11813-M
Cooper, H. B. H. 05606-D
Cooper, 3. C. *08345-E
Cooper,; W. C. *06053-F
Cope, W. C. (Chairman)
*03454-K
Copley, C. M., Jr.
*00644-J
Coppolino, J. B. 12166-G
Corcoran, W. H. 04696-D
Com, M. 00027-B
*08724-D *0Q499-F
*03151-F
Cosby, W. T. *15122-M
Costonis, A. C. *16354-G
Coughanowr, D. R,
*04626-M
Coulehan, B. A, 17380-1)
Coulsan, A, C, 14325-E
Coulson, D. M. 00855-D
Ctwdiey, C. R. 14081-M
1342
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Cowell, G. W. 12666-D
08829-M *10519-M
Crafts, A. S. 03616-G
Cramarossa, F. *01878-M
07499-M
Crane, S. C. 11S6S-F
15215-F 14377-G
Cravitt, S. *01192-D
Craxford, S. R. *09577-J
Crecelius, H. J. 14837-D
Crider, W. L. *00381-D
•02168-D *05314-D
12160-F
Croom, B. H. "03446-M
Crosby, H. J. 13564-M
Crosley, D. R. *15045-M
Crouse, W. R. *00337-B
Cruickshank, F. R. 05425-M
Crurarine, D. 00353-M
Cucchiara, 0, *04405-D
Cucu, M. 17096-J
Cuffe, S, T. 03113-B
Cullis, C. F. *09755-M
Cullunfcine, H. *03593-F
Cummins, R. L. *03255-B
01802-D
Cumiff, F. T. 08345-E
Curcio, J. A. *00089-C
Cvetanovic, R. J. 003S7-M
022S8-M 04286-M 09079-M
Cymerman, A. 15794-F
Cyrankiewicz, J. *09137-K
D
Dagnall, R, M. *08835~D
Dahlberg, J. A. *17302-M
Dahle, E. W., Jr. 02825-J
•06960-J
Dailye, W. V. 07540-D
Daines, R. H. *01800-G
*05420-G *14968-G
*16357-G
Dalhaim, T. *00189-F
Dallas, J. L. 02317-J
Damilano, S. *09404-J
Danckwerts, P, V. *09186-M
D'Angio, C, J. 04546-J
Daniels, F. *13746-E
13574-M
Darge, I. 11965-M
Darley, E. F. *01076-B
10649-B 00237-D
*05680-F *03595-G
*03596-G 03612-G
03618-G *05342-G
*05344-G *05723-G
05724-G
Darrieus, G. 10388-B
Das, P. K. *02247-F
Dass, H. C. *15286-G
Datsenko, I, I.
*10928-F
Darwent, B. de B.
09749-M
Dave, J. V. *06043-C
*12077-C *08049-D
Davidson, J. T.
00338-F 06745-F
*06746-F
Davies, R. A. "03986-M
Davis, F. H. *07857-D
Davis, H, V. 00994-F
Davis, T. C. 01382-B
Davtyan, 0, K, 13375-M
*13936-M *13939-M
Davydov, S. A. 08161-J
DeBary, E. *00444-C
*004S5-C *00417-M
Decius, J. C. *15833-M
DeCorso, S. M. *08267-J
DeGraaf, H. 01257-J
DeGrazio, R, P. *06352-D
Dekoiing, H. W. *10978-G
*12047-G
Deleanu, M. C. *08276-F
DeLorenzo, E. J. 01889-M
DeLuisi, J. J. *18054-C
Del Vecchio, V. *03202-B
Demidov, A, V, *02439-D
07150-D
Denbigh, K. G. 135S9-M
Denisov, A. M. 04634-E
Db Nour, B. 02122-F
Denovan, A. S. *11755-D
Dethier, B. E. *1096S-G
deTreville, R. T. P.
08423-F
Detrie, J. P, *00453-C
Detry, D. *14104-M
Deutsch, S. *09108-D
Devitofrancesco, G.
09430-C
Dev Jain, K. 17010-M
Devlin, J. P. 04580-M
05286-M 05289-M
Devoridn, H. 03010-D
Dewolf, M. Y. 05246-M
Author Indsx
1343
-------
Dickinson, J. *09785-B
Dickinson, J. E. 01504-C
*04616-J 01875-M
Diehl, E. K. *01362-B
05857-E
Diggle, W. M. *03603-F
Dilie, R. M. 04668-M
Dillane, J. B. 00472-F
Dimitriades, B. *07838-D
10242-D 17339-E
06698-M 10129-M
11771-M
Dimitriades, G. *04857-D
Dishart, K. T. *11835-B
Dittmer, S, 09764-M
Dixon, J. R. *04048-F
Dmitriev, M. T. *05683-C
•04241-D *07478-J
Dnitriyev, M. T. *06 86 7-E
*14634-L
Dobrogorski, 0. J.
03082-F 03530-F
03620-F 04498-F
Dobson, G. M. B,
*03717-C
Dochinger, L. S,
17227-G
Dodd, A. E, *12392-E
Dodd, N. J. F. *16096-G
Dodonova, N. Ya,
*15536»M
Doepker, R, D.
*04456-M *09267-M
Doerr, R. C. 04618-E
Dohan, C. F. 01609-F
Dolezalek, H. *03342-C
Dolgin, I. H. *04165-C
Doll, R. 01711-D
Donahue, J. L. *07557-E
Donahue, T. M. *04S27-C
Dom, W. M. *08554-K
Dorsey, J, A. 09026-B
Dorthe, G. 157S6-M
Dost, F. N. *16617-G
Doughty, R. V. *04044-D
Douglas, A. E. *150S4-M
Down, P. 00511-F
Downer, T. M., Jr. 02874-D
Downing, G. *07877-K
Downs, A. R. *12171-M
Doyle, G. J. *07178-B
*01587-C 05797-D
15354-D 02440-E
*00084-F *01463-F
01603-F 03883-F
05849-M 06102-M
07108-M
Dozois, C. L. 01384-B
Drapkin, R. 1181S-I
Drexler, M. *00092-D
Drinker, P. "01773-F
Drcwart, J. 14104-M
Drozdova, V. M. 09438-C
10724-C
Drvmroeter, L, F., Jt.
00089-C
Drummond, A. J. *Q2285-C
*09306-C *03719-D
Drunrond, D, B, 06447-G
Dryden, I. G, C. 13494-A
Duardo, J. A, *15234-D
DuBois, A. L. 07435-D
DuBois, L. *08643-D
*08644-D *08889-D
IXice, R. A. 0365 7-C
Duckworth, S. 03100-D
*02370-J
Duff, G. M. 09369-D
Duffee, R. A. 04040-D
Dugger, W. M., Jr.
*00655-G "0Q9SQ-G
01905-G 02209-G
*02916-G 03S96-G
*04576-G 04724-G
*05362-G *05774-G
07501-G 10713-G
*12034-G *16950-G
Duncan, B. R. 06717-F
Duncan, R. C. 15545-C
Dunnieliff, H. B.
*13454-M
Dunning, J. A. 00121-G
00413-G 00775-G
03961-G 08843-G
Durant, D. *03066-M
Durau, F. *13684-M
Dyer, A. J. 06916-C
Dzedzichek, V. P.
*07150-D
E
Eads, C. 0. 16360-G
Eastman, E. D. *13009-M
Easton, R. E. *07657-F
Eaton, F. M. 00963-G
Eaten# M. E., Jr.
*02441-0
Eberan-Eberhorst, R.
•15321-E
Ebert, M. 16096-G
1344
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Ecclestan, B. H. 14127-B
17339-B
Edmisten, N, G, 00847-J
Egger, K. W. *00128-M
•01680-M *01880-M
*01881-M
Eglite, M. E. *10623-F
Ehnert, W. 03233-B
*032Q4-E
Ehrlich, R. 00933-F
*01785-F 038S3-F
11306-F *12079-F
Eichmeier, J. 15726-J
*15235-M
Eiden, R. 11714-C 16390-C
16392-C 15000-M 16391-M
Eilers, tl. *11421-K
Eisenthal, K. B. *150S5-M
Eisner, P. N, 02883-D
Ekberg, G. 06280-B
Ekin, J, Jr. 15166-M
Elbert, W. 02095-D
Eldridge, R. G. *08834-C
Elkins, H. B. *06680-F
Ellen, R. P. *17365-B
Ellis, C. F. *00464-B
*06642-D
Ellis, C. tf. 13538-E
Ellison, J. McK.
00886-D
Ellsworth, E. *12338-D
Elterman, L. *00086-C
*06982-C *07000-C
Emel'lanov, I, M,
*01218-F
Emel'yanov, Yu. M.
1S334-D
Emik, L. O. 00281-F
*11307-F 11535-F
00737-G
Enrich, G. 11562-D
Endo, R. *17106-J
Endow, N. 00084-F
01463-F 01591-F
*06102-M
Engdahl, R. B. 01625-D
Engel, C. R. 04029-D
*05319-D
Engelhardt, H. *10518-D
Enhalt, D. H. *06382-C
Epstein, D. *03205-D
Epstein, L. M. *15115-M
Epstein, S. S. *00728-D
*00966-D *01302-0
1S206-F *00663-M
Erisman, D. 0. 04044-D
Ermenco, E. D. *13537-E
Ertl, D. W. *07931-E
Espenson, J. H. *06319-D
Esposito, G. G. *09028-B
Ester, W. 13202-E
Estes, F. L. *00658-F
*01323-F *04650-F
Estes, H. D. 00787-C
07083-J
Estridge, N. K, 13182-A
Ettre, L. S. 05837-D
Evans, D. G. 00S09-F
Evans, M, J. 1068S-F
Ewald, H. *11562-D
Eye, M. 03761-B
Eye, M. G. 05158-D
Eyzat, P. *09715-B
*12588-B *16627-B
*14531-E
F
Fabry, Ch. *10787-C
Fagley, W. S. 00154-B
07629-B
Faingold, S. G. *15723-B
Fairchild, E. J., II
•00501-F *01324-F
Faith, W. D. *09567-C
Faith, W. I. *00233-A
00344-C 05573-J
Falk, II. L. 01030-F
05584-F 08243-F
Falgout, D. A. *06385-D
Faoro, R. B. 00149-J
00698-J
Farmer, J. R. *03449-D
*03866-D
Fatiada, A. J. *06720-M
*0698Q-M *11147-M
*11872
Feder, W. A. *1Q426-G
*14826-G *15492-G
Fedorov, M. M. *07310-C
Feenan, J. J. 03796-E
07607-M
Feist, J. *020S1-E
05309-E
Feldstein, M, *13860-F
03104-J *15336-1
Felraeister, A. *08897-F
*11682-F
Fenimore, C. P. *022B6-M
Fenimore, D. C. 09573-D
Fensterstock, J. C.
*10018-C 05551-J
Author Index
1345
-------
Fergascn, J. L. *04458-D
Ferguson, J. S. *0G196-D
Feriit, E. *05226-M
Femandes, J. H. *00140-B
Ferris, B. G., Jr.
*07162-F
Petting, F. 16207-M
Fidler, A. 07648-D
Field, E. L. I6722-B
Fiero, G.W, *08376-B
Finkner, A. L, *02781-F
Fiocco, G. *08369-D
Fishburne, E. S. *06320-M
Fletcher, J. 0. *14698-C
Flieger, K. 00225-K
Flury, F, *10792-F
Flynn, N. E. 00337-B
Foerster, F, *13948-M
Foitzik, L. *11724-C
Fontan, J. 04636-E
Fontanges, R. 02677-C
Fontijn, A. *07681-M
Foote, C. S. *11533-M
Foote, J* K. 00602-C
*G1026-M
Ford, D. 14992-D
Ford, H. W. 17142-C
Forde, A. V. *00666-J
Forissier, M. 15752-D
Forwerg, W. *14837-D
Fossard, M. *03402-D
Foster, E. G. *13574-M
Foster, K. E. 02354-D
Foster, P. M. *16788-M
Fox, F. L. 11305-D
Francini, M, *17146-M
Frank, N. R. 07162-F
Fraser, D. A, *01455-F
Freebairn, H, T. *05364-F
*05698-G *07610-G
Freedmn, R. W. M7380-D
Freeman, G. L. *Q0919-F
01040-F 02306-F
*02483-F *04205~F
•10970-F *11308-F
*11565-F *12173-F
*14377-F *15215-F
Frenkiel, F. N. *00095-C
*05571-K
Frey, A. H, *07746-P
Friberg, L. *00781-J
Fried, J. *09024-F
Friedlander, S. K.
•15310-B
Friedman, N. 05208-M
Frossard, M. *04900-D
Frostling, II. *01429-D
Fry, J. *00472-F
Fugas, M. *06832-D
*07114-D
Fugglo, R. F. *11521-C
Fuguay, J. J. 05228-C
Fiihrmann, II. *02673-1)
Fukui, K. *02063-D
Fiikui, S. *07364-D
*16555-E
Fukuoka, S. *16554-C
Fukushima, T. *17t)24-D
Fuller, L. J. *11803-B
Furiosi, N. J. 02483-F
FurukfBva, P. M, 06047-C
G
Gage, J. C. 03603-F
Gajzago, L. "11505-C
Galbally, h. *X02R5-C
Gall, D, 09426-C
Gal'tsw, A. P. *17301-M
Gamble, B. L. *11033-13
Ganz, S. N. *1.W>2-E
*14380-M *13685-M
*13688-M
Garter, M. J. 03496-G
03630-G
Gardner, D. F. 05538-F
10492-F *11670-F
16905-F
GaTdneT, M. B. *00639-F
Garet, R. *11815-1
Garibyan, T. A. *13364-M
Garland, B, I. *06388-11
Gartrell, F, B, *00023-B
*03777-C *02921-D
*04200-E
Gasiorcwski, K. *0S477-B
Gast, J, H. 05294-F
Gasteiger, E. L. *03785-F
Gates, C. P.. 05893-B
Gates, D. M. *05577-D
Gavrilova, L. I.
*08446-D
Gay, B. W. *12419-M
1346
PHOTOCHEMICAL OXIDANTS And AIR POLLUTION
-------
Geckler, R. I). 08026-F
11539-F
Gee, S. *08073-D
Gehlen, H. *13407-M
*13633-M
Geissler, G. 17072-F
Geritilizza, M. 06832-I)
Gentry, J. *08623-M
George, J. C. *08557-B
George, R. E. 11803-B
Georgli, H. W. *09398-M
Gerhardt, B. *13273-M
Gerlovin, Y. I. *16038-M
German, A. *10315-D
Gerstle, R, W.
*01583-B *03113-B
*04310-B
Grewitz, H, S. *10917-M
Ghini, G. Q8499-F
Giarrusso, G. A.
09770-D
Gibson, D. E. 10752-F
Gibson, J, A. B.
*15212-J
Giel, B, G. *02357-F
*05037-L
Gies, H, 03772-D
Gilardi, E. F, *06107-D
Gilbert, D. L. *10551-A
Gilbert, N. 03S44-D
Gilbert, N. P. 08868-C
Gilbert, R. *15502-M
Giles, C. H. *02270-H
Gilgen, A. *07821-F
07834-F
Gilkesan, M. M,, Jr.
03463-F
Gill, W. B. 06618-F
Gindi, G, *llfi06-F
Giona, A, R. 15100-E
Girden, B. B. *15249-E
Giuffrida, L« 07749-D
Glasson, W. A, 14119-F
*02838-M *03114-M
Glatter, R. B. 00087-G
03265-G *03696-G
Glick, H. S. 13503-M
Glueck, A. R. *12041-M
Goehring, M. *11965-M
Goetz, A. *06722-A
*05479-B *06235-C
*06632-C *05794-1)
*05796-D *06552-F
*06551-J *01801-M
*01990-M *02412-M
*02904-M *05641-M
*06236-M *10041-M
Gold'berg, M. S.
*11489-F *06885-L
Goldberg, N. N.
04458-D
Golden, C. G.
00297-D 01691-D
Golden, J, 08655-D
Goldfinger, P.
*04228-M
Goldhamer, R. E.
12402-F
Goldsmith, J. R,
•18010-C 00020-F
•00204-F 03519-F
*03606-F *05833-F
*10670-F *01955-L
Goldstein, B. D.
•04317-F *06608-F
*10611-F
Golesworthy, R. C.
*1608S-D
Gol'm, T. S. *041S2-C
Golomb, D. *04461-C
Goncharenko, G. K.
1S495-M
Good, A. *16913-M
Goodwine, J. K. 05599-B
Gordon, R., Jr.
03484-M
Gordon, A. R.
*13489-M
Gordon, J, I. *12626-C
Gordon, R. J. *01027-C
*14180-J
Gordieyeff, V.. A. *03723-F
Goshgarian, B. B. 07451-B
Gottauf, M. *14500-M
Gottlieb, S. F. *15794-F
*16948-F
Gourdine, M. C. 07172-E
Govorushkin, L, A,
*04168-C
Grafe, K. *10937-C
Graham, T, M. 0S792-F
Grahek, F. E. 09078-M
Granda, R. E. *00100-F
Grant, R. J. 03425-D
Grasley, M. II. *15634-0
Grau, R. 14188-M
Green, A. E. S. 07981-D
Green, P. D, 10066-M
Greenbaum, R. *16614-F
Greenburg, L. 00204-F
Author Index
1347
-------
Gregg, S. J. *13412-M
Gregory, A. R. *Q8100-F
*1405Q-F *00316-G
Gregory, K. L. "10S14-F
Griffin, G. W. 00356-M
*02445-M
Grigoryan, G. 0, *1Q591-E
16209-M
Griffiths, J. F. *04281-D
Griffiths, M. J. 04281-D
Griggs, M. *0798Q-C
Griswold, S, S, *05864-B
•00107-E "08075-E
•01017-J
Groll, A. *11902-C
Gransberg, E. Sh.
*02335-D *07I46-D
•11903-D
Gross, G. P, 14424-E
Gross, P. *00836-F
•08054-F *08423-F
Grosskopf, K. *01740-B
Grovenstein, E., Jr.
•01194-C
Gruber, C. W. 05336-J
Grumer, J. *07881-E
Gruscn, G. *12990-B
Gualtierotti, R.
*08499-F
Gucker, F. T., Jr.
*04968-D
Gudiksen, P. H.
•07867-D
Guibet, J. C. 09715-B
12588-B 16627-B
14531-E
Guillement, F. B,
05666-G
GUillerm, K.
*16302-F
Guillory, W. A. *01787-M
Gunther, S. 05580-D
Gunn, R. *05405-C
Guntan, R. C. *Q2328-M
Gupta, S. K. *13087-D
Guse, W. 11061-D
Gushchin, G. P. *04172-A
•04158-C *04163-C
*04157-D *04160-D
*04173-J
Gussey, P. 04771-M
Guthmann, K» *01528-E
Gutman, L. N. 05121-D
Gutnick, M. 04977-C
Guttenberg, J. F. 16574-M
Guyer, M. 04328-D
H
Hackney, J, D. *08424-F
Haagen-Snit, A. J.
*16251-A *01326-C
*04579-D *01645-E
*04338-E 00229-G
•04992-M *17155-M
Haentzsch, S. 14213-D
Hagopian, E. *1S317-M
Hahn, E. 07173-F
Hale, E. A, *14404-E
Hall, E. L. 04995-B
Hall, M. A, 04707-G
06417-G 11320-G
Hallett, W, Y. *00672-F
Halliday, E. C. 0S932-A
07119-D 07121-E
Halstead, C. J. *17l73-M
Halstead, W. D. *16883-M
Hamada, A. 08320-F
11459-J
Hamill, P. V. V. *01992-F
Hamill, W. H. *141S5-M
Hamilton, H. L., Jr»
*10682-C
Hamilton, P. M. *01446-D
Hamilton, R. A. *00274-D
Hamilton, W. F. *05149-E
05613-M
Hammer, D. I. *00742-F
Hamming, W. J. *00502-C
*01504-C *03270-F
*08403-F *05110-J
*08558-M
Hammond, G» S. 15046-M
Hampson, J. *07716-C
Hajipson, R. F., Jr,
*17223-M
Hanke, E. 12990-B
Hansbrough, J, R.
*07786-G
Hanst, P. L. *11030-D
Happ, J. W. *00418-1)
Harden, D, G. 15211-P
Harding, C. I, 06385-D
009S9-E
Harding, J. W. *13900-M
Hardison, L, C. *08055-B
Harkins, J. *05599-B
03103-n 14025-E
03978-F 05611-M
06068-M
Harkness, A. C, *00952-C
*06719-M 08254-M
1348
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Hamer, F. M. 16313-G
Harries, C. *10788-A
Harrington, J, B., Jr.
•04355-C
Harris, M. E. 07881-F.
Harris, R. L., Jr.
00179-D
Harris, S. W. *14031-E
Harris, W. C. 11835-B
Harrison, A. P,, Jr.
*07463-M
Harrison, H. *04465-M
Harstad, J. B. 00418-D
Harteck, P. 13540-M
Hartkamp, H. *16117-M
Hartman, K. 0. *02446-M
Hartree, E. F. *13457-M
Haseba, S. *13415-H
Hashimoto, M. *1613S-B
*17188-K
Hass, G. C. *00324-B
12011-B
Hatch, T. F. 02266-F
Hatchard, R. E. *00528-J
Hathaway, C. E, 08838-D
Hathaway, J. A. *01993-F
Hatterer, A. *15752-D
Haugen, G. R, 074S8-M
11864-M
Haught, A. F. *15138-M
Hauser, T. R. *00214-D
*Q1802-D 02G9Q-D
*03537-D
llautefeuille, P.
*10910-M
Havens, A. V. *05920-C
Havir, J. *07648-D
Hayakawa, T. *13324-M
Hayashi, S. *07371-J
*07529-J
Haydan, G. B. 00919-F
*01040-F *06745-F
12173-F
Hayhurst, A. *122S9-M
Heagle, A. S. *12149-G
17057-G
Healy, T. E. *16857-P
Hearst, P, J. *05233-H
Hechter, H. H. *03519-F
Heck, W. W. *00242-C
*00760-D *11305-D
00121-G *00775-G
*0396l-G *05610-G
*08843-G *11072-G
*25559-G *I7057-G
Hedlund, F. *06280-B
Heggestad, H. E.*00184-G
*009S3-G 01421-G
*02744-G *04582-G
*10674-G *12042-G
14963-G 14966-G
Heicklen, J. 02517-M
02534-M 02535-M
*03488-M 04277-M
~04583-M 07500-M
*07717-M
Heiman, H. *00047-F
~00281-F *00308-F
03421-F
Henderson, J, J. 00220-B
Hendrickson, W. G.
13746-E
Heinz, W. B. *11604-D
Helbig, H. *16335-1)
Heller, A. *07597-K
Helling, S. A. 03785-F
Henderson, D. 01145-C
01412-C
Henderson, J. J, 04325-J
Hendricks, R. H. *01393-D
Hendrix, W. P. 00069-M
Hengstenberg, F. 06048-F
Henriksen, T, *16070-M
Henry, M. C. *11306-F
12079-F 16707-F
Henschler, D, *07173-F
*10791-F *10779-F
*11470-F
Henson, R. M. 09755-M
Hentel, W. 02155-D
Hepting, G, H. *01014-G
*01398-G "12043-G
Hering, W. S. *04292-C
*06918-C
HerkstToeter, W. G.
*15046-M
Herman, B. M.
*Q1405-C 12627-C
Hersch, P. A. *10672-D
*14SS0-D
Hersh, C. K. 06169-J
Hess, L. D. 00789-C
02493-M *07798-M
*08877-M
Hess, R. E. *08758-C
Hess, W. 09216-B
•09018-J
Hesstvedt, E. *05711-C
Hettche, 0. *09393-B
Heuss, J. M. *14119-F
Hewson, E. W. *07872-C
•03091-B
Author Index
1349
-------
Hexter, A. C. 11335-F
Heywood, J. B, 17335-B
Hiam, L. *16616-D
Hibben, C. R. *14063-G
*15332-G *16362-G
Hidalgo, A. F. *05482-C
*10027-M
Hidy, G. M. *04677-C
Hi$i, M. D. 03468-B
*03468-J
Hildebrandt, P. W.
07867-D "01949-J
07118-J
Hill, A. C. 07455-G
14962-G
Hill, H. 15184-M
Hill, S. R. G. 01019-F
Hinch, N, *18005-A
Hindawi, I. J. 01818-D
*00961-G *00413-G
"0S1S1-G
Mine, G. H. *00428-F
*03890-F *0S637-F
14050-F
Hinners, R. G. *00142-D
*01987-F
Hirao, 0. *06144-E
UiTashima, M. 13324-M
Hiratsuka, A, *00446-C
Hirsb, M. N. *02883-D
*04283-M
Hisatsune, I, C. *00700-M
02446-M *03349-M
*04578-M *Q4S80-M
0S2B6-M *05288-M
*0S289-!4 *09576-M
Hitchcock, L, B. *05573-J
Iloare, G. B, *08353-M
Hocheiser, S. *00192-D
*0063S-D *01086-T>
*02745-1) *11855-J>
*00005-J *02822-J
*02823-J
Hocker, A, J. 11237-D
Hodge, M. W. *04467-D
Hodges, G, H. 11581-G
Hodgson, F. N, 08033-B
Hodkinsan, J. R.
*01396-C
Hofer, L. J. E. *00015-E
*04771-M
Hoffmann, H. *08802-B
*Q8497-B
Hofmann, A. W. 16218-M
Hofmann, P. *14201-0
Hofmeister, H. K.
*09721-D
Hogger, 1), *08801-F
Holbrow, G. L. *07127-D
Holland, G. J. *15490-F
Hollax, E. *14450-M
[follenbeck, A. H.
01357-D
Holzman, R. S.
*10492-F 11670-F
*16905-F
Holzworth, G. C.
*02360-C *03068-C
Homann, K. H. *08056-M
Honey, R. 02199-1)
Hood, L. V. S. *11567-D
Hoover, G, *5, *08838-D
Hopper, C. J. 03102-G
Horai, Z. *07591-F
[lore, T. *10752-F
Horiuchi, K. *07166-J
Horn, K. *U568-F
*00411-1,
Hornedo, M. D. *0350S-J
Horstman, S. W. 0000S-J
Horsley, R. R. 06086-B
Horton, A. W. 01395-D
Horton, J. F, 01495-1)
Hosier, C. R. *03725-J
House, W. B. *06341-F
Hovey, H. H. *00673-B
Hsieh, Y. H. *14007-E
Huber, 0. L. 16420-F
HuheT, T. E. *009S2-F
Hudson, G. *16266-J
Huenigen, E. *14475-1,
Hueper, W. G» *02288-F
Hueter, F. G. *00473-F
02332-F *03823-F
07842-F
Huey, N. A. 00329-0
Hughes, A. N, *07498-M
Hull, H. M, *04998-G
Huls, T. A, *09323-B
tkennel, H. *02645-0
09721-D
Hunt, B, G. *014S8-C
Hunter, H. H. *11197-D
Hum, R« W. *01382-B
*01384'B *00241-J
*06698-M *10129-M
Hussey, C. E. 08267-J
Huybrechts, G. 04228-M
1350
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Huygen, C. "17063-M
Hylyi, M. F. *16S15-F
I
Ichihashi, M. 06800-D
Ichinosawa, A. *14553-F
Ilgenfritz, E. M.
*00730-J
ll'nitskaya, A. V.
*08461-F
Il'nitskii, A. P. *10637-E
Impens, I. I. *03163-G
Inaba, H. *16881-D
Inbar, M. 13446-F
Ingels, R, M. 00345-C
Ingram, W. T. *08655-D
Inove, R. *04181-B
Inscoe, M. N. *06955-D
Ioshpa, I. Ye. *14384-M
Iozenas, V. A, *04150-D
Ipsen, J. *01609-F
Ireland, F. E. *16022-1)
Iritani, T, 04181-B
Irvine, W. M. *1128Q-C
Israel, G. W, 038S7-C
Israel, H. *03857-0
Ishida, T. *17O40-M
Itoo, K. *16S34-C
Ivanov, V. N. *14570-M
Ivanova, F. A. 04221-F
Ivanova, R. N. 017S8-C
Ives, N. F. *07749-D
Ivie, J. O. 01349-D
*05892-D 06460-D
06459-G
Iyengar, R, D, *14179-M
Iyengar, T, S. *01462-D
Tzmerov, N. F. *081S3-F
J
Jaccard, G. *09008-J
Jackson, H. 0, 14351-G
Jackson, M. W. *05323-E
Jackson, W. E. 00679-B
Jaccfos, J. 11263-B
10037-M
Jacobson, J. L. 07798-M
Jacumin, W. J, *02747-0
*00992-F
Jaffe, L. S, *00613-C
*00787-C *08330-C
*00980-F *04321-F
*04322-F *04323-F
*09061-F *09S6S-F
*11045-F *12175-F
*04320-H *07083-J
0554S-L
Jaffe, S. *11279-M
*13889-M
James, D. W. *14092-M
James, M, R. 05047-M
Jansen, L, *13253-M
Jaros, G. D, *00469-D
Jegier, Z. 10978-G
12047-G
Jenkins, I. *11522-C
Jenkins, D. R. 17173-M
Jennelle, L. F,
11652-F 16738-F
Jensen, D. A. *00504-B
*01624-B
Jeung, E. 03269-F
Johns, R. *01711-D
Johnscn, B. L. 00872-D
Johnson, F. A, 08077-D
Johnson H. 01839-D
*12045-G
Johnson, H. W., Jr.
*02494-M 05100-M
Johnson, J. E. 03969-M
Johnson, M. C. *16306-D
Johnston, D. R. 00992-F
Johnston, H. D. *07500-M
Johnston, H. S. 01787-M
01878-M *02534-M
02535-M 03488-M
04583-M *06954-M
*07499-M *13564-M
*17010-M
Johnstone, H, F. 14902-E
*07082-M
Jonathan, N. *14917-M
Jones, G. W. 02286-M
Jones, I, T. N. *15746-M
Jones, J. L. *01591-F
Jones, M. H. 00177-C
Jewries, R. A. 06201-F
Jordan, R. C. 02841-D
Joseph, S. W. 00932-F
Josephson, A, S. *02173-F
Joubert, J. *02677-C
Juda, J. *07264-C
Julien, E. *17211-M
Junge, C, *09431-C
*10182-C 07655-P
Author Index
1351
-------
Jutze, G. A. *00179-D
*0l79l-E *02174-E
01095-J *02174-K
Juvet, R. S., Jr.
*0810S-M
Kabanov, M. V. 15476-D
Kadlec, B. 13002-M
Kain, M. L. *07938-D
Kalika, P. W. *09310-C
Kallai, T. 01990-M
Kalyuzhnyi, D. N,
*08161-J *08194-K
Kane, G, L, 02826-F
Kanitz, S. *16927-J
Kano, R. *07379-D
Kanno, S. *07482-D
Kantner, C. V.
*02610-B
Kapkaer, E. A.
*08S24-B
Karapetyan, R. V.
14909-M
Karimova, G. U.
04165-C
Kamey, J. L.
*06481-C 11274-C
Karol', I. K. *04167-C
Karp, I, N. *13267-M
Kashtanov, L. I.
*16463-M
Kasner, W. H. 02456-M
04437-M
Kato, K. 05451-C
*06785-C *06786-F
Kattawar, G. W.
*08868-C 09466-C
Katz, M. *03556-A
*01640-C 05299-D
*08762-D *00585-G
00696-G *01270-J
*04996-J *05499-J
*09259-L
Kauper, E. K. *03102-C
Kautsky, H. 11959-M
Kawamura, K. *04562-J
Kawanami, Y, *07198-C
*07198-J
Kawano, M. G3842-C
Kaye, S. *16721-D
Kayne, N, 03762-E
Kazakova, E, A. *16726-E
Keagy, D. M. *03458-J
Keating, G. M. *01610-C
Kelble, D. L, 09412-F
Kelley, J. J., Jr.
*12632-C I06I8-C
•03159-D 08311-D
Kelly, F. J. *06618-F
Kelso, J. R. *03016-M
Kendrick, J, B., Jr.
03608-G 0$609*G
03610-G *05723-G
*05724-G
Kenline, P. A, *00638-F
Keng, E , Y. H. *11310-C
*12165-C
Kenizys, F. X. 03149-M
Kennealy, J. P. 00360-C
Kennebeck, M., Jr.
•04609-B
Kenny, C, N, 12041-M
Kensler, C. J. *08021-F
Kerker, M. 04623-D
Kems, E. A. *05151-E
Khesina, A, Ya. 10637-E
Kettner, H. *07693-C
Khan, A. U. *072$7-C
Khanna, B. N. 04407-M
Khiterer, R. Z. 16726-E
Khrgian, A. Xh. 04161-C
04164-C 01752-C
*16342-C
Kilburn, K. H. *1352S-M
Kimotsuki, K. 05378-M
Kimura, K. 06192-J
*03160-M *05378-M
Kindsian, J. R.
00157-L
King, I. R. *05043-M
King, W. H., Jr.
*15200-D
Kipot, N. S. *16157-E
Kirkwood, D. H. *14747-M
Kistiakowsky, G. B.
*12046-M
Kita, N. *13160-E
Kitagawa, T. «17327-B
Kitrosskii, N. A. 04241-D
Klein, F. S. 11279-M
13889-M
Klein, J. J. 13503-M
Klein, R. *01683~D
Kleinerman, J. *14081-M
Xleinert, T, N. *13484-M
Kleinfeld, M, *00165-F
Kleinjung, E. 09398-M
Klejnot, 0. J, 10041-M
1352
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Kling. R. G. 05866-D
Klosterman, D. 00622-F
Klosteiman, D. L. *00122-D
Klosterraan, L, L, 01402-F
Khauer, A. *08805-C
Kneizys, p. X. 00371-M
Knipovich, 0, M« *15334-D
Knottf M, J. *16261-M
Kobayashi, J. 09907-D
Kobayasi, T. 16881-D
Kodama, F. *06749-J
Koency, J. E. 16721-D
Koenuma, K. *00226-C
Koeppe, D, E. *17038-G
Kohgo, T. 17106-J
Kohlenberger, D. W. 17047-D
Kojcharava, M. 14471-M
Kolsaker, P. 08705-M
ton, H. *15817-M
Konoplnski, V, J.
032S5-B
Kopczynski, S. h.
*01825-C 023S9-C
03858-C 05533-C
05343-D 12362-D
08845-M 12320-M
Koppe, R. K. 01784-D
Komblueh, I, H,
*05927-F
Kornfeld, G. "16429-M
Koroleff, F. *06919-1)
KbrsJurvor, H, 08625-C
Korth, M. W. 0237S-B
*00068-D *02842-F
Kortuem, G. *17346-M
Kostoveskii, Y. I.
08194-K
Kota, S. *13786-M
Kotaka, S. 00609-F
03726-F 0S241-F
1S725-F *00433-G
00577-G *00601-G
00604-G 00786-G
01449-G "01697-G
07864-G *15382-G
*1721Q-G
Kotliny, E. L. *00856-D
00956-D *02045-D
Kotin, P. *01030-F
*01844-F *05584-F
*08243-F
Koukol, J, 00950-G
04576-G *07501-G
Koutsoukos, E, P. *00101-M
Kouznetzon, G. I. *01752-C
Kbvitz, R. 00955-C
Kozyrev, B. P. *15729-C
Kraus, K. *15380-M
JCrause, F, E, 04626-M
Kreichelt, T. E. 02825-J
02840-J
Krenz, W. B. 11074-K
Krilov, N, A. *05383-D
Kristinssan, H. *00556-M
Krizek, J. *03218-D
Kmeger, A. P. *06265-E
*00609-F *01957-F
*03726-F *05241-F
*06264-F *08842-F
*15383-F *15725«F
*16155-F 00433-G
*00577-G 00601-G
*00604-G *00786-G
*01449-G 01697-G
*07864-G 15382-G
17210-G 13786-M
Krupenie, P. H. 04965-M
Kuczynski, E. R. *0S078-D
Kudo, Y. 17030-M
Kudryavaseva, L. A.
*04149-C
Kuers, G. *OR284-D
Kuhn, M. *02648-E
Kuhn, W. R. H6S89-C
Kul'kova, N. V. *16167-M
Kurtde, V. G. *11406-M
Kunz, H. 14675-M
Kupchanko, E. 02370-D
02370-J
Ruratsnne, M. 02853-M
Kurfis, K. R. 00191-C
Kurin, N. P. *14055-M
Kurker, C,, Jr. 07552-B
Kwana, T. 07085-M
Kyono, J. 01483-F
Kuz'mlnykh, I, N.
*13901-M
Kuznetsov, G, I, *04154-C
04161-C 04164-C
Kuznetsova, A. P. 04159-0
04150-D
L
Laamanan, A. 01794-F
Ladu, M. *16691-E
Laffey, W. T. *10660-E
Lagarde, E. 13058-F
Lagarias, J, S. 00250-B
Lage, L. J. 02153-D
04796-D
Author Index
1353
-------
Lagerwerff, J. M,
*02826-F
Lagutin, Ye. I. *16274-J
Lahmann, E. *02681-D
*02987-D *11573-D
*Z1574-D *13422-D
*11627-J *14776-J
*15557-J
Lair, J. C. 07613-E
Lamantia, C. R, *1672Z-B
Lamb, D. R. *l]828-A
Lafter, V. K, 04967-M
Lanpe, JC. F, *03490-F
Landau, E. 00306-F
00307-F *05422-0
Landen, E. IV. *12176-B
Landolt, P, A. 1670S-F
Landsberg, U. E,
*03373-C 11523-C
*0O259-F *02361-J
Lang, H. W. *15484-11
Langkerg, E. *03350-1)
Langheld, K. 10788-A
Langley, R, A. 03022-C
Large, L. N, *15184-M
Larsen, L, B. 01393-D
Larsen, R. I. *00798-B
*00962-B *05912-B
*00435-11 *01807-0
*03520-1) *00110-J
*00321-J *00435-J
*00739-J 06188-K
*10485-L
Larson, E. C. *07187-E
Larson, G. P. *07623-B
*05575-0
Laseter, J. L, *10119-M
Lauer, J. L. 01112-M
Laurence, K. M. *11575-F
Laurent, P. 07S41-F
Laux, W. 10779-F
Laveridge, R. *04058-N
Lavoie, G, A. *17335-B
Lavrinenko, R, F.
16458-C
Law, J. *16963-M
Lawsan, W. H., Jr.
*10071-F
Lawther, P, J. *00310-F
*08415-F *00218-J
Lea, D. A. 06481-C
*11274-C 15831-C
Leach, P. W. *01958-B
Leavitt, R, 01699-F
Lebowitz, M. D. 09440-F
11346-F
Lecher, D, W. 10965-G
Ledbetter, M. C. *04684-G
Ledford, M. 03968-M
Lee, G. *14325-E
Lee, R. C. *14975-E
Lee, R. E., Jr. *01033-D
Lee, Y. S, 03759-B
Lehman, R. L. *04381-A
Leightcn, P. A. *00969-B
*01422-1) *04633-M
Leipper, D. F, *10436-C
Leithe, W. *G7535-A
Lenke, E. E, 04962-E
*03462-J
Leng, J. K. 03076-F
Lang, L, J. 01958-B
02098-D
Leone, I. A. *09549-C
*01666-G 01800-G
*03092-G 03585-G
0S420-G *06557-G
*1215S-G 16311-G
16704-G
Leovy, C. B. *12634-C
LePera, M. E. *03164-B
Lesnikewitsch, A. I,
*17330-M
Levine, M, *12105-C
05149-E *05613-M
Levine, S. G. 01186-M
Levitt, B„ P. 13341-M
Levy, A. *153S1-B 04831-M
*05302-M *07883-M
*10043-M
Levy, E. J. *05404-1)
Lew, M. *07884-E
Lewis, R. J. *05548-D
*07885-0 01791-E
Lewis, R. P, *05070-D
*03466-J
Lewis, T. R. *02332-F
*03463-F *07842-F
Leyhe, E. W. 03446-M
Leyshon, L. J. *00611-C
Lias, S. G. 00629-C
01833-M 09267-M
Liberti, A. *09430-C
Lichtenstein, S. *08645-M
Liddell, H, F, *15301-0
Ligda, M. G. H. 01188-D
Lillington, G, A. 00338-F
06746-F
Linch, A. L. *01236-1)
Lindberg, W, *139S2-A
1354
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Ltadgren, P. H. 01429-D
Lindholm, E. 02464-M
Lindzen, R. 01305-C
Lindzen, R. S. *01406-C
*01407-C *01408-C
Linnell, R. H. *02786-D
Linslcy, B. 11052-C
Linville, If. *037S9-B
Linzcm, S. N. *02313-G
Lippmann, M. 01192-D
Litt, R. S. *11807-F
Littman, F. E. *17142-C
Uu, B. Y. II. *00864-D
*01704-M *06189-M
*11205-M *11785-M
•11784-M
Livingston, R. 00426-D
-Lloyd, D, H. *08646-F
Lodge, J. P., Jr.
*03674-A 10513-D
*01427-J *07103-J
Lodi, C. 10611-F
Lodwick, J. R. *05300-E
Logan, W. P. D. *00570-F
Lohner, K. 00269-E
Lokshin, M. A. 13688-M
Lonfcardo, F. A. *01103-C
Lonfcos, B. A. *09030-M
*09031-M
London, J. 16889-C
Long, R. 05325-M
Longfield, A. N. *02155-D
Lcroiemm, W. A, *09598-J
Loosli, C. 6. 11297-F
13852-F
LopuJchova, G. S, 11498-D
Lord, S. S., Jr. 01236-D
Lortie, J. *13020-M
Louw, C. W. *02415-D
*07119-1) *07120-J
Lovill, J. E. *10980-C
Lowry, W. P. *09311-C
Lozhkin, A, F. *14073-E
Lubowe, I. I. *01077-F
Ludmann, W. F. 00192-D
11855-D
Ludwig, B. E. *16236-M
Ludwig, C. B, *12887-D
Ludwig, F. L. *00855-D
Ludwig, J. H. *00186-B
*01488-B *02362-B
*04808-B *16263-B
*01167-E *09060-F
01830-J
Luk'yanchikov, V. S.
145S4-E 14385-M
Luk'yanitsa, A. I.
13662-E
Lunche, R, G, 02610-B
*04962-E 03270-F
*08556-K
Lund, H. F. (ed.)
*00131-E
Lundeen, G, *00426-D
Lundgren, D. A. 03563-M
Lunge, G. *10907-M
Lunge, G. H. 14620-M
Luther, V. H. *00269-E
Lutmer, R. F. *01168-F
Lutz, G, A. *02788-M
Lynch, A. J. *07390-J
Lynn, D. A. *00783-C
06841-C *01883-F
*01912-J
Lyshkow, N. A. *03096-D
M
MacBeth, W. G. 00502-C
16846-C
McCaa, D. J. *14146-M
*15829-M
McCahe, L. C. *00250-B
McCaldin, R. 0. *03527-D
McCarroll, J. R. *00681-F
*01369-F *09440-F
McCarty, B. *14727-E
McComick, R. A. *00191-C
*00764-C *0S282-C
*02363-D
McCormick, R. N. 00925-M
McCrone, W. C. 03474-D
McCully, C, R. 06984-D
McCune, D. C, 06404-G
17109-G
McDeimott, W. *05203-F
Hac Donald, A. J., Jr.
07103-J
McDonald, R. D. 00124-D
*00123-F 01737-F
*01738-F 02163-F
MacDowall, F. D» H. *05279-G
MacEwen, J, R, 07709-R
01346-F *03812-F *08026-F
*11539-F
McGraw, G. E. *03493-M
06954-M
NJcKay, H. A. C, *14411-C
McKee, J. E. *00359-K
JfcKee, J. W, *10327-K
Author Indhix
1355
-------
McKee, S, B. 03466-J
McKenna, J. M, *13327-M
Mackenzie, V. G. *00024-B
*00225-K
MacKnight, M. L. *16273-G
MacKu, M. *08487-D
Maclean, D. C. *06404-G
*17109-G
McLean, D. R. 04667-D
MacLeod, J. A. 03621-D
McLouth, M. E. *07072-K
McManus, T. T. 05096-G
07445-M
McMichael, W. F,*00271-B
McMillan, G. R. *01961-M
03066-M 16236-M
McMilesn, R, S. *16794-F
McMullen, T. B. 01912-J
*05551-J
McNeil, K. M. 09186-M
McNerney, J. M. *01346-F
*03820-F
MacPhee, R. D. *05158-D
08403-F 0511Q-J
McQuigg, R. P. *11243-M
Maddox, F, D. 03004-J
03027-J
Macter, P. P. *03760-B
*03761-B 05801-C
*09238-C
M&essen, J. G. H.
13843-M
Maga, J. A. 02360-C
~01211-K *11734-K
*00157-L *01400-L
*08679-L
Magill, P. U *04973-1)
Madame, K. 00446-C
Mahenc, J. 15755-M
Maker, G. R. *07483~K
Maianchuk, M. *00387-D
16261-M
Malbos, M. P. *00897-K
Malinoski, V. F. 10514-F
Maliriowski, E. 09 232-F
Mallon, M, H. 01026-M
Malysheva, I. N. 13248-M
Mamon, L. I. 13685-M
Manakin, B. A. 13939-M
Manakin, G. A. 13899-E
Manchot, IV. *13224-M
Manganelli, R, M, 06080-C
04499-D 06107-D
Mani, J. C. 08827-M
taita, M. D, *08436-P
Mannella, R. J. 06640-F
Manning, R. N. 10660-F.
Hantashyan, A. A. 15364-M
Manvelyan, M, G. *16195-M
*16204-M *16209-M
Marchesani, V. *06406-1)
Markush, R. E. *00313-F
Marraccini, L. 10390-F
08297-J 09391-J
Mans, P. 13843-M
Marsh, A. *00913-J
Marsh, D. 02S17-M
Marsh, K. J. *16016-D
Martell» E. A. *09465-C
Martelli, T* *03850-K
Martin, A. E, 00310-F
Martin, D. 0. 01842-B
Martin, G. B, 01264-C
Martinelli, G. *09234-D
Martini, S. 17146-M
Mase, K. V, *08485-J
Mason, J. 10683-C
Massa, V. F. *14424-E
Massey, F. 04964-F
Mast, G. M. *04767-D
Mastin, R. G. *01377-B
Masuda, Y. *02853-M
Mateer, C. L. 12077-C
08049-D
Matheson, D. H, 00666-J
*0Q688-J
Matijevic, E, *04623-D
04801-M
Matle, C. C. *02518-D
Matsak, V, G, *08162-E
Matsen, F. A. 16569-M
Matson, W. R. *10528-D
Matzen, R. N. *01368-F
May, H, *10539-E
Mayo, R. R. 050S8-M
Mayrsohn, H. 14180-J
Mazumdar, B. K,
Meabum, G. M. 15713-C
Meadows, F. L. *01685-D
00534-J *0432$-J
08327-J
Mecham, R. L. *03406-J
Mackler, M. *10985-1
MBe, T. R, *09113-C
1356
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
/
-------
teeker, J. E. 03426-J
teeifcurg, A. J. 13153-D
*fees, Q. M. *03407-J
teijer, R. J. 15243-M
teinwald, J. 07510-M
Melchiorri, C. 08296-D
teldau, R. *10474-B
Melekhina, V. P.*08154-F
telnychiik, D. 0.16515-F
Mencte, T. J. 03490-F
Mendenhall, A. h.t Jr.
01021-D
^tenet, J. P. *13058-F
tenser, H. A., Jr.
*11581-G *01421-G
*14963-G *14966-G
terrifield, P. R.
*05792-F
Merryman, E. L, *04831-M
05302-M 07883-M
10043-M
Meyer, E. *15347-C
Meyer, R. T. *10034-D
Meyerand, R. G,, Jr.
15138-M
Meyers, F. H. 03890-F
05637-F
Michael, B. D. 16097-M
Michailova, E. A.
*13528-M
Middletan, J. F. 01000-A
12177-A 04592-E
05894-E 05968-E
*00229-G *00737-G
•01809-G 02299-G
•03608-G "03609-G
•03610-G *03611-G
*03612-G *03613-G
•03615-G *03616-G
*03617-G 03628-G
04582-G 05344-G
0S902-G 05903-G
00526-J 06146-K
07605-L
Miescher, E, *03020-M
*15225-M
Mill, R, A. *01357-D
Miller, A. 10980-C
Miller, 0. L. 03680-D
Miller, P. R, *0024S-C
*10690-G *11501-G
Miller, R. J. 17038-G
Miller, S. 00738-F
Miller, S. E. 15351-B
Miller, W, J. *11210-M
Millman, S. *06993-C
*06994-C
Mills, C. A, *01327-F
Mills, H. S. 09238-C
Mingle, J. G, 00569-E
Minhk, A. A. *01219-E
*06669-F
Minkh, A. A. *13248-M
Minowa, T. «07239-J
Mirev, D. *13916-M
Mirzqyeva, L. M. *13894-M
Mishchenko, Yu, S. 13897-M
Mitchell, H, C. 00644-J
Mitchell, R. I. 01197-D
*01625-D
Mitra, A. P. *02520-D
Miura, T. *06192-J
Miyata, S, *05161-F
Miyazaki, H. *07391-D
Mohmheim, A. F, *13698-B
Mokhov, L. A. 02439-D
Molehanovo, S. I. 11770-M
Moll, A. S. 07082-M
Momkman, J. L. 08889-D
Monroe, J. 02781-F
Moore, G. E. *06911-D
*07427-D
Moore, J, A. 16609-M
Moorman, W. J. 16055-F
Moos, H. W. 15118-M
Morawietz, W. 13692-M
Morello, E. F. 14031-E
Morgan, G. B. *00144-D
*00297-D *08418-D
Morganroth, W, E.
*01648-M
Morikawa, A. 16307-M
Morreal, J. A. 11030-D
Morris, G. R. 08557-B
Morris, R. A. *05617-D
Morrison, M. E. *00432-C
*02492-D *04696-D
Morrow, P. E. *00S08-F
Morten, D. J. 16488-M
Mbruzzi, J. L. *15166-M
*16375-M
Mosendz, S. A, 11916-F
Mosher, J, C. *16846-C
Moskalenko, N. I.
*1631S-M
Motley, H. L. *01698-F
*02367-F *04208-F
Mountain, J. T. *02213-F
04048-F
Author Index
1387
-------
Mourik, J. H. *08735-B
Moussicn, CI. 07814-D
Mrose, H. "09439-C
Mucskai, L. *15087-1-
Mudd, J. B. *00656-F
•01060-F *01699-F
*0641S-F 00655-G
*07445-M 07505-M
Mueller-Duysing, W.
15380-M
Mueller, H. *13930-M
ftoeller, H. *14732-F
Mueller, J. I. *12196-D
Mueller, P. K. 008S6-D
*00956-1) 02045-D
00854-F 09368-F
15812-F
Mueller, W. J. *09441-M
Muhleisen, R. *02128-D
Mukai, M. *01902-B
Mukammal, E. I, 05279-G
Jfokherjee, N. R.
*05047-M
Mukhlenov, Y. P. 16419-M
toiler, T. H, *08812-F
Mullins, J. A. 01610-C
Murm, R. E. 006 88-J
Munroe, W. A. 00977-D
Hirad, R. 03551-M
Mirers, D. n. *00840-C
Murphy, S. D. 00617-F
00637-F *00994-F
*01090-F 01324-F
*02223-F *03076-F
*04698-F
Murray, F. E. 00952-C
01071-D 06719-M
08254-M
Myers, P. S. *17171-B
Myrvik, O. N. *0O5O9-F
N
Nabiev, M. N. 09981-E
Nadel, J. A. 10670-F
Nader, J. S, *01481-C
*00051-D 00620-D
*02302-0 *07889-D
*06723-J *12147-J
Nagarjunan, T. S.
*05099-M
Naiman, C. S. *05246-M
Nakadoi, T. 00328-D
Nakajima, K. *17414-P.
Nakamura, K. *11425-F
Nakano, T. *15948-E
Narcisi, R. S.
*03022-C 01114-1)
Narlta, (1. *13758-C
Nash, T. *08859-0
*11738-D
Nasr, A. N. M. *09244-F
Naualles, H, *15756-M
Nazyrov, G. N. 10639-B
Necliaera, N. 16422-M
Nedogibchenko, M. K,
*08165-B
Neerman, J. C. 00160-D
*12004-0
Neihurf»er, M. *00510-C
*02938-C *03381-C
*06043-C *04934-E
Neligan, R. E. *05097-B
Nelson, D. M. 11775-J
Nelson, G. 0. *12240-0
Nelson, N. *04584-A
Nemeth, A. *10045-M
Nesterenko, V. B.
*14056-M
Netzley, A. B. *09830-B
Neuberger, H. *00236-C
*04977-C
Neumann, B, *14675-M
Newbury, B. C. *04880-0
09623-D
Newell, R. E. *02832-J
NeWhall, H. K. 01002-B
*02335-B 139S1-B
*09315-D 01375-E
*09340-E *05248-M
Newton, A. S. *17168-M
Newton, J. W. *00231-M
Ng, Y. S. 00053-M
Nichols, C. W. 05342-G
Nichpor, G, V. *16043-M
Nickol, H, A. 09323-B
Nicksic, S. W. 03103-D
*03978-F *05611-M
*06068-M
Nicol, C. H. *01649-C
Nicolet, M. *05205-C
*05204-M
Niedrach, L. W. *14688-M
Niemeyer, L. E. *02179-J
Niessen, H. L. J. 01432-D
Nietruch, F. 14213-D
*15S21-n
Niles, F. E. *1S2Z7-M
Nilsen, J. *01928-K
Nilsscn, T. 092S0-J
Ninomiya, J, S, 13034-M
1358
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Nobe, K. 05970-B
00097-E *05250-E
00101-M 01241-M
*13683-M
Noble, W. M. 03584-B
*05103-G
Noe, J. L. 02799-D
Nolan, M. 01202-J
02823-J
Norell, M. W. *06520-D
Northend, C. A. 02199-D
Noro, L. *07098-F
Norton, S. G. *14584-F
NorwitZ, G. *03948-D
*05081-D
Norwood, W. D. *00892-B
Novak, J. R, 11188-M
*15491-M
Novak, J. V. A. *10406-D
Nowakowski, P. *11615-J
Noyes, C. M. *16398-D
Noxon, J. F. *17370-M
Nutting, J. 14747-M
0
Cberdorfer, P. E,
•09341-B
Odaira, T. 16554-C
*15610-J *17240-J
Odajima, T. 14224-M
Oertli, J. J. *16974-G
Ogawa, K, 0044S-J
Ogden, H. D. *06276-F
Okabe, H. 17223-M
Okamoto, K. 14493-F
Oke, T. R, 11521-C
O'Keeffe, A. E. *01577-D
Okita, T. *09433-C
*17283-1)
Olcott, T. M. *14821-E
Oldershaw, G. A.
*02258-M
Olin, J. B. *04913-M
Oliver, F. W. *00235-G
Oliver, J. *05471-E
Olson, D. R. 10135-B
Olsson, L. E. 07872-C
O'Neill, W. E. 15484-D
Oota, Y. *17197-C
•17185-C
Orcutt, J. A. *09414-F
*09416-F
Ordin, L, *00654-G
*01728-G *03495-G
*03496-G *04707-G
*05745-G *06417-G
*06498-G *06499-G
•06500-G *11320-G
*15578-G
Ordovoza, F. 0S786-D
Oming, A. A. *05011-B
Orr, C., Jr. *05482-C
*06418»C 11310-C
*00069-M 10027-M
Ortman, G. C. 01828-C
01577-D
Osherovich, A. L,
*17351-0
Osherovich, L.
*04153-D
Osipov, V. M. 17301-M
Oster, A. L. 03342-C
Otto, H, W. *16357-G
Ottoboni, F. 11347-F
Ourusoff, L. *05746-A
Ovchinnikova, Ye. N.
13936-M
Oveiberger, C. G.
*16609-M
Oza, T. M. *14219-M
Oza, V. T. 14219-M
Oiolins, G. 00858-B
01890-B *00336-D
11224-J *00336-K
P
Pace, D. M. *05295-F
*16705-F
Pack, D. H. 00374-C
Pack, J. L. 15056-M
Pack, M. R. *00126-D
14962-G
Padrta, G. 14607-D
Paduchev, V, V. *13943-M
Padwa, A, *00353-M
*00355-M
Page, F. M. *09034-M
Pagriotto, L. D. *15206-F
Pahnke, A. J. *09355-B
Painton, R. E, 04839-D
Paleari, C. *14255-F
Palmer, E, P. 06507-11
Palcnba, J,, Jr.
*0520O-J
Palti, Y. *02122-F
Pan, C. H. 00658-F
*0S294-F
Pannetier, G. *14285-M
Panouse-Perrin, J.
10315-D
Papa, L. J. *18013-D
Papee, H. M. 17043-M
Paribok, V. P, *04221-F
Author Index
1359
-------
Parker, A. *07845-A
Parker, C. H. *08377-B
ParkeT, W. R, *00329-D
Parkin, N. R. 00469-D
Parmeter, J. R., Jr.
10690-G 11501-G
Parrish, E. M. *12170-1
Parry, W. H. 07995-F
Partridge, R. A. *06011-F
Pate, J. B, 01427-J
Patrick, R. h. *08027-F
Pattison, J. N. *0032S-B
Pattle, R. E. *00511-F
*00995-F 02533-F
03593-F
Paul, D. G. 05404-D
Pauletta, C. E. 07921-E
Paulsen, J. F. *15197-M
Paulus, A. 0. 03613-G
Paulus, H. J. 10296-D
Pavlik, I. *09239-F
Pavlovskaya, A. A.
04166-C
Peacock, P. R. *09241-F
Peak, M. J. *16780-F
Pearson, B. 06608-F
Peatman, W. B. *14293-M
Peck, E. R. *04407-M
Pejack, E. R. *09172-M
Pellicioni, M. 16691-E
Peniiertan, J. 05297-F
Penndorf, R. 06325-M
*06612-M
Perkins, W. A. 01422-D
Perry, W. H. *02241-J
Persson, G, *09427-C
PeTsson, G, A. *02852-D
Peters, G. H. *05048-E
Peters, M. S, *14196-E
13530-M
Peterson, C. M. 00578-D
*10296-D
Peterson, C, 0., Jr.
•07S40-D
Peterson, D. C, *07099-F
Peterson, J, T. *15390-C
Peterson, R, F. 04310-B
01583-B
Peticolas, W. L. 1S0SS-M
Petr, B. *07240-F
Petrenchiik, 0. P. *09438-C
*10227-C
Petri, H. *02969-F
Petriccni, G. L.
•17043-M
Petrilli, F. L. *03115-F
*04054-F
Petriw, A. 06503-C
Pfaff, J. D. 00386-D
00868-D
Pfefferkoin, G. *06069-C
Pfeiffer, W. 05628-M
Phair, J. J. 01S20-F
05913-F
Phelps, A. V. *02456-M
*04437-M *05253-M
*1SQ71"M 1637S-M
Phelps, H. W. "00645-F
*00983-F 01698-F
•02420-F *03529-F
Phillippo, K, A. 16916-F
Phillips, D. *02337-M
Phillips, G. B. *06627-B
Phillips, I. F. *003S4-M
Piekaar, H. W, *10297-D
Pierce, J. A. *13265-M
Pierce, L. *03099-D
Piette, L. H, *07097-D
Pilat, M. J. *05810-C
16131-C
Pilet, P. E. 09008-J
Pilie, R, J. *01203-C
Pilipowskyj, S. *12524-C
Pinkerton, J. D, 11606-B
Pirila, V. *01794-F
07098-F
Pittock, A. B. *02201-C
Pitts, J. N.. Jr. *Q0602-C
00618-C *00789-C
*00935-C 072S7-C
*00550-D *02368-D
*12666-D *16820-L
00608-M 00917-M
*00923-M *01210-M
02494-M 02489-M
*02496-M *05100-M
08877-M 10512-M
10519-M *12169-M
*18025-M
Plass, G. N. *09466-C
*04769-D
Plata, R. L. *08692-D
11307-F
Platen, E. 14801-E
Plotnikova, M. M.
*08164-F
Plust, H. G. *11584-E
Pogosyan, Kh. P. *04166-C
Pohorecki, R. 0749S-M
1360
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Polanyi, J. C. *15114-M
Pollack, S. V. 06689-F
Polu, P. *07541-F
Poller, F., Jr. *02305-C
Popov, V. A. *07830-D
Porter, G. *06646-M
*15019-M
Porter, J. K. *08997-F
Porter, R, N, *15024-M
Portnoy, B. 00742-F
Posner, S. *04475-M
Potter, A. E., Jr.
07517-M
Potter, L. *03100-D
Poulos, N. A. *06983-D
Powers, J. W. 03064-C
Pozin, M, Ye. *13823-M
16419-M
Poziomek, E. J, *04285-M
Pratch, M. 07519-K
Pratt, D. T. 10522-M
Preinlng, 0. 05641-M
Prescher, K. E. 02987-D
15422-D 15521-D
Pressman, G. 06994-C
Pressman, J. *17034-C
Preston, K. F. *04286-M
*09079-M
Price, H. E. *15535-G
Price, J. G. W. *09573-D
Price, M. A. 03112-D
Prietsch, W. 1447S-L
Prigoryan, G, 0. 16204-M
Prince-Epstein, D.
*10260-A
Princi, F, *05752-F
Prindle, R. A. *00375-B
~06839-C *00284-F
*00306-F 00617-F
Proctor, T. D. *11162-D
Prcpst, B. 05777-G
06498-G 06499-G
Pruller, P. *0924Z-F
PTyor, W. H., Jr.
*08668-F
Prys-Roberts, C. 16613-F
Pueschel, R. 02412-M
Pueschel, R, F. 06632-C
01170-D *02961-D
Pullman, I. *11796-M
Purcell, J. C. 01244-C
Purcell, R. F. *15210-D
Purcell, T. C. 02732-D
*02760-D *04404-M
*05333-M
Pursall, B. R. *15769-B
Purvis, H. R. *00738-F
*00933-F
Pustinger, J. V., Jr.
*08033-B *03828-D
Q
Quaheck, H. 17346-M
R
Raabe, V. E. 07463-M
Raask, E. 16883-M
Rabinovitch, B. S.
•05051-M
Rabson, S. R. *149S5-B
Radhakrishna, G, N,
*043S4-E
Radianov, S. R. 04153-D
Radullan, C. 10100-D
Raff, R. A. *15713-C
Rai Dastidar, T. K.
*16530-M
Rakestraw, N. W. *01204-C
Rakowski, R. F. *13493-D
Ramaehandran, T. P.
*00348-D
Randhawa, J. S, 02458-C
Ranier, W. G. *09412-F
Rao, C. R. N. 03068-C
Rao, T. N. *1124S-M
•11249-M
Raschka, G. J. *03409-J
Rastorgueva, G. P.
*10228-C
Rayher, W. *06146-K
Raymond, L. *03851-B
Razunovskii, S. D.
*13671-M
Reamer, H. H. *11263-B
00476-D *02761-M
*05643-M
Rebbert, R, B. 01683-D
*00031-M 01233-M
*01888-M *02243-M
03559-M *03560-H
*0356l-M *05904-M
Reckner, L. *03542-D
Reckner, L. R, *00251-J
Reed, D J. 16617-G
Reed, L, E, *01306-B
Reed, R. D. *04838-E
Regner, A. 11742-M
Author Index
1361
-------
Wegener, V. H, *00285-C
*01162-11 *07684-D
*14831-D *17094-D
Rfiidel, J. C. *14212-E
Reinet, J, 09242-F
Reinke, W, A. 03083-F
Reiter, R. *U911-C
Remners, J, E. *01855-F
Rengstorff, G, W. P.
*06105-E
Renzanigo, F. 14255-E
Renzetti, N. A. 07178-B
*05797-D *01596-F
0S819-F *05849-M
*05901-F 07108-M
Reshetov, V, D. *04155-M
Resor, G. Ill *030ll-D
Rex, R. 0440S-D
Reynolds, R, R. 07913-D
Reysig, V, A. *13640-M
Rhee, K. H. 05288-M
Rhine, P. E, *14408-11
Riber, C. R., Jr. 02874-D
Rice, 0, K. *14232-M
Rich, S, *04476-G 16287-G
16312-G 17097-G
Richards, B, L,
*O3098-G *059Q3-G
Richards, B. L., Sr.
09114-G
Richards, J. E.
15212-J
Richardson, N. A.
*05894-E
Richter, G. H.
*04878~M
Richter, H, G.
*09032-D
Richters, V.
*0326116661-F
Rickert, Hans
*16296-M
Riddick, J. H., Jr.
*10490-F
Ridgway, S. L.
*07613-E
Riggan, W. B. 07453-G
15482-G
Rihm, A. , Jr.
00046-F *01041~J
Riley, E. C. *00228-F
Riraberg, D. 08340-D
Rinehart, W. E.
08054-F
Rinker, R. G, 00432-C
02492-D 03402-D
04900-D 04915-D
04914-M
Ripley, Z>. t,
*01169-D
Ripp, D. R. B.
16085-D
Ripperton, L. A.
*04335-C 02747-D
0810Q-F 03531-G
*04348-J 01579-M
03107-H
Risk, J. B. *01071-D
Rispler, t. *01228-8
Rlspoli, J. A.
*11087-E
Rjazanov, V. A.
~01916-F See also!
Ryazaqov, V. A.
Roberta, D. P.
*0974 3-J
Roberts, T. R.
•118H-K
Robin, E. D. *00515-F
Robinson, C. B.
*005 34-J 01149-L
Robinson, E.
*0 3386-C
Robinson, J. W.
*17048-D
Robinson, L. B.
*116G6-B
Robinson, C, B.
*07448-J *0832 ?-J
Roche, J, J. 03719-D
Rock, S. M. 00224-D
Rodebush, W. H.
13417-M
Rodenhiser, H. A.
*05558-G
Rodgers, G. A.
01086-D
Rodin, Ye. p.
14624-M
Rodiatiov, A. I.
*1389 7-M 13901-M
Roesler, J. F.
*00771-D *06984-D
Rogala, H, *09232-F
Rogers, E. *14636-M
Rogers, L. H. 00020-B
*05112-J
Rokaw, S. N.
*04964-F
Roldan, R. 11108-M
Roman, C. 11806-F
Rotnanovsky, J. C.
*00345-C 06600-F
Rcmashkina, I. 1.
0417 3-J
Romashkina, K. I.
*04170-D
1362
PHOTOCHEMICAL OXIDANTS tylD AIR POLLUTION
-------
Romeo, P. L. 06844-E
Roney, P, L.
*02524-C
Rose, A. H., Jr.
*0002 7-B *01848-B
*02244-B
Rosen, J. M. *03133-C
*0946 7-J
Rosenberg, G. V.
*10585-D
Rosenberg, N. W.
04461-C
Rosenberg, R. B.
*13922-M
Rosner, D. E. 07681-M
Ross, C. R. 01228-B
Ross, H. 15732-F
Ross, J. C. 11801-F
Ross, J. M. 00264-D
Ross, L. W. *08463-K
*13781~M
Ross, R. T. *15028-M
*15438-M
Rossano, A. T., Jr.
•04595-A *01170-D
02961-D *05606-0
*07 604-L
Rost, G. A. *02 763-0
Rostebach, R. E.
*05866-D
Roth, En. *11241-F
Roth, W, A. X4188-M
Rothe, D. E. 14146-M
Rounds, D. E.
*00665-F *01062-F
*06840-F
Roussel, A. A.
*05128-K
Rozenberg, G. V.
*10408-M
Rozental, 0. M.
*04171-M
Rozinskly, M. Ya.
17351-D
Rozlovakiy, A. I.
*13895-M *14624-M
Rubin, S. 04979-D
Rue, R. R. 05352-D
Ruhnke, L. H. *06987-D
Rumyontseva, M, V,
08436-D
Russell, C.
*16906-G
Ryason, P. R.
*14025-E
Ryazanov, V. A.
*05952-0
See also :
RJazanov, V. A.
Rylander, R. 00781-J
Ryzhov, V. P. 16463-M
Sabaroff, B. J.
*06691-F
Sadarangani, S. H.
01462-D
Sage, B, H. 04913-B
"10475-B 02761-M
*03361-M *09046-M
14636-M
Salmi, R. C. *01889-M
Sakabe, H. *06150-J
Sakaida, R. R. *04915-D
•04914-M
Sakurai, S. 04562-J
Salem, H, 10416-F
Salooja, K. C. *03985-M
*04926-M
Sallee, E. D. *14895-B
Saltzman, B, E, *01650-C
*00385-D *00866-D
*01021-0 01091-D
*03544-D *06613-D
*11130-D 12140-D
*17128-D 01330-F
Salvin, V. S. 02941-H
*09041-H
Samuelson, 0. 13253-M
Sancier, K, M, *02306-F
Sandberg, J. S, *08722-J
Sanderson, D. E. 01318-M
Sanderson, H, P. *01447-D
Sapse, A. T. *13846-F
Sardar, M. 13454-M
Saric, M. *05391-F
Saruta, N, *16542-F
•06760-J
Sawders, H. E, 04767-D
Sauvageau, P. 09030-M
09031-M
Savage, B. 00100-F
Savodnik, N. N. 16167-M
Savran, S, V, 16948-F
Sawin, S. B. *17347-D
Sawatani, T, *14224-M
Sswicki, R. *00386-1)
*00868-D *01735-D
•01781-D *01839-D
*01922-D *02090-D
*02093-1) *02095-D
*02096-D *02799-D
*04029-1) *04328-P
*05136-D 05319-1)
*11675-0 *02O82«M
Sawyer, D. T. 04294-M
Author Index
1363
-------
Sawyer, R. F. 06433-D
06435-D *14924-E
17054-E 10045-M
Sazanov, L. A. *09437-M
Saalfeld, F, E. *05257-0
Scaletti, J. V. *05893-B
Scaringelli, F. P,
*0109l-D
Scattergood, D. M.
04465-M
Schafer, L. J. 03701-J
03714-J 03715-J
05111-J
Schaefer, V, J, *16886-M
Scharf, P. B, *07451-B
Scheich, G. 09431-C
Scheel, L. n. 00836-F
*03082-F
Scheer, M. D. 07498-M
Scheve, J, 17330-M
Schiernann, fi, *16207-M
Schiff, H. I. 00354-M
03184-M
Schilling, G. F. *05085-C
Schischkov, D. *16341-E
*14471-M
Schlecter, H. M. 01632-M
Schlier, R. *06325-M
Schlipkoter, H. W,
*071?4-F
Schlunk, C. 10937-C
Schmid, I!. 13224-M
Schmidt, A, *14630-E
Schmidt, K, H. *15270-E
Schmidt, P. 07240-F
Schmitt, K. *13202-E
1364
Schneider, R. A.
*07510-M
Schoen, R. r. 14654-M
Schoettlin, E, C,
*00507-F
Schonfeld, E. *13312-M
Schotland, R, M.
*05190-0
Schroik, H. H. *03421-F
Schuck, E. A. *11326-B
*00618-C *0I602-C
01596-F *01603-F
*02485-F *03883-F
*05819-F 02496-M
02498-M *04863-M
Schuenemann, J. J.
*01782-J 03458-J
*09209-J 01069-N
Schuette, F. J, *01876-D
Schuetz, A. 10507-M
Schulr, E. J. *04040-D
Schulz, G. J. 05253-M
Schulr, H. 10539-E
*10780-P
Schultz, K. F, 04801-M
Schulze, F. *03979-0
Schumacher, H. J. 14815-M
Schumann, C. E, *05336-J
Schumann, G. *08620-M
Schunmi, D. E. 09024-F
Schwab, C. A. 05915-D
Schwabs, K. 14450-M
Schwanecke, R, *15152-E
*16299-E
Schwartz, C. H, 05011-B
Sciamanna, A. F. 17168-M
Scofield, F. *15352-B
*]1090-K
Scott, W. E. 05818-C
02786-P *05572-D
00251-J *05627-J
16986-M
Scully, D. B. 03986-M
Seagrave, R. C. *00476-!)
Sease, W, S. *06688-E
Sebastiani, E. *10336-E
Seery, D. J, *13931-M
Segeler, C. G. *05815-B
Seidman, G, *01818-D
*02537-D *07453-G
*15482-G
Seinfeld, J. H. 15310-B
Seizinger, D. E, 00241-J
Sekigawa, T. *07545-D
*07245-J *07488-M
Selegean, E. *17096-J
Selezneva, Ye. S.
*10724-C
Sensenbaugh, J, D.
00140-B
Seo, E, T. *04294-M
Serat, W. F, *04635-D
*01483-F *0S116-F
Serderkhina, D. F.
*08136-D
Serdyuk, I,. S. *13822-M
Serruys, M. *10388-B
Sethi, D. S. 05267-M
Setser, D, W. 05051-M
*09594-M
Severs, R, K. 03965-D
03966-D
Shaddick, C. W.
03708-F
Shaffer, N. R. 03462-J
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
/
-------
Shafrin, Yu. A, *G4202-C
"05459-C
Shah, I. S. *im08-B
Shandala, M. G. *11490-F
Sharma, R. K. *04667-D
Sharp, E, L. *09317-G
Sharp, J, I!. 02368-D
Q7097-D 00923-M
*07085-M
Sharpe, L. M. *09759-B
Shaw, D. B. 00794-F
01977-F
Shaw, J. H. *14992-1)
1S829-M
Shaw, J. T. *04643-1)
10357 -)) 13932-D
*10066-M
Shaw, M, *14429-D
Shaw, R. •05425-M
Shaw, T. M. 02328-M
Shchirskaya, V. A.
*08135-D
Sheehy, J, P, *00220-B
Shelef, M. *14603-M
Sheleikhovskii, G. V.
*03424-B
Shepherd, M. *00224-1)
Sheridan, E. G. 00196-D
Sherman, M. *05814-^
Sherwin, R. P. *032S4-F
03261-F *16661-F
Sherwood, T. K. 13561-M
Shosterikova, K, L.
*06872-J
Shibano, M, 17024-D
Shibuya, T. *13628-B
Shiel, F. O'M.
•16606-F
Shifrin, K. S. 14886-M
Shiga, T. *16045-M
*16046-M
Shigemoto, F. H.
09601-C
Shimose, T, 13415-M
Shiota, K. *08320-F
Shirai, T. *11459-J
*17030-M
Shively, J. F. 00730-J
Shore, V. C. 05851-G
Shrinpr, R. D, 11828-A
Shulinan, H. L. 0S351-H
Shultz, J. F. 00015-E
Sianu, E. *10100-D
Sidorina, I. Yu,
07518-C
Siedlowski, J. 04556-M
*07513-M *13374-M
*13376-M *13719-M
Siegel, J. *03822-F
Sigsby, J. E., Jr.
00271-B *0237S-B
00122-D *04796-1)
Siksha, R. *06925-C
Silakova, A. T. *11916-F
Silveston, P. L. 15986-M
Sin, M. *02533-F
Simecek, A. *11742-M
*13002-M
Simtmaitis, R, 00935-C
*08829-M *10512-M
Sinclair, W. A, 16354-G
Singer, J. M. *04653-M
Singh, T. *06433-1)
sinha, P. S. 02247-F
Sipple, H. E. 07187-E
Sirs, J. A. *00180-
Slogren, H. *02464-M
*03177-M
Sjoholm, J. 00189-F
Skala, H. *14607-D
Skam, A. W. 16799-K
Skare, I. *01240-D
Skillen, R. G, 01319-F
Skoe, B. P. 0349S-G
Slagg, N. 05904-M
Slater, D. H. *07512-M
11239-M *11248-M
Slater, R. W. *02377-D
03468-J
Slater, W. L. *04668-M
Sleva, S, F. 02162-D
Slevin, J. A, 04283-M
Slonim, N. B. *13182-A
Slote, L. *12158-F
Snail, M. 01302-D
Smith, C. R. 1S122-M
Smith, D. S. *0643S-D
Smith, G, T. *06163-F
Smith, G. V. 00293-D
Smith, I, D. *05649-B
Smith, J, R. 09032-D
Smith, U E, *00649»F
*06020-F *12157-F
Smith, M, E. 11010-G
Author Index
1365
-------
Smith, R. 00336-D
•04596-D 07885-D
00336-K
Smith, R. G. *10448»F
Smith, R. I. *15452-B
Smith, R. P. 00132-F
Smith, S. B. *03425-D
Smith, W. S. *00030-B
*01069-N
SnellinR, D. R. 02504-M
*15470-M
Sobecki, M. F. 02811-F
Sobolev, G. K. *02309-M
15536-M
Soda, R. 06150-J
Sokolova, T, I. *16461-*!
Solberg, R. A. 03696-G
Solomatina, I. 1, 10228-C
Sonoda, N. *13029-E
Soong, A. L. *14331-M
Sordelli, n. 01125-E
Sorenson, S. C. *23951-B
Sorolca, B« S, 13267-M
Sosnorsky, H. M, C.
*16509-M
Sourirajan, S. *03798-E
*08207-F.
Southerland, J, H,
*12148-D
Spankuch, D, 11724-C
Sparrow, C. J. *16799-K
Spealman, M. I,. *13417-M
Speizer, F, E, *16520-F
Spence, J. B, 09241-F
Spencer, F. F., Jr.
*03762 -F.
Spialter, L. *03179-M
Spicer, VJ, S,, Jr.
*05087-C *00312-F
*03083-F *04588-F
Spinazzola, A. *10390-F
*08297-J *09391-J
Spirtdel, W. 17040-M
Spindler, C. B. *02344-C
•05055-C
Spindt, R, S. *13S47-B
Spotnitz, M. *06635-F
Sprenger, G« *10902-D
Spumy, K. 14705-D
Squire, H. C. 09355-B
Squire, J. M. *16693-M
Stadnik, S. A. 13640-M
Stahman, R, C, 02244-B
Stair, A. T. *00360-C
Stair, R. *05576-C
*01690-1)
Staisely, C. E. *11810-K
Staisey, C. E. *12810-K
Stalker, W. W. 01685-D
*01149-L
Stanetskaya, A. M.
15723-B
Stanley, T. W, 0173S-D
01781-D 02093-11
02096-D 02082-H
Stante t C, *07701-C
Starkman, E. S. *01002-B
*01375-B *01565-B
03355-B *05411-B
*08663-B *09315-1)
*16777-E *17054-E
Steadctan, B. L. *06201-F
Steblova, R. S. *04156-C
Stebbings, J. H., Jr.
06011-F
Stebbings, r. f. *05265-M
Steel, C. 02528-M
Steele, J. L. 0P937-F
Steffens, C. *04979-0
SteigeTwnld, B. J,
00783-C *06841-C
*0S277-J
Stein, F. 08724-D
Stein, K. C. *03796-E
*07607-M
Steinberg, M, 04410-M
Steinfeld, J. I. 1S019-M
Stenburg, R. L, *06086-B
Stephany, H. *00539-A
05128-K
Stephens, E. R. *01675-C
*05817-C *05818-C
*02476-C *11013-C
*00237-D *01208-1)
*03112-1) *05572-1)
11051-D 02485-F
03292-G 03S95-G
*03618-G 05627-J
*16843-J *00238-M
00939-M *0Z851-M
04863-M *05268->f
*05491-M *11050-H
*16986-M
Stephens, R. J. 10970-F
Sterling, T. D. *01520-F
*06689-F *11331-F
Stern, A. C.. *03085-A
*01494-B *09283-C
*02951-E *07893-E
Stem, P. 14201-D
Stevens, R. K. *04839-0
Stevenson, H. J. R.
057P4-D 05795-D
*01318-M *12142-M
1366
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Stewart, D. W, 03163-G
Stewart, W. S. *15740-J
Stezhenskii, A. I.
*06877-E
Stezhenskiy, A. I.
*145S4-E *14385-M
Stickney, P. B. 09441-M
Sticksel, P. R. *02465-C
Stier, A. 10791-F
Stockman, R. L. 01949-J
*07U8-J
Stoddart, E. M. *13546-M
Stoeber, W. 0623S-C
Stokinger, H. E. *00852-F
*03619-F 04494-F
*04495-F *16739-F
*04544-G
Stolk, J, M. *00132-F
Stolzy, L. H. *01904-G
*17093-G
Stone, R. K. *14127-B
Stopperka, K. *13354-M
Storey, P. B. 00312-F
Storlazzi, M. 00635-D
Story, P. R. *00565-M
Stotzky, G. 15332-G
Stout, C. D, 02518-D
Strandberg, L, *09958-F
Strange, J, P. *08674-D
Straschill, M. *13535-E
Stratsaann, H. *04018-11
08256-D 10206-n
Streetman, J, R, *16569-M
Stromal'shchikova, P. N.
06872-J
Strohmeier, W. *16574-M
Strong, A. A. *01495-0
0S314-D
Subbaramu, M. C. 03650-C
Siibbarao, V. V. 14179-M
Subbaratnam, N. R, *05821-C
Siibocheva, N. L, 14073-E
Sucov, E. W. *15056-M
Sugden, T. 12259-M
Sullivan, B. R. *15640-E
Sullivan, J. L. *05S00-J
Sullivan, J. 0. *09077-M
Sun, B. 11813-N
Sun, K. H. 15115-M
Sunavala, P, D. *08572-M
Sundarosan, B. B. *00959-E
Suppan, P. 06646-M
•09082-M
Susan, S. *11239-M
Suter, H. R. *07620-M
Sutton, R. *03355-B
Suzuki, S. *02064-D
*07401-D *07402-D
•17195-M
Suzuki, T. *07490-L
Svirtely, J. L. *01330-F
•04498-F
Svistov, P. F. *04169«D
Swarm, H. E., Jr. *00033-F
*00779-F "02277-F
Swartz, D. J. *06104-B
02763-D 05609-D
Sweeney, M. P. 00325-B
*12011-B *00155-D
*05609-D
Swinarski, A. *04556-M
Szargan, P. *14418-M
Szepesy, L. *15100-E
T
Tabachnikov, A. G,
13822-M
Tabershaw, I, R, 06053-F
•11347-F
Tabor, E. C. 00144-D
*00293-D *01691-D
02241-J *03426-J
02174-K
Tada, 0. *04555-1)
•06112-D 03160-M
Taga, T. *02148-B
Tagaki, S. F. *11132-M
Takahashi, H. 145S3-F
Talbot, J. H. *03888-D
Tamplin, B, R. 03295-D
Tank, W. 06993-C
Tandy, G. H. *13533-M
Tanner, R. L. 08105-M
Tash, J. A. 02168-1)
Taube, H. 06319-D
Taylor, A, H. *03356-M
Taylor, F. R. 03542-D
Taylor, G. S, *17097-G
Taylor, H. A, *05267-M
Taylor, J. R. *05S75-C
Taylor, 0. C. *110S1-D
*00009-G *00963-G
01904-G 02209-G
02916-G *03094-G
03098-G 04853-G
05362-G 05698-G
05745-G *05774-G
Author Index
1367
-------
Taylor, 0. C. (cont'd)
*07255-G D9U4-G
11407-G *11748-G
*15514-G 17093-G
*18041-G
Tebbens, B, D. *02203-M
Teele, W, R. J.0658-D
Teichner, W. H. 11241-F
Tens, T. L. 15578-G
Terabe, M. *06800-D
*15621-D *16543-D
*17279-D
Terraglio, F. P. *06080-C
*04499-D
Terrill, R. E. 01993-F
Terry, J. P. 07072-K
Terry, R. A. *15211-F
Teske, W. 12637-E
Thecnes, H. W. *U061-D
Thienes, C. H, *01319-F
Thomas, A, A, *00429-F
*04738-F *10613-F
•11593-F
Thomas, F, W. 00023-B
Q3777-C 02921-D
*14159-E
Thomas, H. V. *09368-F
*15812-F
Thomas, J. F. 01902-B
08354-D 02203-M
Thomas, J. W, *08340-D
Thomas, M. D. *04987-C
*02845-D *03621-D
0S892-D *06460-0
*07106-D *00301-G
*0339$-G *16244-G
*13527-L
Thomas, R. 01447-D
Thomas, R, S, 07427-D
Thomas, S. S. *03624-M
Thomas, T. F. *02528-M
"Ihonpsan, C, R. *01349-D
*02379-G *048S3-G
*06459-G *07255-G
*11407-G
Thompson, D. J. 00392-F
*03427-F
Thompson, J. R. 05295-F
Thompson, K. C. 08835-D
Thomson, W, W, *0190S-G
*04724-G
Threshcw, M. *01250-G
TFiTush, B. A. 13452-M
Thurauf, W. *03233-B
Thynne, J. C. J. 16913-M
Tiezzi, E. 16235-M
Tiffany, W. B. *15118-M
*15139-M
Tikhanenko, A, D, *09981-E
Tilson, S. *00984-A
Tillman, J. H. 03S05-J
Tijimins, G, W. 06471-D
Ting, T. P. *10713~G
12034-G
Tingey, n. T. 0745S-G
16517-G
Tipson, R. S. *03234-D
00058-M *09200-M
Tkach, Yu. A. *13375-M
Todd, 0. W. *03626-G
*03627-G *03628-G
*03629-G *03630-G
*05777-G *05778-G
Tokiwa, Y. 03099-D
*03295-D 00339-F
00659-F
Tomingas, R. 0Z648-E
Tomlinscn, H. *16287-G
*16312-G
Tonomura, M, *05562-J
*1S173-J
Toothill, C. *16066-F
Toporova, V. V. 13943-M
Tosihide, 0. *15772-E
Tow, P. S. *15941-E
Townsend, A. A. *05474-C
Townsend, C. R. *09770-D
Toyama, Y. *09907-D
Trawinski, S. 07513-M
13719-M
Treinin, A. 01106-C
Treshow, M, *16313-G
Tret'yakova, V. A.
*03924-D
Trobisch, K. *13068-E
Trofimov, A. I, *13718-E
Trofimova, L. V, 08524-B
Trcmp, S. W. *00521-F
Trap, C. E. *03625-F
Truche, M, R. *10778-F
Tseytlin, A. N. 13689-E
Tsivoclou, E. C. 000S1-D
Tsuge, H» *00445-J
TXibbs, L. D. 14408-D
Tucker, H. G. *03252-F
Tuerkoelmez, S. *1636S-E
Tuesday, C. S. 17387-C
*02837-M 02838-M
03114-M *03428-M
Turk, A. *04546-J
1368
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Unner, B, *04548-C
*06480-C
Turner, D, 02635-B
Turner, J. F. 00232-G
Tverkovkin, B. Ye,
140S6-M
Tye, R. *01395-D
u
Ubisch, H. V. *09250-J
Ubl, Z. *09983-D
Uhi, K. *14486-D
Mi, K. 07391-D
III rich, C. E. 00632-F
00637-F 02223-F
*02811-F
Umans, R. S. *11802-M
Umstead, M. E. 00060-D
15486-M
ling, A. Y. *03184-M
IJrone, P. *07654-D
16857-D
Uiy, H. K. *11335-F
V
Valdes, S. 08997-F
Valenzuela, R. 12644-C
Valori, P. *08296-11
Valko, P. *16405-C
Van, C. 08935-B
Van Arsdol, M. D., Jr.
*0694S-N
Van Der Drift, J.
*14481-E
Vander Wal, J. F,
*02899-M
Van Haut, H. *10206-G
Van Sickle, n. E. 0S058-M
Varanasi, P. *01112-M
Varlamou, M, L. *13899-E
Varshavskii, T. P.
*04634-E
Vassiliou, E. 02188-D
Vasil'yev, L, L. *04480-F
Vaughan, S, 11807-F
Vaughan, T. R., Jr.
*11632-F *16055-F
*16738-F
Vcelak, V. *11842-11
Velkoff, H. R. 09172-M
Venezia, R. *00858-B
*01604-B *11224-J
*01604-K
Vengerskaya, Kh. Ya.
*10639-B
Veninga, T. S. *08965«F
Vemot, E. H, *07709-D
*09906-D *03813-F
Vingiello, F. A. *01632-M
Virtu, N, 07701-C
Vodar, B. *16051-M
Vodi, J. W. *16781-D
•11771-M
Volker, W. 10917-M
Volman, D. H. 00611-C
w
Wade, R. H. *00264-D
Wadlinger, R, L. 09749-M
Wagman, J. *07456-C
01033-D
Wagner, C. 16296-M
Wagner, W. D. *03530-F
*03620-F 04495-F
*06717-F
Waggoner, N. E. 05196-J
Walisch, W. *11922-F
Walker, G. *00693-B
Walker, J. M. 00274-D
Wallace, L. D. *17047-0
Wallace, T. J. *O5208-M
Waller, R, E, 04651-J
Wallingtcn, C, E.
*09171-C
Walsh, R. T. *09831-B
*09833-B
Walsh, W. K. 04454-M
Walter, D, F. *01842-B
Walter, T. A, 12046-M
Wan, J. K. S. 00916-M
*00925-M 01210-M
*02489-M *02493-M
*02498-M 12169-M
Wani, M, C, *01186-M
Wanner, H. U, 07821-F
*07834-F
Warmbt, W, *03649-C
13463-D
Warneck, P. 17034-C
*09077-M *14317-M
Warren, G. J. *17023-D
Wartburg, A. P., Jr.
00385-D 00866-D
01331-D *10S13-D
*12140-D 03682-M
Watanabe, H, *00328-D
Watanabe, S. *17248-E
Waters, R. H. *G7913-D
Author Index
-------
Waters, W. A. 16693-M
Waters, W, R. 01690-D
Way, G. *07629-B
Wayne, H. G. 03760-B
Wayne, L. G. 03296-D
*10456-F *04645-F
*05176-F 05824-M
Wayne, R. P, 15746-M
Wayne, W. S. *01S88-F
Weatherly, M. L. P. M.
09577-J
Weaver, D. F. 03159-D
Weaver, E. E. *13034-M
Weaver, E. R. *05580-D
Weaver, G. M. 14351-G
15286-G
Weaver, N. K. *11337-F
*14772-L
Weber, 0. L. 10119-M
Weber, F,. "00896-A
Weedfall, R. 0. *U052-C
Weegman, E. 16429-M
Weg, R. B. *03296-D
Wehrle, P. F. 01588-F
Wei, K. *08827«M
Weinberg, J. M, 0872D-D
Weinberger, L. W. 05277-J
Weiner, N. D. *11679-F
*14065-F
Weinman, J, A. 12524-C
Weinrotter, F. 14630-E
Weinstein, L. H.
*00627-n
Weiss, B. 08294-D
Weisburd, M. I,
(Conpiler and Ed.)
•00975-E
Weisburger, E. K. 01692-F
Weisburger, J. H.
*01692-F
Weissbecker, L, *16031-F
Wellons, C. C. 1216S-C
Wells, M. E. *12216-M
Welsh, G. B, *00050-J
*02840-J *03512-J
05095-J
Went, F. W. *11221-C
01391-G 04998-G
Wentworth, W, E. *00119-M
West, P. W. *00489-D
•0S786-D
Westlake, W. E. 08323-D
West Phal, J. 11627-J
15557-J
Wetheringtan, R. 04609-B
Wettermark, G, *03186-M
Wetzel, R, E, 02822-J
Whitby, K, T. *OOS78-D
*00860-D 00864-D
•01704-H 02841-D
03563-M 06189-M
Whytock, D. A. 08353-M
Wicke, E. *08036-E
Wiese, H. C. 04878-M
Wiessner, W. 13273-M
Wiethaup, H, *Q6124-K
Wikstrom, L. L. 13683-M
Wilkening, M. H,
*03842-C
Wilks, S. S. *02263-F
•02472-M
Williams, D. 00822-D
Williams, D. T. 07981-D
Williams, H. D. *13408-M
Williams, I. H. *00802-J
05652-J
Williams, J, D. *01890-B
*03449-D 03866-D
*00847-J *03027-J
Wilson, A. W, 10958-B
Wilson, D, *05343-D
Wilson, D. J. *15140-M
Wilson, H. N, *09369-D
Wilson, K. W. 06104-B
*06604-C *06599-D
"15354-D
Winner, D. B. 14975-E
Winchester, J. W,
•03657-C
Windsor, M. W. *11188-M
15491-M
Wineforder, J. D.
11567-D
Winkler, K. 02066-B
Winkler, P. 14817-n
Winkstrom, L. L.
*00097-E
Winnick, S. 03254-F
Wisdom, J. W. 12392-E
Wisehart, D. E. 00892-B
Wiseman, D. H. 16794-F
Wisman, A. 00673-B
Wisse, J. A. *13153-D
Wohlers, H. C. 03104-J
Wolf, F. 13354-M
Wolf, H. W. *00244-G
1370
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Wolfe, C. L. 13547-B
Wolkonsky, P. M.
*16830-F
Wolozin, H. *09285-K
Won, W. D. *15732-F
Wong, E. L. *07517-M
Wong, S. Y. 11533-M
Wood, F. A, *12S57-B
*06447-G *12166-G
Woodruff, R. 07884-E
Woodward, C. 17048-D
Woods, F. J. *00060-D
*15486-M
Woolum, J. C. *16235-M
Worth, J. J. B. 10682-C
Wortman, R. L. 03407-J
Wozniczek, H. *01534-B
Wright, G. W, *16840-F
Wyatt, P. A. H. *14100-M
Wyeth, H. W. G. *06471-D
Wyss, C. R. 08067-J
Xintaras, C. *00872-D
*00632-F
Yamakl, N. *08591-B
Yamamoto, R. K. *10772-0
Yamate, N. 03245-D
*15171-D *07549»E
*15161-J 15173-J
*15911-M
Yamazaki, K. *04374-E
Yanagisiwa, S. *03245-D
Yanda, R, 04208-F
Yantovskii, S. A, *07518-C
Yarger, D, N. 01405-C
12627-C
Yeh, Hsu-Chi 11783-M
11784-M
Yokoi, M. 07591-F
Yokoyama, E. *13868-F
*15680-F *17027-F
*17055-F *17061-F
•17311-F
Yoshinari, S. *07199-E
Young, R. A. *00059-D
*07687-D *15253-M
*15272-M *15785-M
*15790-M
Young, W. A. *00794-F
*01977-F
Yunghans, R, S, *00977-D
Yurasova, 0. I, 07478-J
Yur'eva, T. M. *15667-M
Zagorovskii, 0. A, 06877-E
Zalogin, N. *16422-M
Zanon, D, *Q1125-E
Zawadski, E. A. 01362-B
Zdnukowski, W, *01412-C
*01145-C
Zdrojewski, A. *07435-D
08643-D 08644-D
Zeff, J. D. 06520-D
Zemik, F. 10792-F
Zimror, C, E, 06369-D
*00739-J *01095-J
Zlmnsnnan, P, W. 04684-G
Zrtamenskii, A. A. *04162-D
Znamenskly, Yu. D.
13707-E
Zocher, H. *11959-M
Zolotnitzky, L. 01162-D
Zubov, V. V. 13823-M
Zuev, V. E. *15476-D
Zwang, L. R. *05121-D
Author Index
1371
-------
TITLE INDEX
A
Abatement of Air Pollution I -
Sulphur Dioxide. 17068-J
Absorption of Atmospheric
Sulfur Dioxide by Water
Solutions. 0608Q-C
Absorption of Carbon Dioxide
into Aqueous Amine Solutions
and the Effects of Catalysis.
09186-M
Absorption Coefficients of
Gases in the Range From
100 A to 500 A. 160S1-M
Absorption of Light in Gases.
02503-M
Absorption of Nitrogen
Dioxide by Aqueous
Solutions. 13561-M
Absorption of Nitrogen Oxides
by Limestone Suspension.
13897-M
Absorption of Nitrogen Oxides
in the Vibrating Layer of
Sodium Carbonate Solutions.
13916-M
Absorption of Nitrogen Oxides
from Waste Gases in a Pilot
Plant Column. 13901-M
Absorption of Radiation in the
Lower Atmosphere and the
Amouit of Ozone. 10787-C
Absorption Tii>e for Removal of
Interfering Sulfur Dioxide
in Analysis of Atmospheric
Oxidant. 00866-D
the Phenolphthalin Method.
07119-D
Acid Potassium Iodine Method
for Determining Atmospheric
Oxidants. 09108-D
Acrolein as an Atmospheric
Air Pollutant. 08164-F
Action of Dinitrogen Tetroxide
on Hyponitrites, Nitrites
and Oxides. The Induced
Decomposition of Hyponitrites.
14219-M
Action of Mercaptan and Disul-
fide in Hydrogen Atom Exchange
Reactions, 02817-M
Active Solids. 13412-M
Acute Effects of Air Pollutants
on the Lings. 10416
Acute Inhalation Toxicity
of the Atmospheric Con-
taminant Peroxyacetyl Nitrate
to Mice. 04852-F
Acute Pulmonary Edema of
Chemical Origin, 00165-F
Acute Toxicity of Irradiated
Auto Exhaust Indicated by
Enhancement of Mortality
From Streptococcal
Aieumcnia. 01335-F
Adaptation of Technician
Autoanalyzer for Continuous
Measurement While in
Motion. 0865S-D
Adaptations of the
Respiratoiy Tract to Air
Pollutants. 00508-F
Absorptives for Infrared
Determination of Peroxyacyl
Nitrates. 05268-M
Accuracy of Total Oxidant
Measurement as Obtained by
Addition of Phenyl Radicals
to Sulphur Dioxide.
16693-M
1373
-------
Adsorpticn of Gases on
Sodium Chloride and
Aqueous Sodium Chloride
Solution. 13684-M
Adsorption of Sulfur
Dioxide by Dry l°n
Exchange Resins.
053S1-M
Advances in Continuous
Air Pollution Analysers.
02 763-D
Aerosol Filters The
Tortuosity Factor in
Fibrous Filters.
10297-D
Aerosol Formation in
Natural and Polluted
Air. 05479-B
Aerosol Measurements in
the Troposphere arid
Stratosphere. 06982-C
Aerosol Origin of Atmospheric
Ozone (A hypothesis).
04155-M
Air Conservation and the
Protection of our Natural
Resources. 04S92-E
Air Contaminant Measurements
at Roosevelt Field, Nassau
County, New York (January-
February 1964). 01829-J
Air Contaminants. 09785-B
Air Ion Effects on EDTA-In-
duced Bleaching in Green
Barley Leaves* 13786-M
Air Ion Effects oil the
Grcwth of the Silkworm
(Borifcyx rnori L.).
07S&2RJ
Air Ion Effects on the
Oxygen Ccnsunption of
Barley Seedlings.
01697-G
Air Ions and Human Health.
05927-F
Air Ions as an Index of
Air Pollution. 06841-C
Aerosol Spectrometer -
Its Theory, Construction
and Application to
Analysis of Exhaust and
Atmospheric Aerosols.
05794-D
Aerosols Their Conplex
Role in Rainfall.
03558-C
Aerospace Toxicological
Research. 04738-F
Air Analysis: the Standard
Dosage - Area Product.
02370-D
Air-Borne Oxidants as Plant-
Damaging Agents. 03608-G
Air Conditioning and Health,
GQ228-F
Air Conservation. 16251-A
Air Conservation The
Biologist's View. 05883-F
Air Ions and Physiological
Function 06264-F
Air Ions in Urban Atmosphere.
05277-J
Air-Like Discharges With
CO? NO, NO2 as Impurities.
15227-M
Air Monitoring and Sampling
Networks (Proceedings of
the 1959 Seminar). 03511-J
Air Over Cities. 02305-C
Air Over Osaka City.
09445-J
Air Oxidation of Mcnomethyl
Ifydrazine. 07709-D
Air Pollutants and
Meteorological Aspects
at the Smog Alert
Issuance in Tokyo.
16554-C
1374 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Air Pollutants and Plant
Response. 14968-G
Air.A Polluted Environment.
Q1000-A
Air Pollution. 00984-A
18005-A 11453-F
Air Pollution and its
Abatement in the
United States. 02951-E
Air Pollution and Acute
Respirator/ Illness,
09440-F
Air Pollution as it Affects
Agriculture in New
Jersey. 01800-G
AiT Pollution. IV, Alert
and Alarm Regulations
in Some Foreign Cities,
114Z1-K
Air Pollution and Allergy.
01794-F 07098-F
Air Pollution-Part IV -
Analysis of Pollutants,
Chapter 18-Analysis of
Organic Gaseous Pollutants.
00108-D
AiT Pollution Asthma in
Osaka, Japan. 02437-F
Air Pollution and Asthmatic
Attacks in the Los Angeles
Area. 00307-F
Air Pollution Asthmatic-
Bronchitis Among United
States Personnel in
Japan, 00983-F
Air Pollution and the
Automobile. 08633-B
03851-E
Air Pollution From Auto-
mobiles in Philadelphia*
00679-B
AiT Pollution From Auto-
motive Exhausts, 08812-F
Air Pollution: Bay Area,
15336-L
Air Pollution in the
Birmingham, Alabama Area.
034S8-J
Air Pollution Bronchitis
and Lung Cancer. 08415-F
Air Pollution in Canada,
0S499-J
Air Pollution With
Cancerigenic Substances.
01844-F
Air Pollution/Chenung County
(Supplement to Compre-
hensive Area Survey
Report Number Che
Greater Elmira). 04834-J
Air Pollution and Chronic
Bronchitis. 00480-F
Air Pollution and Chronic
Respiratory Disease.
04964-F
Air Pollution from Coal-
Fired Power Plants.
03113-B
Air Pollution and
Community Health.
00375-B
Air Pollution Control at
Cape Kennedy. 07072-K
Air Pollution ContTol-
Economic Impact of
Growing Problem.
00359-K
Air Pollution Control
Field Operations Manual
A Guide for Inspection
and Enforcement).
00975-E
Air Pollution Control in
Houston Area. 14212-E
Air Pollution Control
Primer. 09780-E
Title index
1375
-------
Air Pollution Control-
Problems for the
Automotive Engineer.
07893-E
Air Pollution Control
Research in U.S.A.
(Part I). 17283-D
Air Pollution Control
Systems. 10960-D
Air Pollution: Costly
to Ignore, Costly to
Control. 01928-K
Air Pollution Damage to
Vegetation, 05851-G
Air Pollution and
Daily Mortality.
03519-F
Air Pollution Disaster--
Prevention Program of
Los Angeles County.
07519-K
Air Pollution and Disease.
07162-F
Air Pollution in Donora, Pa.
(Epidemiology of the
Unusual Smog Episode of
October 1948 Preliminary
Report). 03421-F
Air Pollution Effects.
12166-G
Air Pollution Effects of
Incinerator Firing
Practices and Combustion
Air Distribution.
00027-B
Air Pollution Effects on
Vegetation. 03472-G
Air Pollution in the El
Paso, Texas Area. 03505*J
Air Pollution Bigineering
in Los Angeles County.
04962-E
AiT Pollution...Formation
of Sulfuric Acid in
Fogs. 07082-M
Air Pollution From Fuel
Combustion. Processes in
Philadelphia. 075S0-K
AiT Pollution and Future
Automobile Engines.
17262-E
Air Pollution in Georgia.
03466-J
Air Pollution in Great
Britain-Past, Present, and
Future. 09S77-J
Air Pollution in the Growing
Community. 05571-K
Air Pollution and Health.
00130-C 00204-F
00825-F
Air Pollution and Health:
New Facts From New
York State. 00046-F
Air Pollution Impacts to
Some Important Species
of Pine. 01398-G
Air Pollution Injury to
Crops. 03610-G
Air Pollution Inventory-
Enter the Diesel.
00241-J
Air Pollution in Jackson-
ville, Florida (A Pilot
Study-Aug.-Sept. 1961),
00220-B
Air Pollution in Xanagawa
Prefecture. 06749-J
Air Pollution in Localities
With Heavy Traffic in
Metropolitan Cities.
09393-B
Air Pollution Measurement
Study in Richmond, Virginia,
January 18-24, 1962.
02431-J
Air Pollution Measurements
in Australia, A Survey
of Current Methods and
Developments. 12649-J
1376
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Air Pollution Measurements
in Baltimore, Mi. (March
and April 1964). 02825-J
Air Pollution Measurements
in Duquesne, Pennsylvania
(September-October 1963).
02823-J
Air Pollution Measurements
in Indianapolis (June-
July 1963). 02822-J
Air Pollution Measurements
of the National Air
Sampling Network-
Analyses of Suspended
Particulates 1963. 01594-J
Air Pollution and the
Metal Finishing Industry,
13698-B
Air Pollution and MeteorolOgic
Factors (Effects on
Normal Subjects and
Patients With Respiratory
Disease). 05087-C
Air Pollution/The Mid-Hudson:
Greene, UlsteT, Rockland,
Coluiflbia, Dutchess
(Comprehensive Area
Survey Report Number 6).
05008-J
Air Pollution by Motor
Car Exhaust Gases.
01S34-B
Air Pollution From Motor
Vehicle Gases in Tokyo
and Osaka. 15610-J
Air Pollution from Motor
Vehicles. 00962-B
Air Pollution in the
National Capital Area.
00050-J
Air Pollution and New
Orleans Asthma (Part 1-
the Studies, Results,
Discussion, Conclusions).
03463-F
Air Pollution in New York
City. 03359-B
Air Pollution-Niagara
County (Comprehensive
Area Survey Report
Nuntoer 3). 04864-J
Air Pollution in Northern
Kyushu. 06760-J
Air Pollution in Norway,
I, The General Air
Pollution in Norwegian
Cities and Industrial
Towns. 13952-A
Air Pollution in Osaka
and its Chronic Effect
Upon the Human Body.
07S91-F
Air Pollution and the
Paint Industry. 00250-B
Air Pollution Patterns in
The Greater Birmingham
Area. 00534-J
Air Pollution Patterns in
Sixteen Alabama Cities.
04325-J
Air Pollution: Photo-
oxidation of Aromatic
Hydrocarbons. 01978-M
Air Pollution Phytotron
(A Controlled Environ-
ment Facility for
Studies Into the Effects
of Air Pollutants on
Vegetation). 03549-G
Air Pollution as a
Possible Cause of
Bronchitis and Lung
Cancer. 05297-F
Air Pollution Problem
in the United States.
00047-F
Air Pollution Problems
and Control Programs
in the Lhited States.
01782-J
Mr Pollution Problems
of the Phosphate
Industry. 154S2-B
Title Index
1377
-------
Air Pollution Program,
National Bureau of Standards
(Quarterly Report Oct. 1,
1965 to Dec. 31, 1965).
01683-D
Air Pollution and Public
Health. 0S203-F
Air Pollution as Public
Health Hazard. 00284-F
Air Pollution and the
Public Will. 04058-N
Air Pollution. Pulp Plant
Pollution Control.
U008-B
Air Pollution Regulation
of Nanvehicular, Organic-
Solvent Emissions by
Los Angeles Rule 66.
Q7483-K
Air Pollution With Re-
lation to Agronomic
Crops: I. General
Status of Research of
the Effects of Air
Pollution on Plants.
16244-G
Air Pollution With
Relation to Agronomic
Crops: V. Oxidant
Stipple of Grape,
05903-G
Air Pollution (Review of
Application of Analysis].
03674-A
Air Pollution from Road
Traffic-Measurements in
Archway Road, London.
01306-B
Air Pollution in St. Bernard,
Chio. 03426-J
Air Pollution in Sapporo and
Its Sources. 05428-J
Air Pollution Situation
in Los Angeles-An
Aerometric Survey.
0S573-J
Air Pollution in Six
Major U. S. Cities
as Msasured by the
Continuous Air
Monitoring Program
(CAMP) 01912-J
Air Pollution From
Solvents. 15352-B
Air Pollutiom-A Special
Report. 09094-A
Air Pollution Studies.
03234-D 09200-M
Air Pollution Studies
in Paris and Outlying
Districts in 1967.
16684-J
Air Pollution Studies With
Simulated Atmospheres.
00177-C
Air Pollution Study at
Heavy Traffic Road.
06150-J
Air Pollution Study in
Stockholm 1963/1964
and 1964/1965.
09250-J
Air Pollution in Teheran:
Comnissioning of Air
Monitoring Apparatus
and Advice on Develop-
ment of an Air
Pollution Control
Program 18-Oct-6 Nov.,
1966) 16022-D
Air Pollution Teheran. An
Introductory Survey of
the Problems and Some
Suggested Activities*
09209-J
Air Pollution Simulation
and Hunan Performance.
15490-F
Air Pollution in Tokyo,
07198-J
Air Pollution by Toxic Gas
1370 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
and its Counter Measure.
07549-E
Air Pollution and Urban
Climate. 02361-J
Air Pollution, Weather, and
Illness in Children and
Adults in a New York
Population. 11346-F
Air Pollution and Your
Lungs. 02357-F
Air Quality in California.
11326-B
Air Quality and Character-
istic Contnunity Parameters.
05S51-J
Air Quality in Clark County,
Washington. 01949-J
Air Quality as a Controlling
Factor in Life Processes.
12177-A
Air Quality Criteria
Associated With Visibility
Reduction. 07605-L
Air Quality Criteria for
Pennsylvania. Q8420-L
Air Quality Criteria for the
Photochemical Oxidants.
04966-F
Air Quality Criteria and
Standards for Agriculture.
00737-G
Air Quality Data-1966.
05336-J
Air Quality Data, (An-
nual Report for 1962)
(National Air Sanpling
Network). 00017-J
Air Quality Data from the
National Air Sailing
Networks and Contributing
State and Local Networks
1964-1965. 02340-J
Air Quality Data from the
National Air Sanpling,
Networks and Contributing
State and Local Networks
1966 Edition. 11353-J
Air Quality and Forestry.
07786-G
Air Quality of Los Angeles
County. 04616-J
Air Quality of the St.
Louis Metropolitan
Region. 00644-J
Air Quality Standards.
12030-L
Air Quality Standards
and Air Pollution
Control Regulations
for the St. Louis
Metropolitan Area.
07766-K
Air Quality Survey. El
Paso Metropolitan Area.
16266-J
Air Quality Survey at
Selected Sites at the
Hanford Project. 08067-J
Air Resource Management
Plan for the Nashville
Metropolitan Area.
00847-J
Air Resource Management
Program Southwestern Ohio-
Northern Kentucky.
02376-K
Air Resource Management in
the San Francisco Bay
Area. 01211-K
Air Resources in the Mid-
Williamette Valley.
06977-J
Air Resources of Utah.
02312-B
Air Sampling With Plastic
Bags. 00620-D
Air Tenperatures and the
Toxic Effects of
Nitrogen Oxides. Q4221-F
Title index
1379
-------
Alabama Respiratory Disease
and Air Pollution Study.
II. Air Pollution
Patterns in the Greater
Birmingham Area.
08327-J
Alien Constituents in
Experimental Atiaospheres.
12160-F
Alkaline Filter Paper Method
for Measuring Sulphur
Oxide f Nitrogen Dioxide
and Chloride in the
Atmosphere. 02063-D
Alteration of the Pathogenic
Role of Streptococci
Group C in Mice Conferred
by Previous Exposure to
Ozone. 15579-F
Altered Function in Animals
Inhaling Conjugated
Nitro-Olefins. 02223-F
Altered Function in Animals
Inhaling Low Concentrations
of Ozone and Nitrogen
Dioxide. 00637
Alternative Fuels for
Control of Sugine
Emission. 17054-E
Ambient Air: Guilford
County, North Carolina.
05481-J
Ambient Air Quality Criteria.
05293-L
Aufcient AiT Quality Ob-
jectives-Classification
System. 02418-L
Anfcient Air Quality
Objectives-Part 500
(Statutory Authority:
Public Health Law
1271, 1276). 06349-K
Aribipolar Diffusion and
Electron Attachment
in Nitric Oxide in
the Temperature
Range 196 to 358 K. 0232S-M
Ammonia and Air Pollution.
14411-C
Ammonia as a Spark
Ignition Engine Fuel:
Theory and Application.
01002-B
Anperometric Prcmellant-
Conponent Detector,
06983-D
Analog Computing Techniques
Applied to Atmospheric
Diffusion: Continuous
Area Source. 03382-C
Analyses for PAN and
Studies of Its
Structure. 06068-M
Analysis of Aerosols With
the Aerosol Spectrometer.
05795-D
Analysis of Air Pollution
Mixtures: A Study of
Biologically Effective
Components. 01323-F
Analysis of Airborne
Pollutants. 08889-D
Analysis for Aromatic
Compounds on Paper and
Thin-Layer Chranatograms
by Spectrophoto-
phosphor vmetry. Ap-
plication to Air
Pollution. 00868-D
Analysis of the Atmosphere
for Light Hydrocarbons.
01208-D
Analysis and Comparison
of Available Data on
Air Quality Criteria
in Member Countries.
07604-L
Analysis of Foreign
Aerosol Produced in
MO? Rid) Atmospheres
ox Animal Exposure
Charters. 16261-M
1380
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
f
-------
Analysis of Fuel Cells
for Vehicular Ap-
plications. 11109-B
Analysis of Instrument
Downtime for a Large
Air Monitoring Network.
07885-D
Analysis of the Interesting
Components of Exhaust
Gases. 11562-D
Analysis of Kraft-Mi11,
Sulfur-Containing Gases
With GLC Ionization.
01784-D
Analysis and Modifi-
cation of RVR
Equipment for RVR
Values 500 Feet
and Above. Final
Report. 07913-D
Analysis of the Oxidant
in Photooxidatian
Reactions. 02732-D
Analysis of the Spectrum
of the Nitric Oxide
Molecule. 1522S-M
Analysis of the Spectrum
of the Nitric Oxide
Molecule. (Annual
Scientific Report No. 2).
00612-M
Analysis of the Spectrum
of the Nitric Oxide
Molecule (Final Scientific
Report) 03020-M
Analyst's View of Our
Polluted Planet,
10448-F
Analytical Control of
Contaminant Concen-
tration in Exposure
Chanters. 03813-F
Analytical Procedures
for the Environmental
Health Laboratory.
09333-D
Analytical Studies cn
the Atmospheric
Conditions Induced by
002-0? ARC Welding.
04181-B
Analytical System for
Identifying the
Volatile Pyrolysis
Products of Plastics.
08294-D
Analytical Techniques for
Identification of
Gas-Off Products from
Cabin Materials.
03828-D
Analyzing Air Pollutant
Concentration and
Dosage Data. 00321-J
Anatomical Effects of Air
Pollution on Plants.
04999-G
Anatomical and Physiological
Changes in the Lings
of Rabbits Exposed to
NO2. 00338"F
Animal Exposure Chajrbers
in Air Pollution Studies.
00142-D
Annual Report 1965 * Depart-
ment of Air Pollution
Control-City of New York.
00169-K
Annual Report of the
Bureau of Industrial
Hygiene, 1966. 06960-J
Annual Review of the
Purification of the Air.
00896-A
Anomalously Lang Radiation
Lifetimes of Molecular
Excited States.
15054-M
Antagonistic Action of
Oil Mists on Air
Pollutants (Effects
on Oxidants, Ozone and
Nitrogen Dioxide).
03530-F
Tttia Index
-------
Antiozonant-Treated Cloth
Protects Tobacco From
Fleck. 17097-G
Apparatus for the Analysis
of Combustion Products
Obtained During the
Oxidation of Hydrocarbons.
04667-D
Apparatus for the Determination
of Carbon Monoxide and
Carbon Dioxide in the Air
and of Gaseous Conponents
of Liquid Fuel. 07150-D
Apparatus for Determining
the Contribution o£ the
Automobile to the
Benzene-Soluble Organic
Matter in Air. 03795-D
Apparent Photosynthesis
as a Measure of Air
Pollution Damage.
03094-G
Apparent Rate Constants and
Activation Energies for
the Photochemical
Decorpositicn of Various
Olefins. 01264-C
Application of Controlled
Partial Gas Phase
Thermolytic Dissociation
to the Identification of
Gas Chromatographic
Effluents. 05404-D
Application of the Copper
Oxide-Alumina Catalyst
for Air Pollution Control.
08207-E
Application of the Evoked
Response Technique
in Air Pollution
Toxicology. 00872-D
Application of a Hot
Wire Ionization
Detector to Automotive
Exhaust Gas Analysis.
04839-D
Application of Laser
Radars to the Study
of the Atmosphere,
08369-D
Application of the 3-
Methyl-2-Benzothiazolcne
Hydrazone Method for
Atmospheric Analysis
of Aliphatic Aldehydes.
02098-D
Application of Phenolphthalin
Reagent to Atmospheric
Oxidant Analysis.
04579-D
Application of Reactivity
Concepts to Emissions
from Device Equipped
and Unequipped
Automobiles. 078Q7-D
Application of Subtractive
Techniques to the
Analysis of Automotive
Exhaust. 00122-D
Application of Thin-Layer
Chromatography to the
/nalysis of Atmospheric
Pollutants and
Determination of
Benzo(a)pyrene. 01735-D
Applications of Microscopy
to Air Pollution,
00196-D
Applied Aspects of the
Radiation Chemistry of
a Nitrogen-Oxygen
System, 14634-L
Applying Non-Dispersive
Infrared to Analyze
Polluted Stack Gases.
07540-D
Appraisal of Air Pollution
in Minnesota, 03409-J
Appraisal of Air Pollution
in Spartanburg, South
Carolina . A Cooperative
Study of the City of
Spartanburg, South
Carolina, The South
Carolina State Board of
Health and The Public
Health Service. 03512-J
1382
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Appraisal of the Air
Resource of Metropolitan
Baltimore. 03004-J
Appraisal of Epidemiologic
Data Concerning the
Effect of Oxidants,
Nitrogen Dioxide and
Hydrocarbons Upon Human
Populations. 16840-F
Appraisal of Rule 66 of
the Los Angeles County
Air Pollution Control
District. 11074-K
Approximate Thermodynamic
Functions for the NO?
(G) Ion (Technical
Report). 02508-M
Are Ambient Levels of
Oxidants Hazardous to
Biological Systems?
11045-F
Aromatic Hydrocarbons in
the Atmosphere of the
Los Angeles BAsin.
09598-J
Aromatic Hydrocarbons
Produced During
Combustion of Simple
Aliphatic Fuels.
01902-B
Artificial Radio-Activity,
Ozone and Volcanic
Dust as Atmospheric
Tracers in the Southern
Hemisphere, 06916-C
Aspects of Atmospheric
Chemical Reactions of
Atomic Oxygen. 03064-C
Aspects of the Photo-
chemistry of Nitrogen
Dioxide. 02368-D
Assessing the Health
Hazards of Gaseous Air
Pollutions, 02969-F
Asyirmetric Electronic
Transitions and
Photochemistry
(Final Technical
Status Report).
03522-M
Atlantic Richfield Nitric
Oxide Reduction System.
03061-E
Atlas of Aerosol At-
tenuation and Ex-
tinction Profiles
for the Troposphere
and Stratosphere.
07000-C
Atmosphere Control in
Closed Space Environ-
ment (Submarine).
00081-B
Atmosphere and Pollutants.
(Chapter V).
09764-M
Atmospheric Aerosol
Research at the
University of Washington.
11622-D
Atmospheric Air Pollution
With Sulfur Dioxide
from Mining Rock
Durops. 08161-J
Atmospheric Aldehydes
Related to Petunia
Leaf Damage. 0358S-G
Atmospheric Analysis by
Gas Chromatography.
00610-D
Atmospheric Analysis for
PAN. 00237-D
Atmospheric Attenuation
Model, 1964, in the
Ultraviolet Visible, and
Infrared Regions for
Altitudes to SO Km.
00086-C
Atmospheric Chemical
Reactions-Air Pollution.
12105-C
Atmospheric Contaminant
Peroxyacetyl Nitrate.
Acute Inhalation Toxicity
in Mice, 08334-F
Title Index
1383
-------
Atmospheric Contaminants
and Human Health.
07598-F
Atmospheric Contaminants and
Standards. 14772-L
Atmospheric Contaminants
and Standards: Are
Synergistic Effects
Significant? 11337-F
Atmospheric Diffusion in
Air Pollution Studies.
0Q095-C
Atmospheric Diffusion
Slide-Rule 09171-C
Atmospheric Emissions
from Fuel Oil Combustion.
00030-B
Atmospheric Emissions
from Nitric Acid
Manufacturing Processes.
05401-E
Atmospheric Emissions
from Nitric Acid Manu-
facturing Processes-
A Comprehensive
Summary, 01583-B
Atmospheric Energy Change
by Pollution of the
Upper Atmosphere,
07716-C
Atmospheric Gases and
Particulates in Panama.
01427-J
Atmospheric Ions and
Germination of
Uredospores of
Puccini a strifoims.
09317-C
Atmospheric Light
Transmission in a
Wisconsin Area.
06503-C
Atmospheric Nitric
Oxide Measurement
Techniques (Final
Report). 12437-D
Atmospheric Oxidation of
Sulfur Dioxide.
05378-M
Atmospheric Oxidatim
of SO, in Coal-
Burning Power Plant
Plumes. 02921-D
Atmospheric Ozone.
00285-C 07980-C
Atmospheric Ozone, An
Analytic Model for
Photochemistry in the
presence of Water
Vapor. 12634-C
Atmospheric Ozone and
Its Effect an Some
Vegetation Species.
04172-A
Atmospheric Ozone
Investigations at
Barrow, Alaska,
During 196S. 08311-D
Atmospheric Ozone
Measurements (Final
Report) 16516-D
Atmospheric Ozone
Tenperature Regime
According to Spectroscopic
Ground Observations,
041S6-C
Atmospheric Ozone and
Its Variations Con-
nected With Circulation
Over the Atlantic
Ocean. 01752-C
Atraospheric Photochemical
Reactions of Halogens
and Butyl Halides,
05613-M
Atmospheric Fhotooxidaticn
of the Ethylene-Nitric
Oxide System, 00001-M
Atmospheric Photoaxidation
of Olefins: The Effect
of Nitrogen Oxides.
03428-M
Atmospheric Photooxidation
1384
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
of Transbutene-2 and
Nitric Oxide. 02837-M
Atmospheric Pollution by
Oxidants and Its Effect
on Vegetation in a
Rural Environment.
10965-G
Atmospheric Pollution,
the Problem - an Overall
View. 01992-F
Atmospheric Physics and
Chemistry Study on
Pikes Peak in Support
of Pulmonary Edema
Research. 10682-C
Atmospheric Pollutants
and Their Analysis
(Special Report Smog
2). 02415-D
Atmospheric Pollution.
07264-C
Atmospheric Pollution
by Aeroallergens:
Meteorological Phase.
(Pinal Report) Vol. II,
Atmospheric Diffusion
of Ragweed Pollen in
Urban Areas. 04355-C
Atmospheric Pollution:
Its Measurement and
Some Effects on Paint.
07127-D
Atmospheric Pollution
by Nitrogen Oxides.
06872-J
Atmospheric Pollution by
Ozone: Its Effects
and Variability.
00102-C
Atmospheric Reaction
Studies Related to
Air Pollution.
00302-C
Atmospheric Reactions
of Propionaldehyda in
Air Mixtures. 0107S-M
Atmospheric Sanpling
for Aldehydes and
Eye Irritation in
Los Angeles. 05901-F
Atmospheric Survey of
Chilliwack, British
Colunfcia. 00802-J
Atmospheric Thermal
Oxidation in Nitric
Oxide. 02838-M
Atmospheric Transmission
of Light for Clear Air
and Fog in the Spectral
Region 0.35 to 1.10
Microns. 12171-M
Atmospheric Turbidity.
05282-C
Atomic Collision Processes
Relating to the Ionosphere.
0S253-M
Attempts to Prevent the
Fonnaticn of Pollutants
in the Exhaust Gases
of Two-Stroke Engines
and Diesel Engines by
Activating Combustion
Within the Engine.
02648-E
Auckland Air Pollution
Research Committee
(Seventh Annual Report,
for YeaT Ending Mar. 51,
1966). 03001-J
Auto Exhaust Standards
Will Tighten. 04417-E
Automated Analysis of
Phosphorus Containing
Canpomds in Biological
Materials. I. Quanti-
tative Procedure.
00627-D
Automated Laboratory
Procedures for the
Analysis of Air Pollutants.
00144-D
Automatic Analyses of
Certain Enzymes of
Smog Exposed Animals.
03296-D
Title Index
1385
-------
Automatic Analysis of
NO? in a Toxicology
Laboratory. D9906-D
Automatic Apparatus for
Determination of
Nitric Oxide and
Nitrogen Dioxide in
the Atmosphere.
03621-D
Automatic Chromatographic
Measurement of PAN,
11051-D
Automatic Colorimetric
Determination of Low
Concentration of
Sulphate for Measuring
Sulphur Dioxide in
Ambient Air. 02852-D
Automobile and Air
Pollution: A Program
for Progress.
07593-E
Automobile Pollution
Eradicator. 144G4-E
Automotive Air Pollution,
01484-B 01863-B
01868-B 03198-B
04315-B 03536-E
Automotive Air Pollution:
A Systems Approach,
07613-E
Automotive Emissions
After !tot and Cold
Starts in Summer and
Winter. 00271-B
Auxiliary Devices for
the Accelerated
Evaluation of Photo-
sedimentation Particle
Analysis, 01711-D
Availability and Evaluation
of Nonphotochemically
Reactive Primers and
Topcoats for Aerospace
Applications. 08557-B
B
Balloon Borne Infrared
Studies (Final Report).
00840-C
Balloon-borne Mass Spectrometer
Measurements of the Con-
stituents of the Atmosphere
to 28 Kilometers. 03022-C
Band Spectrum of Caxban
Monoxide. 04965-M
Basic Mechanisms of Photo-
chemical Aerosol Formation.
06632-C
Behavior of Nitric Oxide
During Electrostatic
Gas Purification,
03204-E
Behavioral Toxicology
Looks at Air
Pollutants. 12646-F
Behaviour of Products
of Protein Cleavage
and of Several Sugars
Toward Ozone,
10 788-A
Behaviour of Sulphur
and Cholorine Compounds
in Pulverized Coal
Fired Boilers.
16883-M
Bench Scale Reaction
System for Measuring
Atmospheric Smog
Potential, 07806-M
Benzo(a)pyrene and Other
Aromatic Hydrocarbons
Extractable from
Bituminous Coal. 01395-D
Bibliography of Meso-and
Micro-Environmental
Instrumentation.
04281-D
Biennial Variation in
Springtime Tenfwrature
and Total Ozone in
Extratropical Latitudes.
08625-C
Big Pollution Problem.
04381-A
1386
PHOTOCHEMICAL 0XI0ANTS AND AIR POLLUTION
i
-------
Biochemical Aspects of
Ozone Intoxication:
A Review. 09244-F
Biochemical Defense
Mechanisms Against
Pulmonary Irritants.
12402-F
Biochemical Effect in
Rats From Irritating
Air Contaminants.
00994-F
Biochemical Effects of
Air Pollutant Oxidants*
(Progress Report
September 1, 1965-
August 11, 1967) 07S05-M
Biologic Effects of Nitrogen
Dioxide (Chapter IX of
the Oxides of Nitrogen
in Air Pollution).
01S76-B
Biologic Effects of
Nitrogen Dioxide in
Relation to Air Quality
Standards. 06053-F
Biological Effects of
Atmospheres Con-
taminated by Auto
E>hau3t, 00473-F
Biological Effects of
Atmospheric Pollutants
and Hygienic Standards
for Atmospheric
Pollutants and Hygienic
Standards for Atmospheric
Pollutants Outside
the U.S.S.R.
11489-F
Biological Effects of
Ozone on Man and
Animals. 04323-F
Biological Effects of
Photochemical Air Pollutants
on Man and Animals.
00980-F
Biological Effects of
Urban Air Pollution.
10456-F
Biological Effects of
Urban Air Pollution.
Effects of Acute Smog
Episodes cn Respiration
of Guinea Pigs. 02277-F
Biological Effects of
Urban Air Pollution.
II. Chronic Exposure
of Guinea Pigs.
00779-F
Biological Effects of
Urban Air Pollution.
III. Lung Tumors
in Mice. 00639-F
Biological Mechanism of
Air Ion Action: The
Effect of (X>2 + in In-
haled Air on the Blood
Level of 5-Hydroxytryptamine
in Mice. 01957-F
Biometeorological Aspects
of Respiratory Diseases.
00521-F
Bio-Psycho-Sociological
Effects of the Environment
on Man (An Analysis of
Current Available Information).
06691-F
Blood Protein Amide
Nitrogen and its
Possible Diagnostic
Value in Intoxication
With Electro-Welding
Aerosol. 11916-F
Boiler Emissions and
Their Control. 00140-B
Boilers, Heaters, and Steam
Generators. 09833-B
Brain Potentials Studied by
Computer Analysis* 00632-F
Bronchitis and Air Pollution.
03708-F
Building Climatologyi List
of Literature. 09278-A
Title Indsx
1387
-------
c
Calculating Air Quality
and Its Control, 00739-J
Calculations of Colour and
Visibility in Urban
Atmospheres Polluted by
Gaseous 01396-C
Calculations of Reflected and
Transmitted Radiance for
Earth's Atmosphere. 09466-C
Calibration of Automatic
Analyzers in a Continuous
Air Monitoring Program.
02354-D
Calibration and Comparison
of Coulometric and
Flame Ionization for
Monitoring PAN in
Experimental Atmospheres.
08692-D
California Motor Vehicle
Emission Standards.
07625-B
California Standards for
Ambient Air Quality
and Motor Vehicle
Exhaust. 03007-L
03583-L
Capacity of Fibrous Paper
Filters to Retain Small
Atmospheric Radioactive
Ions. 04636-E
Caibon as a Carrier
Mechanism for Irritant
Gases. 02617-F
Carbon Dioxide as an
Indicator of Air
Pollution. 08301-J
Carbon Dioxide and Ozone
in the Arctic Atmosphere.
031S9-D
Carbcn Dioxide and Ozone
Studies in the Arctic
Atmosphere, 16618-C
Carbcn Filter Prevents
Ozone Fleck and Premature
Senescence of Tobacco
Leaves, 14966-G
Carbcn Formation From
Aromatic Hydrocarbons
II. 03986-M
Carbon Formation in Pre-
mixed Flames. 080S6-M
Carcinogenic Air Pollutants
in Relation to Automotive
Traffic in New York.
11028-J
Cardiopulmonaiy Re-
sponses to Acute Ozone
Exposure. The Role of
Histamine. 16055-F
Cardio-Respiratory Ef-
fects of PAN Inhalation
During Exercise.
12157-F
Case for Clean Air
(Special Report).
06146-K
Case of Nitrogen Oxide
Poisoning. 09232-F
Catalysis Studies for Air
Pollution Control
Part II: Catalytic
Decomposition of Nitric
Oxide Present in Low
Concentrations. 03798-E
Catalyst. 13579-M
Catalytic Activity of
Platinum in the Ifydrogenatian
of Nitric Oxide.
16167-M
Catalytic Activity of
Silver Crystals of
Various Orientations
After Bombardment With
Positive Ions. 16509-M
Catalytic Combustion of
Atmospheric Contaminants
Over Hopcalite, 03969-M
Catalytic Ccnfcustion of
CI to C3 Hydrocarbons. Q1241-M
1388
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
/
-------
Catalytic Combustion of
Hydrocarbons With
Capper Oxide. I. Methane,
Ethane, and Propane.
05250-E
Catalytic Confcusticn of
Carbon Monoxide cm
Copper Oxide (Effect
of Water Vapor).
03150-M
Catalytic Conbustion of
Hydrocarbons. IV,
Effect of Preparation
Method on Catalytic
Activity. 00101-M
Catalytic Deconpositicn
of Nitric Oxide, 04914-M
Catalytic Deconpositicn
of Nitrogen Dioxide.
00097-E 13683-M
Catalytic Deconpositicn
of Nitrous Oxide and
the Thermal Deconpositicn
of Nitrogen Dioxide.
06320-M
Catalytic Nitric Oxide
Reduction and Aimonia
Oxidation (IV).
13223-M
Catalytic Oxidation of
Hydrocarbons (An Approach
to Air Pollution Control).
03796-E
Catalytic Oxidation of
Nitric Oxide. Part I.
140S5-M
Catalytic Oxidation of
Sulphur Dioxide in
Solution at Concentrations
Occurring in Fog Droplets.
09426-C
Catalytic Reduction of
Nitric Oxide. 13S30-M
14603-M
Catalytic Reduction of
Nitric Oxide by Carbon
Monoxide, 00053-M
Catalytic Reduction of
Nitrous Gases During
the Manufacture of
Nitric Acid. 02051-E
Catalytic Removal of
Nitrogen Oxides Fran
Waste Gases of Nitric
Acid Plants. 14481-E
Catalyzed Nitric Oxide
Reduction With
Carbon Monoxide.
04618-E
Causes of the Formation
of Nitric Oxide in
the Carbonization of
Coals. 1S723-B
Causes, Importance and
Control of Nitrogen-
Oxygen Compounds in
the Field of Air
Pollution. 14196-E
Causes of Rapid Winter
Teuperature Variations
in the Arctic
Stratosphere. 04163-C
Cellulose Solutions in
Dimethyl Sulfoxide and
Nitrogen Dioxide.
13408-M
Changes in the NO7-
Absorption of trio
Respiratory Tract When
Exposing Rabbits to
NCQ Together With
Carbon Particles.
099S8-F
Changes in Transpiration
and Photosynthetic
Rates of Various
Leaves During Treatment
With Ozcnated Hexene
or Ozone Gas. 0S777-G
Characteristics of
Atmospheric Hydroscopic
Particulates Uhder
Changing Humidity Con-
ditions. 11310-C
Characteristics of the
Expansion of Reactive
Title Index
1389
-------
Gas Mixtures as
Occurring in Internal
Combustion Engine
Cycles. 01375-B
Characteristics and
Photochemical Reactivity
of Vehicular Emissions.
06300-B
Characteristics of Winter
and Summer Air
Circulation in the
Northern Hemisphere
Stratosphere, 04166-C
Charge an Latex Particles
Aerosolized From
Suspension and Their
Neutralization in a
Tritium De-Ionizer.
14331-M
Charging and Decay of
Monodispersed Aerosols
in the Presence of
Unipolar Ion Sources.
01704-M
Chemical Additives in
Petroleum Fuels:
Some Uses and Action
Mechanisms. 05300-E
Chemical Analyses of
Automobile Exhaust
Gases for Oxygenates.
00464-B
Chemical Analysis of
Aerosol Particles.
Method for the Deter-
mination of NO3 and
NH4. 08487-D
Chemical Aspects of
Atmospheric Pollution.
17260-A
Chemical Aspects of the
Photooxidation of the
Propylene-Nitrogen
Oxide System. 03858-C
Chemical Changes in
Respiratory Tissue
Following Ozone Exposure.
03269-F
Chemical Composition of
Cloud Water. 09438-C
Chemical Conposition of
Cloud WateT at Different
Microstructures of the
Clouds. 10227-C
Chemical Constitution and
Reactions of Coal. 13494-A
Chemical Determination of
Ground Layer Ozone at
Voeikovo. 04169-D
Chemical Equilibrium
Properties of Artmonia-
Air Combustion Products.
05248-M
Chemical and Isotopic
Equilibria Involving
Liquid and Gaseous
Nitrogen Oxides. 17040-M
Oiemical Linkage of the 3,
4-Benzpyrene to DNA VIA
Free Radical Reaction,
11802-M
Chemical Methodology in
Auto Exhaust Studies.
04796-D
Chemical Nature of the
Particulate in Ir-
Tadiated Automobile
Exhaust. 0S849-M
Chemical Ozone Content
Determination. 04151-D
Chemical and Physical
Characterization of
Polluted Environments,
Inhaled or Ingested,
and of Acoustical
"Nuisances", 02538-D
Chemical and Physical
Factors Affecting
Mammalian Ciliary
Activity, 08021-F
Chemical Pollution of
the Atmosphere. 17357-B
1390
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Chemical Pollution From
Transportation Vehicles.
08663-B
Chemical Reactions Induced
in Gases by Means of
a laser. 15115-M
Chemical Reactions in
Los Angeles Smog.
04988-C
Chemical Status of Nitrogen
Dioxide at Low Aerial
Concentration. 11738-D
Chemical Suppression of
Nitrogen Oxides.
0S151-E
Chemicals as Causes of
Cancer. 01692-F
CJiemi luminescence of
Hydrocarbon Oxidation.
00426-D
Chemi ltminescence Method
for Determining Ozone.
02188-D
Chemi luminescent N0--0-
Atom Reaction.
13540-M
Qiemisorption and Oxidation
of Sulfur Dioxide on
Solid Catalysts at Normal
Temperature. 13936-M
Chemistry of Air Pollution.
17195-M
Chemistry of Atmospheric
Oxidants. 11Q50-M
Chemistry of the in vivo
Reaction BetweenHemoglobin
and Various Oxides of
Nitrogen. 16066-F
Chemistry of Town Air.
04487-A
Chemistry of Urban Atmospheres.
05176-F
Chemo-Electrical Sensing
Device. 00092-D
Chemotherapy for Oxidant and
Ozcne Induced Plant
Damage. 05723-G
Chilliwack Respiratory
Survey, 1963: Part II.
Aerometric Study. 05652-J
Chiimey Plume Rise and
Dispersion. 06777-C
Chlorine Oxidation of
Sulfur Conpounds in
Dilute Aqueous Solution.
03807-M
Chlorine Photosensitized
Oxidation of Hydrocarbons
at Low Terrperature
(Final Technical Report)
04228-M
Oilorotic Dwarf of Eastern
White Pine Caused by
an Ozone and Sulphur
Dioxide Interaction.
17227-G
Chromatographic Location and
Colorimetric Determination
of Mereap tans, Prolines
and Free Radical Pre-
cursors. 04029-D
Chronic Bronchitis - the
English Disease.
03791-F
Chronic Bronchitis. A
Major Health Problem.
0799S-F
Gironic Ozone Poisoning.
10780-F
Chronic Toxicity of
Nitrogen Dioxide,
12079-F
Chronic Toxicity of
Nitrogen Dioxide. II.
Effect on Histopathology
of Lung Tissue.
16707-F
City Air - Better or
Worse? 03373-C
Title Index
1391
-------
Clean Air Act Amendments
and Solid Waste
Disposal Act of 196S
(P. L. 89-272).
0022S-K
Clean Air for California
(Initial Report of the
Air Pollution Study
Project, California
State Dept., of Public
Health). 03441-J
Clean Air for Chattanooga,
02840-J
Clean Air for Good Citrus,
03611-G
Clean Air Maintenance-
s' Irsportant Task for
Chemistry and Economy.
07535-A
Cleaner Air and the Gas
Industry (Part I),
05746-A
Cleaner Air for North
Carolina (A Survey and
Appraisal for Air
Pollution Problems).
03438-B
Cleaning of Industrial
Gases With. Precious (fatal
Catalysts. 15271-E
Cleveland Clinic Fire
Survivorship Study 1929-
1965. 10514-F
Clear Air Turbulence
Detection. 02268-C
Clearance From Alveoli to the
Ciliary Escalator: Im-
plications for Pulmonary
Diseases. 13525-M
Cleavage of Silanes by
Oxides of Nitrogen.
03179-M
Climate of Cities: A
Survey of Recent
Literature, 1S390-C
Climate: the Influence
of Aerosols. 1613J-C
Climates and Urban Plan-
ning. 11523-C
Clinical triplications of
Basic Research in Air
Pollution. 00515-F
Clinical Significance of
Dirty Air, 00218-J
Coherence of Iodine and
Bromine in the
Atmosphere of Hawaii,
Northern Alaska, and
Massachusetts, 03657-C
Collection and Analysis
of Odorous Gases From
Kraft Pulp Mills.
Part III: The Analysis
of Collected Pollutants
by Gas Chromatography.
08357-D
Collisions of Slow Negative
Ions With Charge Transfer.
1S380-M
Color Effects of Nitrogen
Dioxide in the Atmosphere
(Chapter VI of the Oxides
of Nitrogen in Air
Pollution). 01573-B
Colorimetric Determination
of Alkyl Nitrites.
05915-D
Colorimetric Determination
of Carbonyl Compounds in
Automotive Exhaust as
2,4-Dinitrophenylhydrazones,
18013-D
Colorimetric Determination
of Ozone by Diacetyl-
Dihydro-Lutidine.
088S9-D
Colorimetric Determination
of Vinyl Chloride in
the Air. 02135-D
Colorimetric Measurement
of Ozone, 10315-D
1392
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Colorimetric Method for
the Determination of
Oxides of Nitrogen.
03948-D
Colorimetric Microdetermination
of Nitrogen Dioxide in the
Atmosphere. 06613-D
Column Chromatography and
Spectroscopy in the
Analysis of Airborne
Polycyclies. 0743S-D
Combined Production of Iron-
Nitrogen Fertilizers and
Purification of Gases
From Nitrogen Oxides,
13662-E
Combustibles Versus Nitrogen
Fixation in Gas Engine
Operation and Lubrication,
01377-B
Combustion of Ammonia and
Air in a Well - Stirred
Reactor. 10522-M
Combustion Process Analysis.
11606-B
Combustion Products of
Diesel Fuel. I. The
F.ffect of an Ignition
Improving Additive cn
the Nitrogen Oxide and
Carbon Monoxide Content.
142S5-E
Garments on "The Secular
Increase of the World-
Wide Fine Particle
Pollution." 0508S-C
Commission on Earth, Water,
and Air Rotterdam.
14534-J
Commonwealth of Pennsylvania,
Department of Health,
Air Pollution Cotrmiss ion,
Ambient Air Quality
Criteria. 06734-K
Cormunity Air Quality Guides.
10731-F 12029-L
Community Control of Air
Pollution-Potentials and
Limits. 01017-J
Compact Pulsed Gas Laser
for the Far Infrared.
15184-M
Conparative Analysis of
deserved Planetary
Distributions of Ozone
and Certain Radioisotopes
in the Atmosphere.
04167-C
Conparative Procedure
for Evaluating Anti-
microbial Activity of
Gaseous Agents,
05294-F
Conparative Results for
the Thermal and
Electronic Activation
of Mixtures of Sulphur
Dioxide and Oxygen.
152S9-M
Comparative Studies of
90-Day Continuous
Exposure to O3, MO2
and CCL4 at Reduced
and Arrfoient Pressure.
11539-F
Comparative Toxicity Studies
on Animals Exposed Con-
tinuously for Periods
up to 90 Days to HO?,
03t and CC14 in Ambient
Air vs. 5PSIA 1001
Oxygen Atmosphere.
08026-F
Conparative Toxicity
Studies at Reduced and
Anfcient Pressures,
01346-F
Conparison Among Methods
of Sampling and
Analyzing Air Pollutants-
Design of Experimental
Program. 02745-D
Comparison Between the
Hydrocartons in
Automobile Exhaust
and Those Found in
Title Index
1393
-------
the Los Angeles
Atmosphere. D5097-B
Conparison Between the M-83
Standard Ozonometer and
an Ozonometer Equipped
With Narrcw-Band Inter-
ference Filters, 17351-D
Comparison of Computed and
Experimental Spectral
Transmissions Through
Haze. D8834-C
Comparison of the Con-
centration of Suspended
Particulate Matter and
Gaseous Pollutants
Between Indoor Air and
Outdoor Air in Urban
Area. 06192-J
Conparison of Conductivity
and West-Gaeke Analyses
for Sulphur Dioxide.
06369-D
Comparison of the Effect
of SCU, NO2, and 0* on
the Pulmonary Ventilation
of Guinea Pigs, 15680-F
Comparison of an Electro-
chemical and a Colori-
metric Determination
of Ozone. 07867-D
Comparison of Horseradish
Peroxidase and Manganese
Ions as Catalysts for
the Oxidation of
Dihydroxyfumaric Acid.
15457-M
Conparison of Meteorology
and Air Quality Between
Two Communities in
British Coluni)ia--A
Preliminary Report,.
G739Q-J
Conparison of Oxidative and
Reductive Methods for
the Microcoulcmetrlc
Determination of Sulfur
in Hydrocarbons. 17047-D
Comparison of Ozoncmetric
Instmnents Made at the
Main A. T. Voeikovo
Geophysical Observatory.
04162-D
Comparison Study of Various
Types of Ozone and Oxidant
Detectors Which are Used
for Atmospheric Air
Sanpling. 01266-D
Conpariscm of Three Methods
for Trace Analysis of
Polycyclies. 08644-D
Comparison of the Ventilatory
Effects of SOj and NO2-
Exposure of Human Volunteers.
17311-F
Compilation of Anfcient Air
Quality Standards and
Objectives, 01853-K
Complexity of the Relationship
Between Air Pollution and
Respiratory Health.
04588-F
Complicating Factors in
the Gas Phase Photolysis
of Azorrethane. 03559-M
Complying With Solvent
Control Legislation.
08556-K
Composition of Blcwby
Emissions. 02375-B
Composition of Exhaust
Gases From Diesel
Motors, Q8802-B
Composition of Exhaust
Gases From Gasoline
Engines. 10388-B
Composition of Natural
Fresh Air. 04546-J
Composition and Odor of
Diesel Exhaust, 00251-J
Composition and Reactions
of Pollutants in
Community Atmospheres.
11230-C 11635-C
14019-C
1394 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Computation of Multiple
Scattering in the
Turbid Atmosphere,
16391-M
Computation of the Scat-
tering Functions of
the Haze From Skylight
Measurements, Considering
the Miltiple Scattering.
11724-C
Confutations an Incomplete
Cantoustian. 08572-M
Computer Calculated Con-
centrations in the
Reactions of Nitrogen
and Oxygen. 13312-M
Computer Calculation of
Thermodynamic
Equilibrium of the
Combustion Products
of Metal-Oxidant
Mixtures. 1326 7-M
Conputer Evaluation of
Total Ozone Observations.
13020-M
Concentrating Dilute
Aerosols by Electro-
static Methods,
02899-M
Concentration and Distri-
bution of Irritants
in Polluted Atmospheres.
00499-F
Concentration of Hydrocar-
bon on Silica Gel Prior
to Gas Chromatographic
Analysis. 021S7-D
Concentration of Ozone
in the Atmosphere of
Certain American
Cities. 05111-J
Concentration of Ozone
in Surface Air Over
Greater Boston in
1965. 02832-J
Concentrations of Oxidant
(Ozone) and Nitrogen
Dioxide in the Air
of Cincinnati, Chio,
03714-J
Conclusions of the Symposium
on the Physico-Chemical
Transformation Sulphur
Compounds in the
Atmosphere and the
Formation of Acid
Smogs, Mainz/Germany,
June, 1967. 09087-M
Concurrent Determination
of Sulfur Dioxide and
Nitrogen Dioxide in
the Atmosphere.
06911-D
Condensable Impurities
in the Air of Los
Angeles and Vicinity.
05580-D
Condensation Nuclei-
Their Significance in
Atmospheric Pollution.
00236-C
Conditions for an Increase
in Tolerance Upon Re-
peated Inhalation of
Irritating Gases Which
Cause Pulmonary Edema.
07173-F
Conditions for the Possibility
of Isotope Enrichment by
a Photochemical Reaction,
15502-M
Conditions of Safe Oxi-
dation of Toluene by
Atmospheric Oxygen.
07518-C
Conical Probe for Sampling
Ions From High
Temperature Gases.
16085-D
Connection Between
Atmospheric Ozone and
Meteorological Con-
ditions. 04159-C
Consideration of Air
Quality Standards for
Vegetation With Respect
Title Index
1395
-------
to Ozone. 10674-G
Considerations in Establish-
ing Anibient Air Quality
Standards. 11734-K
Considerations of the
Feasibility of Control
of Oxides of Nitrogen.
15941-E
Considerations on the
Influence of Artifical
Electric Fields on the
Aerosol Content of
Interior Spaces.
02128-D
Considerations on the
Influence of Artifical
Electric Fields on the
Aerosol Content of
Interior Spaces. 02128-D
Considerations in Setting
Standards for Oxides of
Nitrogen. 01400-B
Contaminant Concentrations
in the Atmosphere of Los
Angeles County.
O5U0-J
Contaminant Control in
Space Cabins: Approach
and Results. 09238-C
Contaminant Generation
and Techniques. 03812-F
Contaminant and Weather
Svmmary, November 1967.
08722-J
Contaminants in Flue
Gases-and Methods for
Removal. 01362-B
Contaminants Standards.
11241-F
Content of the Atmospheric
Nitrogen Dioxide in
the Stburb of Tokyo,
04562-J
Content of the Products of
the Radiolysis of Air
in the Working Chambers
of a Powerful Gamma
Unit. 07478-J
Continental Report:
Europe, 05128-K
Continuous Air Monitoring
Program. 02174-K
Continuous Air Monitoring
Program in Cincinnati,
1962-1963. 00929-C
Continuous Air Monitoring
Program in Washington,
D. C. (1962-1963).
01871-D
Continuous Automatic
Apparatus for
Determination of
Sulfur Dioxide
in the Atmosphere or in
Complex Gas Mixtures.
00387-D
Continuous Control of Air
Pollution With Industrial
Analyzers. 09234-D
Continuous Determination of
Nitric Oxide and Nitrogen
Dioxide in the Atmosphere.
03245-D
Continuous Determination of
Nitrogen Dioxide in the
Air With an Autoanalyzer.
14213-D
Continuous Determination of
NO, and (NO + NO,) Con-
centration in Chemical
Plants. 09721-D
Continuous Determination of
Ozone Concentration in
Gas Mixtures by Means
of Its Heat of Dis-
sociation. 15334-D
Continuous Determination of
Traces of SCh in Air,
Using WateT as the Absorbing
Solution. 11043-D
Continuous Gas Monitoring
of tfrban Air by the
1396 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
U.S.P.U.S. 12147-J
Continuous Mass Spectrometric
Analysis of Automotive
Exhaust for Nitric
Oxide. 12004-D
Continuous Mass Spectro-
metric Determination of
Nitric Oxide in Automotive
Exhaust. 00160-D
Continuous Measurement of
Hydrogen, Methane, and
Hydrocarbons in the
Atmosphere, 15200-D
Continuous Measurement of
Oxides of Nitrogen in
Auto Exhaust. 05609-D
Continuous Monitoring of
Aerosols Over the
0.001 - to - 10-Micron
Spectrum. 10296-D
Continuous Monitoring of
Anfcient Atmospheres
With the Techniccn
Autoanalyzer. 00977-D
Continuous Monitoring of
Diesel Exhaust Gas
for Carbon Dioxide,
Carbon Monoxide,
Oxygen, Methane, and
Nitrogen Oxides.
15484-D
Continuous Monitoring
of Methane and Other
Hydrocarbons in Urban
Atmospheres. 01828-C
Continuous Monitoring
of Traces of SO?
in Air on the Basis
of Discolouration of
the Starch-Iodine
Reagent With Prior
Elimination of
Interfering Compounds,
01432-D
Continuous Ozone
Measurement in a
Heavily Travelled
Street. 11627-J 1S5S7-J
Continuous Parts Per
Billion Recorder
for Air Contaminants,
08674-D
Continuous Polarographic
Analyzers. I. The
Dropping Mercury
Electrode as a
Reference Electrode.
10406-D
Continuous Recording of
Air Pollutants and Their
Effects on Bearing
Citrus, 06459-G
Continuous Recording of
Sulfurous Gases Con-
centrations in Flue
Gases. 01071-D
Contribution of Burning of
Agricultural Wastes
to Photochemical Air
Pollution. 01076-B
Contribution to the
Hygienic Assessment of
Atmospheric Ozone,
10623-F
Contribution of Local
Administrations in the
Fight Against Atmospheric
Polluticn, 03850-K
Contribution to the
Polarization of the
Sky Radiation. 11597-C
Contribution to the Study
of the Intoxication by
Ozone, 10790-F
Contribution to the Study
of Peroxidation of
Nitrogen Oxide-III (The
Increase in the Speed
of Nitrogen Oxide
Peroxidation at Vety
Law Temperatures).
0S628-M
Contributions to the Study
of Ionization as an
Environmental Factor and
its Effect on the Body,
08276-F
Title index
1397
-------
Contributions to the
Thermochemistry of
Sulfur, III. 14188-M
Control of Air Pollution.
01645-E
Control of Air Pollution
Caused by Exhaust Gas
of Automobiles. 17327-B
Control of Air Pollution
From Large Thermal Power
Plants. 04200-E
Control of Air Pollution
From Oil-Burning Power
Plants. 13394-E
Control of Air Pollution
Originating From Federal
Installations and Standards
by the Secretary of Health,
Educationj and Welfare
Implementing the Objectives
Prescribed by the Order.
00206-K
Control of Automobile Emis-
sions. (Ford Crankcase
Emissions Control System.
Ford Theimactor System
for Exhaust Control.)
00171-E
Control of Environrnent-
Eccnomic and Technological
Prospects. 00526-J
Control of Gaseous
Pollutants. 10017-Ii
Control of Nitrogen Oxide
Emissions From Nitric
Acid Manufacturing
Processes. 04310-B
Control of Nitrogen Oxides
in Boiler Flue Gases by
Two-Stage Combustion.
0S8S7-E
Control of Nitrogen Oxides
by Exhaust Recirculation-
a Preliminary Theoretical
Study. 09340-E
Control of Organic Solvent
Emissions in Industry.11033-E
Control of Photochemical
Smog by Alteration of
Initial Reactant Ratios.
01504-C
Control of Solvent Emissions.
08345-E
Control of Stationary
Sources. 00107-E
Controlled Addition of
Experimental Pollutants
to Air. 10672-D
Controlled Endo-Exothermic
Oxidation of Industrial
Wastes. 04838-E
Controlled Environment System
for Air Pollution Studies.
06S99-D
Controlling Corrhustible
Emissions. 08055-B
Cooperation on Instruments
and Measuring. 05562-J
Copolymerisation of Benzyl
Vinyl Sulphide With
Sulphur Dioxide, 16609-M
Coriolis Interaction in the
NU, and NU, Fundamentals
or Ozone. 03149-M
Cork Formation in Table Beet
Leaves (Beta vulgaris] in
Response to Smog. {T3695-G
Correlations Between
Spectroscopic and
Photochemical Processes.
00602-C
Cost Estimating. Air
Handling Equipment for
Contamination Control.
10985-I
Covert Pathogenesis of
NO, Induced Emphysema
in the Rat. 01040-F
Criteria For Air Quality
and Methods of Measurement.
06948-J
1398 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Criteria and Methods for
Establishing Maximum
Permissible Concentrations
of Air Pollution.
01916-F
Current Methods of
Commercial Production
of Nitrous Oxide,
16699-E
Current Research on
Atmospheric Sulphur
Compounds and Their
Transformations.
07456-C
D
Damage to Eastern White
Pine by Sulfur Dioxide,
Semimature- Tissue
Needle Blight and
Ozone. 02313-G
Damage to Forests From
Air Pollution 01014-G
Damage to Vegetation From
Polluted Atmospheres.
03612-G
Data Acquisition System
in Air Quality. 06723-J
Data on the Chemical
Composition of Atmospheric
Aerosols in Central Asia.
16458-C
Deactivation of 0 (D) by
Molecular Oxygen.
15470-M
Decomposition of Ammonium
Nitrate in the Atmosphere.
17043-M
Decomposition of Nitric
Oxide by Heating With
Metals. 13930-M
Defining the Problem of Air
Pollution in Metropolitan
Birmingham, Alabama.
07448-J
Definition of the Problem
and Significance of Air
Pollution From Petrol-
Engined Vehicles (Part I
of Atmospheric Pollution:
A Survey of Some Aspects
of the Emissions From
Petrol-Engined Vehicles
and Their Treatment),
02635-B
Degree of Ellipticity of
Polarized Light Dispersed
in the Atmospheric
Air as a Tool for
Studying the Microstructure
of Aerosols, 10585-D
Denver Metropolitan Area
Air Sampling Survey.
05200-J
Deposition of Unipolar
Charged Particles in the
Lungs of Animals.
0145S-F
Depression of Running
Activity in Mice by Ex-
posure to Polluted Air.
11307-F
Design of Azo-Dye Reagents
for NitTogen Dioxide
Analyses. 009S6-D
Design Considerations of
a Photochemical - Atmosphe re
Environmental Test
Facility. 03401-K
Design of a Household Survey
for Air Pollution Research
Nashville Morbidity
Survey, 02781-F
Design and Operation of
a Municipal Air
Pollution Survey.
00666-J
Design and Operation
of a Photoionization
Detector for Gas
Chromatography,
09573-D
Design Parameters and
Performance of a
Title Index
1399
-------
Miniaturized Colori-
metric Recording Air
Analyzer. 01021-D
Design of a Simple Plant
Exposure Chanfeer.
08843-G
Desulfurizing Effect of
Ozone of Light
Petroleum Distillates,
13029-E
Detecting Hypersusceptibility
to Toxic Substances an
Appraisal of Sinple
Blood Tests. 02213-F
Detection and Determination
of Higher Oxides of
Nitrogen. 07938-D
Detection and Lifetime of
Enol-Ace tone in the
Photolysis of 2-Pentanone
Vapor. Q1961-M
Detection and Liquid
Crystal Gases (Reactive
Materials). 04458-D
Detection of Low Levels
of Tetra Fluorohydrazine
in Ait. 08Q77-D
Detection and Measurement of
Air Pollutants by
Absorption of Infrared
Laser Radiation. 11030-D
Detection and Measurement
of Inflatnnable Vapours
in Aircraft, 06471-D
Detection and Prevention
of Air Pollution in the
USSR. 03205-D
Detection of Smog Forming
Hydrocarbons in Auto-
mobile Exhaust Gases
Using Plants as Indicators.
03584-B
Detection of Sulphur-
Coiqpaunds tVith Fluorescein-
1,3,6,8-Tetramercuri-
tetraacetate. 07648-D
Determination of the
Absorption Function for
the 9.6 and 4.7 Micron
Ozone Bands, With
Consideration of Their
Fine Structure. 17301-M
Determination of Acidic
Gases in Working En-
vironments by Alkali
Filter Paper. 14486-D
Determination of Acrolein
and Vinyl-Butyl Ether in
the Air. 11903-D
Determination of Aldehydes
in Automobile Exhaust Gas.
09341-B
Determination of Chlori-
nated Hydrocarbons in
the Air by the Method
of Micro-Combustion.
08136-D
Determination of Con-
centration and Size
of Particulate Matter
by Light Scattering
and Sonic Techniques.
04968-D
Determination of the
Degree of Oxidation
of Brown Coal by
Measurement of Liberated
Hydrocarbons. 11842-D
Determination of 4,4*
Diphenylme thane
Dusocyanate in Air
Under Experimental
Conditions. 03924-D
Determination of Ethyl
Benzene and Styrene
in Air by Ultraviolet
Spectrophotometry.
10772-D
Determination of Ethylene
Oxide in the Atmosphere.
05383-D
Determination of Formalde-
hyde in Gas Mixtures
by the Chronotropic
Acid Method. 03680-D
1400
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Determination of Gaseous
Air Pollutants.
07482-D
Determination of H?S
Exposure by Dynamic
Sampling With Metallic
Silver Filters, 06385-D
Determination of the
Mass of H20 and
O3 in Various Atmospheric
Layers. 01758-C
Determination of Mean
Atmospheric Densities
From the Explorer IX
Satellite. 01610-C
Determination of Nitrate.
00348-D
Determination of Nitric
Oxide in Atmospheric
Air. 14837-D
Determination of Nitric
Oxide in a Nitric
Oxide-Nitrogen System
by Gas Chromatography *.
0491S-D
Determination of Nitrogen
Dioxide in Air.
07114-D
Determination of Nitrogen
Oxides in the Air.
04555-D
Determination of Nitrogen
Oxides in Auto Exhaust.
04857-D
Determination of Nitrogen
Oxides in Small Con-
centrations. Q3218-D
Determination of Olefins
in Conbustion Gases and
in the Atmosphere.
021S8-D
Determination of Oxidants
in the Atmosphere.
15621-D
Determination of Oxides of
Nitrogen in Reactor
Loop Cover Gas. 11755-D
Determination of Ozone in
an Industrial Environment.
10100-D
Determination of Ozone in
the Presence of Nitrogen
Dioxide and Hydrogen
Peroxide. 08135-D
Determination of Small
Quantities of Nitric
Oxide and Nitrogen
Dioxide in Nitrogen
by Gas Chromatography,
04900-D 03402-D
Determination of Small
Quantities of Phthalic
Anhydride in the Air
of Industrial Premises,
08133-D
Determination of Sulphate
Ions in Natural Waters
and Atmospheric
Precipitation. 17347-D
Determination of Sulfur
in Organic Compounds.
02874-D
Determination of Sulfur
Oxides in Stack Gases
by the Arsenazo III
Method. 07364-D
Determination of Vertical
Distribution of the
Dust Extinction Coefficient
by Li ght- Scattering
Measurements up to
2,440 M. Altitude.
08284-D
Determination of the
Vertical Profile of
Atmospheric Gases by
Means of a Ground
Based Optical Radar.
05190-D
Determination of Vinyl
Chloride in the Air,
07146-D
Determining Reduced-Emission
Title Index
1401
-------
Goals Needed to Achieve
Air Quality Goals—A
Hypothetical Case. 06188-K
Determining Source Reduction
Needed to Meet Air Quality
Standards. 00110-J
Development of Air Con-
taminant Emission Tables
for Nonprocess Emissions.
00673-B
Development of Air Quality
Criteria, 05037-L
Development of an Atmospheric
Monitoring System
(Final Report) 06279-D
Development and Design of
an Isotope-Heated Catalytic
Oxidizer Trace Contaminant
Control System. 14821-E
Development of an Ex-
traction Plant for the
Elimination of Blasting
Fumes. 14955-E
Development of an Instrument
for the Detection of
Hazardous Vapors. 0440S-D
Development of a Large-Ion
Coulter of High Sensitivity.
07655-D
Development of an Ozone
Analyzer for Use in Air-
craft. 06984-D
Development of an Ozone
Sensor for Atmospheric
Sounding. 02518-D
Development of a Simple
Auto Exhaust Analyzer.
16616-D
Development of the Theoretical
and Technological Pre-
requisites to Field
Investigation of Particulate
Agent Behavior. Volume III.
Test Technology Development.
09113-C
Developmental Study of the
Leaves of Nicotiana
Glutinosa as Related
to their Smog-Sensitivity.
03696-G
Developments in Micro-
meteorological Studies
of the Atmosphere.
04991-C
Developments Towards the
Remote Sensing of
Vapours as an Airborne
and Space Exploration
Tool. 05191-D
Diesel Engine Pollutants.
Part I. Identification,
14607-D
Diesel Exhaust Composition
and Odor Studies.
02786-D
Diesel Exhaust Composition,
Odor and Eye Irritation
(Progress Report May 1,
1962 to Feb. 15, 1963.)
03542-D
Diesel Exhaust Gases.
06280-B
Diffraction Size-Frequency
Analyzer With Automatic
Recording of Size-
Frequency Distributions
and Total and Respirable
Surface Areas. 03888-D
Diffuse Reflection and
Transmission by Cloud
and Dust Layers. 11280-C
Diffusion Resistance at,
and Transpiration Rates
From Leaves in situ
Within the Vegetative
Canopy of a Com Crop.
03163-G
Digest of Municipal Air
Pollution Ordinances.
03353-K
Dilution System for Lew
Concentrations of Nitrogen
Dioxide and Determination
of the Saltzman Factor. 15521-D
1402
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Dinitrogen Trioxide. I.
Stability in the Gaseous
Phase. 13448-M
Direct Correlation of Air-
Polluting Ozcne and
Tobacco Weather Fleck.
05279-G
Direct Reading Physical
Instrumentation. 02302-D
Direct Spectrophotometry
Determination of Airanonia
in Precipitation. 06919-D
Direct Spectroscopic
Determination of Nitric
Oxide in Reciprocating
Engine Cylinders.
09315-D
Discussion of the Moeller
Radiation Chart.
01103-C
Discussion on Respiratory
Disease and Pollutant
Exposures. 08234-F
08238-F
Discussion on Trends in
Air Pollution. 08237-A
Diseases of Crops and
Ornamental Plants
Incited by Air
Pollutants. 12042-G
Diseases of Forest and
Tree Crops Caused by
Air Pollutants.
12043-G
Dispersion and Deposition
of Air Pollutants Over
Cities. 03381-C
Dispersion and Disposal
of Organic Materials in
the Atmosphere. 01391-G
Dispersion of Nitrogen.
04407-M
Dispersion Staining.
Part I - Theory,
Method and Apparatus.
03474-D
Disproportionat icn of
Nitric Oxide Using
Crystalline Zeolites
as Catalysts. 13558-M
Dissociation of Gaseous
Compounds by Electrically
Induced Glowing.
16218-M
Dissociation of Molecules
in a Strong Radiation
Field, 14909-M
Distinction Between
Injury to Tree Leaves
by Ozone and Mesophyll-
Feeding Leafhoppers.
14063-G
Distribution of Con-
taminants in the Los
Angeles Basin Resulting
From Atmospheric
Reactions and Transport.
16846-C
Distribution and Effects of
Automotive Exhaust Gases
in Los Angeles. 07623-B
Distribution of Light
Hydrocarbons in Ambient
Air. 16843-J
Distribution of Ozone
Pollution in the Salt
Lake Valley: A Preliminary
Geographical Study,
15545-C
Distribution of Several
Volatile Toxic Products
Which are Indicators
of Air Pollution in the
City of Cagliari. Note I.
Nitrogen Dioxide, 08297-J
Distribution of Vehicular
Air Pollution in the
United States, 01830-J
Diurnal Course of Atmospheric
Ozone. 04161-C
Dry Process for the Removal
of Nitrogen Oxides From
Waste Gas Streams in
Title Index
1403
-------
Nitric Acid Manufacture.
00959-E
of Hordeum vulgaris.
00785"^
Dust Measurement and He-
cording by the Method of
Small Ion Accumulation.
10816-D
Dynamic Flow Gassing
Chanber for Toxicology
Studies Kith Special
Reference to its Use
With NO2. Q9937-F
Dynamic Irradiation Chanber
Tests of Automotive
Exhaust. 00068-D
Dynamic Irradiation Chamber
Tests of Automotive Ex-
haust. Part I. 02244-B
Dynamic Model of
Photochemical Smog,
15310-B
E
Easily Controllable Air
Pollution Source:
Naphtha Engines.
07690-B
Eastern White Pine-Evergreen
Monitor of Air Pollution.
05560-G
Ecological Factors In-
fluencing Plants as
Monitors of Photochemical
Air Pollution. 00242-C
Economic Aspects of Air
Pollution as it Relates
to Agriculture. 05422-G
Economic Effect of Ozone
on Home Maintenance
Costs in the Los Angeles
Basin. 11815-1
Economics of Heat Recovery
in Direct-Flame Fume
Incineration. 07921-E
Effect of Abnormally
Low Concentrations of
Air Ions on the Growth
Effect of Aeroicnization
on the Iimunobiological
Reactivity of the
Organism Under Conditions
of Chronic Carbon Monoxide
Poisoning. 10928-F
Effect of Air-Bome
Oxidants cn Biological
Activity of Indoleacetic
Acid, 06499'G
Effect of Air Containing 02
Minus, O7 Plus, CO2 Minus,
and CO? Plus on the Growth
of Seedlings of ItoTrifllBTl
vulgaris. 00604-G
Effect of Air Ions on IAA
Content of Barley
Seedlings, 00601-G
Effect of Air Ions on Light-
Induced Swelling and
Dark-Induced Shrinking
of Isolated Chloroplasts.
15382-G
Effect of Air Ions on
Submicron Ti Bacteriophage
Aerosols. 00418-D
Effect of Air Pollutants on
Cell Wall Metabolism.
006S4-G
Effect of Air Pollutants
on Cells in Vitro.
06840-F
Effect of Air Pollutants
on Dyed Fabrics, 02941-H
Effect of Air Pollutants
cn Respiratory Infection.
01785-F
Effect of Air Pollutants
cn the Skin. 01077-F
Effect of Air Pollution on
Alteration of Susceptibility
to Pulmonary Infection.
07847-F
Effect of Air Pollution on
1404
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Wildlife. 04544-G
Effect an the Atmosphere
When Automotive Exhaust
Emissions are Controlled.
11603-B
Effect of Atmospheric Haze
on Infrared Radiative
Cooling totes. 01412-C
Effect of Atmospheric Ions
on the Respiratory
System of Infants.
02122-F
Effect of Atmospheric
Pollutants an
Susceptibility to
Respiratory Infection.
I. Effect of Ozone.
00738-F
Effect of Atmospheric
Pollutants on
Susceptibility to
Respiratory Infection,
II. Effect of Nitrogen
Dioxide. 00933-F
Effect of Automobile
Exhaust Gas Emission
on Air Pollution.
16135-B
Effect of Basic Physico-
chemical Factors an
Rate of Absorption of
Nitrogen Oxides by a
Solution of Calcium
Hydroxide in Mechanical
Absorbers With a
Large Number of Rotations.
Part II. 13688-M
Effect of Certain Metallic
Cations on the Iodide
Uptake in the Thyroid
Gland of Mice.
13446-F
Effect of Circulation
Conditions on the
Distribution of Total
Ozone in the Artie.
0416S-C
Effect of Continuous
Law-Level Exposure
to Nitrogen Dioxide.
12173-F
Effect of Electrical Dis-
charges cn Sublimation
Condensation. 0749S-M
Effect of Engine Exhaust
on the Atmosphere When
Automobiles are Equipped
With Afterburners.
0326S-B
Effect of Exposure to the
Mixture of SO2 and NO2
cn Ventilatory Functions
of Guinea Pigs. 1705S-F
Effect of Gasoline Hydro-
carbon Composition an
Automotive Exhaust
Emissions. 11835-B
Effect of Halogen Compounds
on the Molecular Spectra
of Air. 12240-D
Effect of Hydrocarbon Type
of Reactivity of Exhaust
Gases. 10129-M
Effect of HC/NOX Ratio on
Photochemical Reactivity
of Auto Exhaust. 11771-M
Effect of Initial Concentration
of Reactants on the
Biological Effectiveness
of Photochemical Reaction
Products. 04650-F
Effect of Interfering Sub-
stances and Prolonged
Sampling on the 1,2-Di-
(4-pyridyl) Ethylene
Method for Determination
of Ozone in Air. 05537-D
Effect of Ionized Air
an the Functional
Mobility of the Skin
Cold Receptors, 13248-M
Effect of Ionizing Radiation
on the Composition of
the Air Within a Factory,
06867-E
Effect of Lead Deposits
Title Index
1405
-------
on Activity of Automotive
Exhaust Catalysts,
00015-E
Effect of Light Atmospheric
Ims cm the Ciliary
Activity of the
Tracheal Mucous of
Sheep and Rabbit in
Yitfo. 16302-F
Effect of Light on
Predisposeing Plants
to Ozone and PAN
Damage. 02916-G
Effect of Local Meteorological
and Climatological Factors
on the Response to Air
Pollution, 04335-C
Effect of Lav Concentration
of Ozone on the Enzyme
Catalase, Peroxidase,
Papain and Urease.
03626-G
Effect of U*r Concentrations
of Ozone on Pulmonary
Function in Man, 00794-F
Effect of Low-Level Ozone
Fumigations cm Crcwn
Rust of Oats, 12149-G
Effect of Mixture Quality
on Exhaust Emissions
From Single-Cylinder
Engines, 12392-E
Effect of Necmtal Hiymectomy
on the Development of Ozone
Tolerance. 08100-F
Effect of Nitric Oxide and
Hydrogen Sulphide en
Radiation Sensitivity of
Spores of Bacillus
mepaterium in Suspension.
menate
TSfe
Effect of Nitric Oxide,
Nitrogen Dioxide» or Ozone
on Blood Car&oxyhcrjojtlobin
Concentrations During Low-
Level Carbon Monoxide
Exposures. 01168-F
Effect of Nitrogen Dioxide-
Nitrogen Tetroxide on
Oxyhemoglobin Dissociation,
08668-F
Effect of Nitrogen Dioxide
on Resistance to
Respiratory Infection.
03853-F
Effect of NO, on Resistance
of Squirrel Monkeys to
K. pneumoniae Infection.
Effect of Wh on S02 Deter-
mination Using Pararosaniline.
06832-D
Effect of Nitrogen Nutrition
on the Response of Tobacco
to Ozone in the Atmosphere.
03092-G
Effect of Nucleating
Particulates on Photochemical
Aerosol Formation.
02412-M
Effect of Organic Materials
in the Atmosphere on
Vegetation, 05844-G
Effect of Oxygen on
Radiation Induced Free
Radicals in Proteins.
16070-M
Effect of Ozonation Upon
Aromatic Hydrocarbons,
Including Carcinogens,
10637-E
Effect of Ozone on Body
Ten^ierature Regulation
in the Rate, 02811-F
Effect of Ozone and
Cigarette Smoke an
Lung Function. 00672-F
Effect of Ozone on Lipid
Peroxidation in the Red
Blood Cell. 04317-F
Effect of Ozone on Lipid
Production in the Fungus
He lminthosporiun
satiruuu 15535-G
1406
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Effect of Ozone on Mouse
Blood in Vivo. 06608-F
Effect of Ozone and
Ozonated 1-Hexene on
Respiratory and
Photosynthesis of
Leaves, 03627-G
Effect of Ozone on
Stomatal Aperture and
Transpiration. 16273-G
Effect of Peroxyacetyl
Nitrate on C14O2 fixation
by Spinach Cfilorqplasts
and Pinto Bean Plants.
04576-G
Effect of PAN on Certain
Photosynthetic Reactions.
00655-G
Effect of Peroxyacetyl
Nitrate on Growth and
Cell Wall Metabolism
of Avena coleoptile
Sections. 06500-G
Effect of Peroxyacetyl
Nitrate on Plants.
12034-G
Effect of Photochemical
Oxidants on Materials,
04320-H
Effect of Photochemically
Produced Oxidants at
Growth of Avena coleoptile
Sections. 564&8-G
Effect of Possible Smog
Irritants of Human
Subjects. 02533-F
Effect of Pressure and
Electric Field on the
Charging of Aerosol
Particles. (Section
III), 11783-M
Effect of Recycling Com-
bustion Products on
Production of Oxides
of Nitrogen, Carbon
Monoxide and Hydrocarbons
by Gas Burner Flames. 07881-
Effect of Salinity on
Susceptibility of Sun-
flower Plants to Smog.
16974-G
Effect of Shade on
Atmospheric Oxidants
(Smog) 15740-J
Effect of Smog on the
Anatomy of Oat Leaves.
03700-G
Effect of Smoke on City
Light. 07310-C
Effect of Solar Radiation
on the Presence of
3,4-Benzopyrene in
Industrial Exhausts,
08485-J
Effect of Stratospheric
Dust on the Color of
the TWilight Sky.
12077-C
Effect of Tenperature on
Photochemical Oxidant
Production in a Bench
Scale Reaction System.
01579-M
Effect of Tenperature on
Photochemical Smog
Reactions, 00034-M
Effect of Temperature and
HI on the Rate of
Reaction of Carbon
Monoxide and Oxygen
With Red Blood Cells
in Normal and Anemic
Subjects, and the
Effect of Hypoxia cm
Pulmonary Diffusion
of CO in Normal and
Anemic Subjects,
10071-F
Effect of Uiban Fog Upon
Cultivated Plants.
00235-G
Effect of Various
Bivalent Cations
and Chelating
Agents on the Oxidative
Title Index
1407
-------
Decarboxylation of
Alpha-Keto Acids.
13324-M
Effect of Visible and
Ultraviolet Light
on the Palladium-
Catalyzed Oxidation
of Caitocxn Monoxide.
17389-M
Effect of Xenon, Krypton
and Nitrous Oxide on
Sodium Active Transport
through Frog Skin With
Additional Observations
in Sciatic Nerve Con-
duction. 15794-F
Effectiveness of Organic
Solvents in Photochemical
Smog Formation (Solvent
Project, Final Report)
0187S-M
Effectiveness of Sanitary
Clearance Zones Between
Industrial Enterprises
and Residential Quarters.
08194-K
Effectiveness Study of
Reflective Clouds.
08758-C
Effects of Acute Controlled
Exposure to NO- on
Mechanics of Breathing
in Healthy Subjects,
17061-F
Effects of Acute Hydrogen
Fluoride and Nitrogen
Dioxide Exposures on
Citrus and Ornamental
Plants of Central
Florida. 17109-G
Effects of Air Contamination
on Health: A Review.
08511-F
Effects of Air Ions on
Brain Levels of Serotonim
in Mile. 1S7ZS-F
Effects of Air Pollutants.
03628-G
Effects of Air Pollutants on
Apparent Photosynthesis
and Water Use by Citrus
Trees. 072S5-G
Effects of Air Pollutants
on Cells in Culture.
00665-F
Effects of Air Pollutants
on Growth, Leaf Drop,
Fruit Drop and Yield
of Citrus Trees. 11407-G
Effects of Air Pollutants
on Organisms Other Than
Man. 02371-G
Effects of Air Pollution
on Animals. 03394-F
Effects of Air Pollution
cn Crops and Live Stock.
0SS58-G
Effects of Air Pollution
on Dyed Fabrics,
00115-H
Effects of Air Pollution
on Edible Crops.
00316-G
Effects of Air Pollution
on Human Health,
00308-F 03115-F
05913-F
Effects of Air Pollution
on Military Personnel
in Japan (First Annual
Progress Rept.-Period
Ending 30 June 1962).
02420-F
Effects of Air Pollution
on Military Personnel
in Japan. 06635-F
Effects of Air Pollution
on Plants, 02537-G
0339S-G
Effects of Air Pollution
on Plants and Soil.
11157-G
Effects of Air Pollution
1408
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Property Damage and
Visibility. 12170-1
Effects of Air Pollution
and Temperature on
Residents of Nursing
Homes in the Los Angeles
Area. 03252-F
Effects of Air Pollution
on Vegetation. 12155-G
Effects on Animals of
Exposure to Auto
Exhaust. 03076-F
Effects of Atmospheres Con-
taminated With Irradiated
Automobile Exhaust on
Reproduction of Mice,
02332-F
Effects of Atmospheric
Ozone on the Bacterial
Population of Suban-
tarctic Biotope. 13058-F
Effects of Automotive Ex-
haust on Pulmonary
Function. 00617-F
Effects of Cells in Vitro.
16705-F
Effects of Certain Aromatic
Hydrocarbons in the Air,
11476-D
Effects of Chronic Exposure
to Low Levels of Air
Pollutants on Pulmonary
Function in the Beagle.
11632-F
Effects of Gironic Nitrogen
Dioxide Exposure on Dogs:
I. Histopathology of
the Lung, 10490-F
Effects of Continuous Ex-
posure of 0,8 ppm NO2
on Respiration of Rats.
02483-F
Effects of Continuous High
Level Nitrogen Dioxide
an Hamsters, 14081-M
Effects of Design and
Fuel Moisture on
Investigator
Effluents. 06086-B
Effects of Diesel Ex-
haust, 00650-F
Effects of Emissions of
Organic Solvents on
Los Angeles Photo-
chemical Smog.
03270-F
Effects of Engine Exhaust
on the Atmosphere When
Automobiles are
Equipped With
Afterburners. 00087-D
Effects of Environment
Upon Respiratory
Function, II. Daily
Studies in Patients
With Chronic Obstructive
Disease, 03083-F
Effects on Experimental
Animals of Long-Tern
Continuous Inhalation
of Nitrogen Dioxide.
06201-F
Effects of Fuel Olefin
Content on Composition
and Smog Forming
Capabilities of
Engine Exhaust.
03760-B 03761-B
Effects of Gaseous Air
Pollutants on the
Response of the Thomas
S02 Autometer. 05078-D
Effects of Gaseous
Pollutants on Human Health,
16542-F
Effects of Higher Oxides of
Nitrogen on the Anaesthetized
Dog. 16614-F
Effects of HC/NOX Ratios on
Irradiated Auto Exhaust,
Part II. 01958-B
Effects of Inhaling Non-
ionized or Positively
Title Index
1409
-------
Ionized Air Containing
2-41 CO, on the Blood
Levels of 5-Ifydroxytrypta-
mine in Mice. 03726-F
Effects of Los Angeles Urban
Air Pollution Upon
Respiratory Function of
Emphysematous Patients.
(Repts. on Studies
From July 1, 1964-Fete* 1,
1965). 01855-F
Effects of I-ow Concentrations
of Ozone on Temporal
Discrimination. 11807-F
Effects of Mercaptans mid
Disulfides an Photochemical
and High Energy Radiation
Induced Reactions. 07866-M
Effects of Mixed N02~^Z 0,4
Ituman Pulmonary Functions.
14079-F
Effects of the Motor Vehicle
Exhaust Gases an Humans,
Animals and Plants, 08801-F
Effects of Motor Vehicle
Pollutants. 04584-A
Effects of Multiple Scattering
on Heating Rates in the
Ozone Layer. 01405-C
Effects of Negative Air
Ions, Noise, Sex and
Age cn Maze Learning in
Rats. 15211-f
Effects of Nitrogen Dioxide
Inhalation on Germfree
Mouse Lung. 11297-F
13852-F
Effects of Nitrogen Dioxide
on Lactic Dehydrogenase
Isozymes. 03257-F
Effects of Nitrogen
Dioxide on Pulmonary
Cell Population,
11670-F
Effects of NO, and
Salts of N0§ Upon
Established Cell
Lines, 05295-F
Effects of the Operating
Variables and Refuse
Types on the Emissions
From a Pilot Scale
Trench Incinerator.
09026-B
Effects of Oxidant Air
Pollutants, 11748-G
Effects of Oxidant Air
Pollution on Peak
Expiratory Flow Rates
in Los Angeles School
Children. 16794-F
Effects of Ozone on
Experimental
Tuberculosis and on
Natural Pulmonary
Infections in Mice.
01319-F
Effects of Ozone on
the Fine Structure
of the Palisade
Parenchyma Cells of
Bean Leaves. 04724-G
Effects of Ozone on the
Germination of Fungus
Spores, 15332-G
Effects of Ozone on Growth,
Lipid Metabolism, and
Sporulation of Fungi.
16313-G
Effects of Ozone, Nitrogen
Dioxide and Other Gaseous
Air Pollutants on Mam-
malian Respiratory
Tissues—a Review of
Light and Electron
Microscope Studies.
10685-F
Effects of Ozone on
Photosynthesis of Ponderosa
Pine. 11501-G
Effects of Ozone on Tobacco.
02744-G
Effects of Ozone on Tobacco
and Pinto Bean as Conditioned
by Several Ecological
1410 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Factors. 03961-G
Effects of Peroxyacetyl
Nitrate on Ultrastructures
of Chloroplasts. 01905-G
Effects of Photochemical
Aerosols oil Eye Ir-
ritation. 01463-F
Effects of Photochemical
Air Pollution an Vegetation
With Relation to the Air
Quality Requirement.
00613-C
Effects of the Ratio of
Hydrocarbon to Oxides of
Nitrogen in Irradiated
Auto Exhaust. 02842-F
Effects of Repeated and
Prolonged Exposure to
High Concentrations of
Ozone on the Vision
of Airline Pilot,
02826-F
Effects of Scattering
and Ground Reflection
on the Solar Energy-
Absorbed by Ozone in
a Rayleigh Atmosphere.
06047-C
Effects of Serotonin an
Pulmonary Edema Produced
by Ozone in Mice.
01368-F
Effects of Sodium Bicar-
bonate, tfJ (2+), MG (2+)
and ZN (2+) an the
Intensity of the Renewal
of Proteins, Glycogen
and Lipids in the Liver
and Muscles in Rabbits.
16515-F
Effects of Same Engine
Variables and Control
Systems on Composition
and Reactivity of Ex-
haust Hydrocarbons,
05323-E
Effects of Temperature
and of Ultraviolet
Radiation on Pyrene
Absorbed an Garden
Soil. 06720-M
Effects of a Transverse
Electric Field on
the Characteristics
and Heat Transfer
of a Diffusion Flame.
09172-M
Effects of Ultraviolet
Light on Man.
0S924-F
Effects of Uitan Fog
Upon Cultivated
Plants. 00235-G
Effects of Various Para-
meters on the Spectro-
photometric Deter-
mination of Sulfur
Dioxide With Para-
rosaniline. 01091-D
Effects of Wave Length
and Temperature an
Primary Processes in the
Photolysis of Nitrogen
Dioxide and a Spectro-
scopic-Photochemical
Determination of the
Dissociation Energy*
00923-M
Electrical Breakdown of
Gases by Optical
Frequency Radiation.
15138-M
Electrical Charging of
Aerosols. 10507-M
Electrical Neutralization
and Particle Size
Measurement of Dye
Aerosols. 00578-D
Electrical Properties of
Materials in the Far
Infrared Region. (Final
Report 1 Feb.- 31 Jan.
1967.) 11108-M
Electrocatalysis and
Related Processes at
the Hydrocarbon Anode.
14688-M
Title Index
1411
-------
Electrochemical Cleaning
of Industrial Waste Gases
and Development of a New
Two Layer Electrode.
14450-M
Electrochemical Oxidation
of Dissolved Sulphur
Dioxide at Platinum and
Gold Electrodes, G4294-M
Electrochemical Oxidation of
Sulfur Dioxide, on a
Platinum Electrode.
1575S-M
Electrochemical Sensor for
Detecting Trace Contaminants
in Air. 02441-D
Electrochemical Transducers
for Air Pollution
Monitoring. 14429-D
Electrogasdynamics and
Precipitation. 07172-E
Electrostatic Air Filter,
07199-E
Electrostatic Gas
Cleaning. 07931-E
Electrostatic Forces.
06714-E
Electron Metallographic
Investigation of the
Oxidation of Lead
Sulfide in Air Between
200 and 350^. 14747-M
Electro* Paramagnetic
Resonance Studies of
Nitric Oxide Hemoglobin
Derivatives. I. Hunan
flemoglcfoin Submits,
16046-M
Electron Paramagnetic
Resonance Study of
Nitric Oxide Hemoglobin
Derivatives, 16045-M
Electron Production by
Associative Detachment
of 0 (-) Ions With
NO, CO, and H2. 15166-M
Electron Spin Resonance of
Iron - Nitric Oxide
Conplexes With Amino
Acids, Peptides and
Proteins. 16235-M
Electron Spin Resonance of
Nitric Oxide - Hemoglobin
Complexes in Solution.
02306-F
Electron Spin Resonance of
Nitrogen Dioxide (NO?)
Adsorbed on Zinc Oxiae.
14179-M
Electron Spin Resonance
Studies of the Reactions
of Nitric Oxide and
Nitrogen Dioxide With
Polymethyl Methacrylate.
16963-M
Electronic and Ionic
Reactions in Atmospheric
Gases (Yearly Technical
Summary Report. Sept. 1,
1965 - Aug. 31, 1966).
06480-C
Electronic Light Scattering
Aerosol Analyzer Studies
of Air Pollution, 05797-D
Electronic Spectra of
Normal Paraffin Hydrocarbons.
09030-M
Electronic States of
Molecules, 01889-M
Eliminating Erfiaust CIO and
NO - It's Possible.
16777-E
Elimination of Nitrogen
Dioxide Interference in
the Determination of
Sulfur Dioxide. 057S6-D
Elimination of Nitrogen
Oxide by Means of Com-
bustion. 16299-E
Elimination of Nitrogen
Oxides. 10336'E
Elliptical Polarization of
the Skylight and the
1412
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Atmospheric Aerosol.
16390-C
Emission Control - A
Supra-National Concern
in our Technical Age.
01567-K
Emission Sources of
Nitrogen Oxide and
Chronic Acid and
Their Standard Control
Equipments. 15625-B
Emission Spectra of
Atmospheric Gases
Excited by an Electron
Beam. 14146-M
Emissions and Abatement
of Oxides of Nitrogen
in Nitric Acid
Manufacture. 12637-E
Emissions From Burning
Grass Stubble and
Straw. 10649-B
Emissions of Oxides of
Nitrogen From Stationary-
Sources in Los Angeles
County (Report 2:
Oxides of Nitrogen Emitted
by Small Sources), 05157-B
Emissions and Pollutant
Levels (Trends in Los
Angeles). 02610-B
Emphysema After Low-Level
Exposure to NO?*
00919-F
Energy Distribution of
Photochemically
Generated T-Pentoxy
Radicals. 03066-M
Energy Generation Fran
Liquid Fuels. 05477-B
Energy Sources and Policies,
Their Impact on Air
Pollution. 09759-B
Engine Generated Air
Pollution - A Study of
Source and Severity,
01565-B
Engine Performance Seen
From the Exhaust Smoke
Density of Single
Cylinder Diesel Engine.
13628-B
Engineering Aspects of
Smog Abatement. 07121-E
Engineering the Chronic
Exposure of Animals to
Laboratory Produced
Automobile Exhaust,
01987-F
Enhanced Toxicity of Ozone-
Hydrogen Peroxide Mixtures,
04498-F
Environmental Air Pollution,
Emphysema, and Ionized
Air. 04208-F
Environmental Appraisal;
Oxidants, Hydrocarbons,
and Oxides of Nitrogen.
16820-L
Environmental Aspects of
Chronic Lung Disease.
00313-F
Environmental and Clinical
Investigation of Workmen
Exposed to Diesel Ex-
haust in Railroad Engine
House. 06640-F
Envirqnmental Conditions
Affecting the Use of
Plants as Indicators of
Air Pollution, 01818-D
Environmental Factors in
Emphysema and a Model
System With NO5.
14377-F
Environmental Influences
on Living Cells. 01062-F
Environmental and Occupational
Cancer Hazards. 02288-F
Enzyme Inactivaticn by
Peroxyacetyl NitTate,
01060-F
Epidemiological Studies of
Title Index
1413
-------
Air Pollution, 00007-F
Epidemiological Aspects of
Air Pollution. 03606-F
Epidemiology of Air
Pollution. 00310-F
Equilibrium Distribution
Patterns of the Com-
bustion Products of a
Gasoline Engine Operating
About the Stoichiometric
Condition. 00693-B
Estimate of the Atmospheric
Propagation Characteristics
of 1.54 Micron Laser
Energy. 10683-C
Estimating Concentration of
Air Pollutants. 10513-D
Estimating the Vertical
Atmospheric Ozone
Distribution by
Inverting the Radiative
Transfer Equation for
Pure Molecular Scattering.
12627-C
Estimation of the Isomerizaticn
Rate of Nitrous Acid.
09576-M
Estimation of Smog Effects
in the Hydrocarbon-Nitric
Oxide System. 00345-C
Etiological Considerations
With Respect to Chronic
Bronchitis in Japan. 14S53-F
Europa 1. The Design and
Development of Gas
Scrubbers for the Europa
1 Upper Stages Propellant
Systems, 1432S-E
Evaluating Air Pollution
Problems (Acceptable
Equipment and Procedures).
03527-D
Evaluating the Biosphere.
16878-A
Evaluating the Reliability
of an Accelerated Test
for Qualifying Ozone-
Protective IVaxes.
(Final Progress Report).
09441-M
Evaluation of the Air
Pollution Aspects of the
Proposed Steam-Electric
Plant at Oak Park,
Minnesota. 01842-B
Evaluation of an Automated
Laboratory Program for
Air Pollution Analysis.
08418-D
Evaluation of Biological
Effects of Air Pollutants
by Use of Luminescent
Bacteria. 05116-F
Evaluation of 00? 33 311
Indicator of Air Pollution.
00149-J
Evaluation of Collection
Efficiency and Variability
of Sampling for Atmospheric
Nitrogen Dioxide.
01685-D
Evaluation of Conjugated
Nitro-Olefins as Eye
Irritants in Air
Pollution. 03490-F
Evaluation of Contact
Columns for Nitrogen
Dioxide Absorption,
03099-D
Evaluation of Continuous
Air Quality Data.
01Q95-J
Evaluation of a
Coulometric Oxidant
Sensor. 01331-D
Evaluation of Filters
for Removing Irritants
From Polluted Air.
05894-E
Evaluation of the Fuel
Factor Through Direct
Measurement of
1414
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Photochemical Reactivity
of Emissions. 17339-B
Evaluation of the Hazards
of Ozone and Oxides of
Nitrogen (Factors
Modifying Toxicity).
03619-F
Evaluation of Methods Used
to Determine Injury
to Plant leaves by Air
Pollutants. 05778-G
Evaluation of Microbiological
Systems for Estimating Air
Polluting Substances.
05836-D
Evaluation of Natural Gas
as a Means of Reducing
Industrial Air Pollution.
05864-B
Evaluation of Selected
Methods of Collection
and Analysis of Low
Concentrations of Ozone.
01393-D
Evaluation of Sulphur
Compounds in Atmospheric
Dust. 09430-C
Evaluation of Techniques
for the Determination of
the Photochemical
Reactivity of Organic
Emissions. 00465-C
Evaluation of the Use of
Commercially Available
Detectors for Hydrazine
and Nitrogen Dioxide as
Colorimetric Dosimeters,
13493-D
Evaluation of Vegetation
Injury as an Air Pollution
Criterion, 01250-G
Evaluation of a Visual Color
Comparator Method for the
Determination of Atmospheric
Nitrogen Dioxide, 01086-D
Evidence for a Functional
Disulphide in Photo-
phosphorylatian. 00231-M
Evolution of Fumes From
Steel Baths at High
Temperatures. 10474-B
Example of Odor Control
With Ozone. 15948-E
Examples of Gas Injury by
lfydrofluroic Acid and
Nitrogen Dioxide, and
Removal of the Gas From
Waste Gas. 16S55-E
Excitation and Dissociation
of Molecules in an
Intense Light Field,
162S8-M
Excretory and Biologic
Threshold Limits.
06680-F
Exerpts From the Annual
Report for 1964 of
the State Institute
for the Preservation
of Clean Air and
Agriculture Land,
06754-K
Exhaust Controls for
Air Pollution.
04374-E
Exhaust Emission Abate-
ment by Fuel Variations
to Produce Lean
Combustion. 14975-E
Exhaust Emission Control
by Chrysler - The
Cleaner Air Package,
00154-E
Exhaust Gas Problems With
Gasoline and Diesel
Engines, II, Diesel
Engines. 08497-B
Exhaust Hydrocarbons
Measurements for Tuneup
Diagnosis, 0Q155-D
Expanded Telecommunications
System for Recording
Aerological Data From
Cable-Car Gondolas:
Studies With Aerosols in
Inversions, 11911-C
Title Index
1415
-------
Experiment in the Production
of Nitrogen Frcm Nitric
Acid Plant Tail Gas.
14007-E
Experimental Determination
of the Limit of Allowable
Concentration of Dichlorethane
in Atmospheric Air. 08151-F
Experimental Emphysema.
09412-F
Experimental Emphysema.
Effect of Chronic
Nitrogen Dioxide Ex-
posure and Papain on
Normal and Pneumoconiotic
Lungs. 08423-F
Experimental Evaluation of
Man's Reaction to an
Ionized Air Environment.
121S8-F
Experimental Exposure of
Human Subjects to Ozone.
1Q670-F
Experimental Induction of
Pulmonary Tumors in
Strain-A Mice After
Their Exposure to an
Atmosphere of Ozonized
Gasoline, 01030-F
Experimental Investigation
of the Effect of Nitrogen
Dioxide an Plants.
10206-G
Experimental Observations of
Forward Scattering of
Light in the Lower
Atmosphere. 00089-C
Experimental Ozone Preex-
posure and Histamine, Effect
on the Acute Toxicity and
Respiratory Function
Effects of Histamine in
Guinea Pigs. 07657-F
Experimental Program for the
Control of Organic
Emissions From Protective
Coating Operations
(Interim Kept. No. 2). 03762-E
Experimental Research on
the Combustion Mechanism
in the Gaseous Phase,
14285-M
Experimental Study of the
Deionization of NO Plm.
04429-M
Experimental Study of
the Effect of Air
Pollution on the
Persistence of Fog.
04977-C
Experimental Study of the
Formation and Decomposition
of Nitric Oxide. 04913-M
Experimental Study of
Threshold Limit of
NQ2. 06717-F
Experimental and Theoretical
Study on the Formation of
Nitrogen Oxide in Engines.
16627-B
Experimental and Theoretical
Study of Nitric Oxide
Formation in Internal
Combustion Engines.
1733S-B
Experiments to Inhibit
Nitrogen Oxides
Developed Within the
Exhaust System of
Diesel Engines.
13160-E
Exposure Chanber for
Studying the Effects
of Pollutants of
Trees. G6447-G
Exposure of Mice to
Nitrogen Dioxide-A
Constant Pressure
System. 05352-D
Exposure of Microorganisms
to Lew Concentration
of Various Pollutants.
00992-F
Eye Irritation as a
Biological Indicator
of Photochemical
1416 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Reactions in the
Atmosphere. 04645-F
Eye Irritation Formed
During Photooxidation
of Hydrocarbons in
the Presence of Oxides
of Nitrogen. 05819-F
Eye Irritation Response
at Low Concentrations
of Irritants. 024B5-F
F
Factors Affecting the
Appearance of Holly
Oaks in Southern
California. X6360-G
Factors Affecting Ozone
Sensitivity and
Susceptibility of
Cotton Plants. 10713-G
Factors Effecting the
Response of Plants
to Oxidant Air Pollutants.
11072-G
Factors Influencing Ex-
pression of Oxidant
Damage to Plants.
15559-G
Factors Influencing the
Photodynamic Action of
Benzo(a)pyrene on
Escherichia coli.
07463-M
Fading of Colouring
Matters. 02270-H
Far-Ultraviolet Spectra
of Branched Chain
Paraffins. 09031-M
Faster Analyses of Nitrogen
Dioxide With Continuous
Air Analyzers. 00856-B
Fate of Arenes Incorporated
With Airborne Soot.
02203-M
Fate of Light Air Ions
in the Respiratory
Pathways. 09239-F
Fate of Oxides of Nitrogen
Through a Direct Flame
Afterburner in the
Exhaust of a Gasoline
Engine. 00469-D
Feasibility of Glass
Culture Tubes as
Disposable Cuvettes in
Colorimetric Determination
of Ozone and Nitrogen
Dioxide. 12338-D
Feasibility of Removing
Gaseous Contaminants
From Maimed Space Cabin
Atmospheres by Ionic
Processes, 02440-E
Federal Activity in
Developing Air Quality
Criteria, 01007-L
Federal Fiscal Policy in
Air Pollution Control,
09285-K
Field Application of
Diffusion Tubes for
Dynamic Calibrations,
05548-D
Field Comparison of Methods
of Determining Atmospheric
NO and NO,. 00192-D
118S5-D L
Field Experience With the
Mast Ozone Recorder.
03100-D
Field Study of Air Pollution
in the Lower Sacramento
Valley During the 1960 Fall
Season, 05196-J
Field Survey of Exhaust Gas
Composition. 07629-B
Fight Against Pollution in
Argentina, Educational,
Legal and Technological
Aspects, 11087-E
Film Actinameter for
Measurement of Solar
Ultraviolet Radiation
Title Index
T417
-------
Intensities in Urban
Atmospheres. 12666-D
Final Report of Contract
3656(06). 08842-F
First Observations on Air
Pollution in the City
of Capliari. Behavior
of Nitrous Vapors and
of Ammonia, 09391-J
First Report on Atmospheric
Oxidant Measurements in
the Towns of Pretoria,
Durban and Johannesburg.
07120-J
Flame Characteristics
Causing Air Pollution:
Production of Oxides
of Nitrogen and Carbon
Monoxide, 04653-M
Flame Ionization and
Combustion Inhibition.
(Technical Report No,
1.) 11210-M
Flame Ionization ffydrocarbon
Analyzer, 05617-D
Flame Ionization Instrument
for the Detection of
Organic Aerosols in
Air, 01429-D
Flame Ionization-Pulse
Aerosol Particle
Analyzer (FIPAPA)
0S314-D
Flash Photolyzed Reactions
Monitored by Time-of-
Flight Mass Spectrometry.
10034-D
Flow Reactor for Kinetic
Studies. 16S69-M
Fluorescence and Phosphorescence
of Trifluoracetone Vapor,
03551-M
Fluorescent Particle
Atmospheric Tracer,
01422-D
Fluorimetric Assay for
Alpha-Glycolic Confounds
and Other Aldehydes,
05136-D
Fluorophotometric Deter-
mination of Trace
Amounts of Atmospheric
Ozone, 00328-D
Foliar Absorption of
Nitrogen Dioxide,
16517-G
Follow-up of Donora
Ten Years After:
Methodology and
Findings, 00392-F
Follow-up Studies in Tokyo-
Yokohama Respiratory
Disease. 00645-F
Formation of Aerosols by
Irradiation of Dilute
Auto Exhaust, 07178-D
Formation of Carbon Dioxide
Ions After Electron and
Ion Inpact, 03177-M
Formation and Decomposition
of the Higher Oxides
of Nitrogen, 10913-M
Formation and Evolution of
Nuclei of Condensation
That Appear in Air
Initially Free of Aerosols.
10737-C
Formation of Molecular
Oxygen by Alkaline
Hydrolysis of Pcroxyacetyl
Nitrate. 0S491-M
Formation of Nitric Oxide
in Combustion Processes.
14924-B
Formation of Nitric Oxide
IXjiring Coking, 03233-B
Formation of Nitrogen
Oxides in Aerated
Methane Flames, 13922-M
Formation of Nitroxyl
Radicals in the Reaction
1478 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
of Mines With Ozone.
13671-M
Formation of Nitrous Rones
in Gas Flames. 08735-B
Formation of Oxides of
Nitrogen During Com-
bustion at Atmospheric
Pressure. 03361-M
Formation of Ozone in
the Los Angeles
Atmosphere. 17142-C
Formation of Peroxide
Radicals During
Photochemical Oxidation
of Hydrocarbons.
13364-M
Formation of Photochemical
Aerosols* 01318-M
Formation of Polycyclic
Aromatic Hydrocarbons
During Incomplete
Combustion* 05325-M
Formation of Polyenic
Dialdehydes in the
Photooxidation of
Pure Liquid Benzene.
08827-M
Formation of Tributyliodoamnt-
onium Iodide in the
Uranyl Photosensitized
Reaction With
Tetrabuty laitmonium
Iodide. 02498-M
Formation of Vibrationally
Excited N,0 in the
Reaction of N Atoms
With NO2. 13452-M
Forward-Looking Exhaust Gas
Research for the Automotive
Petrol Engine, 15321-E
Four Types of Air Pollution.
14895-B
Four-Year Summary of Data
From the Continuous
Air Monitoring Program.
11267-J
Free Energy of Sulphur
Dioxide. 13489-M
Free-Radical Addition
to Azobenzene in Cumene
Solution. Electron
Paramagnetic Resonance
Spectra of Some Long'
Lived Radical Inter-
mediates, 02493-M
Free Radical Production
in Biologically
Significant Conpounds
In: Biological Effects
of Radiation and Related
Biochemical and Physical
Studies. 11796-M
Free Radical Reactions
Modify Cellular Damage.
16096-G
Fresh Air Quality Standards.
11414-L
Fresno Air Pollution Study,
03433-J
Fuel Cell as an Energy
Source for Vehicle
Drives. 11S84-E
Fuel Cells: A Review of
Government-Sponsored
Research, 1950-1964#
07979-B
Full-Scale Study of
Dispersion of Stack
Gases. 00023-B
FU11 Scale Study of
Dispersion of Stack
Gases (Part IV. Corollary
Studies of SO? Oxidation).
03777-C
Functional and Morphological
Response of in vitro
Lung and Myocardial 'rest
Cbjects to Experimental
Gas Environments, Q8424-F
Fundamental Investigation
of the Catalytic
Degradation of Hydrocarbon
Fuels (First Quarterly
Title Index
1419
-------
Progress Report Feb, 16-
Msy 16, 1965). 0S208-M
Fundamentals of Catalytic
Afterburning. G8036-E
Fundamentals of the Statistical
Method of Solving the In-
verse Problem of Ozone
Measurement. 05459-C
Further Applications of the
Chemi luminescent Method
for the Measurement of
Atmospheric Ozone.
07684-D
Further Developments in
the Chemistry of the
Atmosphere. 05627-J
Further Effects of Temperture
and Pressure on Photo-
chemical Oxidant
Production. 02747-D
Shews Influence of Fuel
an Composition of
Automotive Engine Exhaust,
01382-B
Gas- Chromatographic
Determination of Organic
Compounds in Air in
Presence of Ozone,
14500-M
Gas Chromatographic In-
vestigations for the
Determination of
Fluorine and Oxygen in
Mixtures. 06352-D
Gas Chromatography in Air
Pollution Studies.
01979-D
Gas Chromatography of
Oxidants Using a Flowing
Liquid Colorimetric
Detector. 16857-D
Further Observations on
the Ferrous Ammonium
TMocyanate Reagent
for Ozone. 07441-D
G
Gaining Public Acceptance
for California's Auto
Smog Control Program.
00955-C
Galvanic Air Pollution
Monitoring, Aided by
Catalysis, 14550-D
Gas Absorption and
Oxidation in Dispersed
Media. 14902-E
Gas Analyser for the
Measurement of Inpurities
in Air, 10518-D
Gas Chromatographic Analysis
of Aromatic Hydrocarbons
at Atmospheric Con-
centrations Using Flame
Ionization Detection,
021S9-D
Gas Chromatographic Analysis
Gas Damage to Plants.
00301-G
Gas Dilution Apparatus for
Preparing Reproducible
Dynamic Gas Mixtures
in Any Desired Concen-
tration and Complexity.
02845-D
Gas Industry and its
Contribution to Air
Pollution Control,
05815-B
Gas Phase Oxidation of
Methyl Mercaptan,
06719-M
Gas Phase Oxidation of
Methyl Sulfide.
00952-C
Gas Phase Reactions of
Nitrogen Oxides
With Olefins. 01981-J
Gas Phase Titration of
Atmospheric Ozone.
10489-D
Gaseous Contaminants in
the Atmosphere. 03715-J
1420
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Gaseous and Liquid Fuels. 09831-B
Gasoline Composition as
a Factor in Air Pollution.
06534-E
Generation and Decay of
Small Ions, (Development
of a Particle Counter
System and Development of
a Technique for Studying
the Charge of an Evaporating
Drop). 02841-D
Generation and Decay of
Small Ions. Section II:
Electric Aerosol Particle
Counting and Size
Distribution Measuring
System for the 0.01S to
1 Micron Size Range. 00860-D
Generation and Decay of
Small Ions. Section VI:
Evaluation of a New
Electrostatic Aerosol
Sanpler Suitable for
Light and Electron
Microscopy (Progress
Report). 00864-D
Generatioi and Deter-
mination of Ozone in Low
Concentrations. 01240-D
Generation of Sulfuric
Acid Mist From Sulfur
Dioxide in the
Atmospheric Air. 03160-M
Genesis of Phytotoxic Air
Pollutants and Their
Identification and
Measurement by Chemical
and Phytolopical Methods.
16357-G
Giant-Pulse-Laser Flash
Photolysis of Phthalo-
cyanine Vapor. 15019-M
Growth and Work of the
Auckland Air Pollution
Research Comnittee. 16799-K
Guide to Operation of
Atmospheric Analyzers.
095IS-D
Guide to the Selection of
Methods for Measuring
Air Pollutants, 08762-D
Gum Deposits in Gas
Distribution Systems,
Vapor-Phase Gum (Continued),
1354S-M
H
Halogenated Compounds as
Gaseous Meteorological
Tracers: Stability and
Ultrasensitive Analysis
by Gas Chromatography. 01650-C
Healing in Rat Lung After
Subacute Exposure to
Nitrogen Dioxide. 15215-F
Health Aspects of Air
Pollution. 01773-F 16441-F
HEW-PHS Ccnuunity Air
Quality Criteria (For
Photochemical Oxidants).
GSS45-L
Health Effects of Acute
Air Pollution Episodes.
00041-J
Health Effects From Re-
peated Exposures to
Law Concentrations of
Air Pollutants. 00306-F
Health Hazards of Auto-
mobile Exhaust. 00020-F
Health Problems Resulting
From Prolonged Exposure
to Air Pollution in
Diesel Bus Garages. 060S5-F
Health and the Urban
Environment (Air
Pollution and Family
Illness: I. Design
for Study). 00681-F
Health and the Urban
Environment: Health
Profiles Versus
Environmental
Pollutants. 01369-P
Hearings - S 306, 00003-E
Heat Balance of the
Effective Soil Surface
Title Index
1*21
-------
in the Region of the
Moldava Thermal Power
Plant. 10228-C
Heat Conductivity of the
Slowly Dissociating
System 2N02 in Equilibrium
With 2NO+0? From 200 to
400 C. 16530-M
Heterogeneous Reactions in
a Free Fall Reactor. 16207-M
Hif^i Cost of Foul Air. 12045-G
High Intensity Photolysis
Studies of Acetone and
Same Aliphatic Aldehydes.
03186-M
High-Temperature Chilling of
Nitrogen Oxides. 14624-M
High-Teirperature Fixation
of Nitrogen Oxides. 15640-M
Higher Oxides of Nitrogen
as an Impurity in Nitrous
Oxide. 16232-D
Highly Complex Photochemical
Mechanisms, 07499-M
Highway Dynamics and Auto-
motive Emission Test
Procedures. 11604-D
Ilistopathological Effects
of Ozone on Plant Foliage.
04684-fi
Histopathological Study on
the Lung of Mice Exposed
to 0,7-0.8 ppm NO, Gas
for a Month. 14493-F
History of Smog Control
Legislation. 11810-K
Hitachi Air Cleaner. 05430-E
Homogeneous Aerosol Generators,
03563-M
Homogeneous Nucleatim of
Sodium Chloride Solutions.
10027-M
How the United States
Looks at the Auto
Exhaust Problem. 01494-B
Human Cardiovascular
Disease and Atmospheric
Air Pollution in Los
Angeles, California.
00989-F
Human Reactions to Air
Ions, Part III; The
Effect of Atmospheric
Ions on Human Performance -
a Further experiment.
00100-F
Human Respiratory Diseases
and Atmospheric Air
Pollution in Los Angeles,
California. 01019-F
Human Subject and Air
Pollution Research,
05637-F
Human Tear Lysozyme III.
Preliminary Study on
Lysozyme Levels in
Subjects With Smog
Eye Irritation. 13846-F
liydrocaTbcn - Air Fuel
Cells (Semi-Annual
Tedmical Suranary Report
No, 9, Jan. 1-June 30,
1966). 03343-M
Hydrocarbon Reactivity and
Eye Irritation. 14119-F
Hydrocarbon Reactivity and
the Kinetics of the
Atmospheric Photooxidaticn
of Nitric Oxide.
17387-C 03114-M
Hydrocarbons - Air Fuel
Cells. 02443-M
Hydrocarbons in the Los
Angeles Atmosphere
C2 - Cv 14180-J
ffydrojien Flame Tmission
Spectrophotometry in
Monitorin? Air for
SO, and Sulfuric Acid
Aerosols. 00381-D
How Hydrocarbon Types
Determine Smog-
Forming Potential
of Exhaust Gases. 06698-M
1422
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Hydrogen Sulfide Determination
in Air With Automatic Sampling.
13422-D
H2S as a Free-Radical Interceptor
in the Gas-Phase Radiolysis
and Photolysis of Propane.
00629-C
112 - Transfer Reactions in the
Gas-Phase Radiolysis of
Hydrocarbons. 01833-M
Hygienic Assessment of New
Synthetic Materials When
Used in a Hot Climate,
10639-B
Hygienic Criteria of Air Purity
in Populated Areas. 06885-L
Hygienic Evaluation of Some
Petrochemical Industries.
08524-B
Hygienic Importance of the
Ionized State of the Air
in Closed Premises.
01219-E
Hygienic Standardization of tho
Limits of Allowable Concen-
trations of Vapors of
Gasoline in Atmospheric Air.
08153-F
Hysteresis in Smog and Fog
Disappearance. 05482-C
Hysteresis in Smog and Fog
Disappearance (Final
Technical Report). 12165-C
I
Ice Fog: Lew Temperature Air
Pollution (Defined With Fair-
banks, Alaska as Type
Locality), 00834-C
Identification of Air Pollution
Damage to Agricultural Crops,
(Air Pollution Research
Reveals Chemical Toxicants
Injuring Vegetation in
Populous Areas of California.)
0S342-G
Identification and Distribution
of Air Pollutants Through Plant
Response. 03613-G
Identification of Volatile Con-
taminants of Space Cabin
Materials. 08033-B
Illinois Moves Along in Fight for
Clean Air. Legislative Study
Committee Recommends Air Quality
Standards. 18024-K
Immunologic Methods in Air Pollu-
tion Research, 02173-F
Importance of Peroxyacetyl Nitrate
(PAN) as a Phytotoxic AiT Pol-
lutant. 15514-G
Improved Form of Solid Qxidiser
for the Conversion of Nitric
Oxide to Nitrogen Dioxide in a
Flow System. 13932-D
Improved Sulfur-Reacting Micro-
coulometric Cell for Gas
Chromatography, 00942-D
Improvements in Collection of Hy-
drogen Sulfide in Cadmium
Hydroxide Suspension, 13039-D
Improving the Dynamic Response of
Continuous Air Pollutant Mea-
surements With a Computer,
01807-D
Inactivation of the Domestic Dust
Allergen by W-Irradiation,
17072-F
Inadvertent Modification of the
Atmosphere by Air Pollution.
16886-M
Incidence of Lung Tumours in LX
Mice Exposed to (1) Free
Radicals; (2) SOfc, 09241-F
Incineration Studies: Formaticri of
Oxides of Nitrogen in Gas Fired
Heaters. 05970-B
Increase in Averages of Sunshine in
Central London. 11522-C
Title index
1423
-------
Increasing Sensitivity of 3-
MBthyl-2-Benzothiazalone
Uydrozone Test for Analysis
of Aliphatic Aldehydes in
Air. 01802-D
Indoor Air Pollution in
Rotterdam Homes. 01257-J
Industrial Gas Analysis: A
Literature Review. 09369-D
Industrial Gas Measurement for
Clean-Air Maintenance.
02645-D
Influence of Nitrogen Oxides on the
Toxicity of Ozone, 03625-F
Influence of N-P-K Fertilization
on Incidence and Severity of
Oxidant Injury to Mangeles and
Spinach. 056G6-G
Influence of Ozone on Pulmonary
Cells. 0S538-F
Influence of Particle Size Dis-
tribution on Reflected and
Transmitted Light From Clouds.
08868-C
Industrial Pollution. 00131-E
Industry and Atmospheric Pollu-
tion in Great Britain.
06778-E
Influence of Adsorbed Oxygen on
the Catalytic Properties of
Activated Carbon. 04556-M
Influence of the Atmosphere
Contaminated by Sulftrr
Dioxide and Nitrous Gases
on the Health of Children.
07240-F
Influence of Potassium Oiloride
on Combustion Processes Leading
to Ignition. 04926-M
Influence of Second Order Scatter-
ing Order on the Sky Radiation
and on the Radiation Emerging
From the Earth's Atmosphere
Under the Assumption of a Turbid
Atmosphere. 11599-C
Influence of Soil-Oxygen Diffusion
Rates on Susceptibility of
Tomato Plants to Air-Borne
Oxidants. 17093-G
Influence of Atmospheric Con-
stituents Upon Long Wave
Radiation in Conjunction
With the Formation of
Radiation Fog. 01145-C
Influence of Atmospheric
Dispersion on the Exposure
of Plants to Airborne Pol-
lutants. 11010-G
Influence of Electrostatic
Effects on the Dispersion
of Powders, 06418-M
Influence of Engine Variables
on Exhaust Oxides of
Nitrogen Concentrations
From a Multi-Cylinder
Engine. 09323-B
Influence of Low Levels of
Ozone on Flowering of
Carnations. 14826-G
Influence of Vehicle Operating
Variables an Exhaust Emissions.
00324-B
Influence of Water Vapor on the
Distribution of Stratospheric
Ozone, 02S24-C
Influence of Weather Conditions
on the Concentration of
Suspended Particulates in
Free Air. 07693-C
Infrared Absorption by Overlapping
Bands of Atmospheric Gases,
08838-D
Infrared Absorption by Peroxy-
Nitrogen Trioxide Free Radical
in the Gas Phase, 01787-M
Infrared Absorption by Symmetrical
NO* Free Radical in the Gas
Phase. 01878-M
1424
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Infrared Emission of Nitric
Oxide in Electrical Discharge.
15536-M
Infra-Red Flux Divergence and
the Urban Heat Island.
11521-C
Infrared Frequencies and In-
tensities of Sulfate Ion
Impurities in KBR Crystals
and the Theory of the Vibra-
tional Stark Effect Due to
Internal Fields. 15833-M
Infrared Radioactive Cooling in
the Middle Atmosphere (30-110-
Kra). 16889-C
Infrared Solar Spectral Measure-
ments Through Varying Degrees
of Smog at Los Angeles.
05S77-D
Infrared Spectra of Isotopic
Ityponitrite Ions. 03493-M
Infrared Spectra of Some Unsta-
ble Isomers of N2 03. 05289-M
Infrared Spectroscopy Application
to Chemical Kinetic Systems.
14917-M
Infrared Spectrum of Carbon
Dioxide Anion Radical. 02446-M
Infrared Spectrum of N?°3.
05288-M
Infrared Spectrum of Ozone,
15829-M
Inhalation Aerosol Dosimeter.
(Final Report Dec. 22, 1961-
May IS, 1963). 06S20-D
Inhalation of the Photochemical
Smog Compound Peroxyacetyl
Nitrate. 06020-F
Inhalation Toxicity of the Air
Pollutant Peroxyacetyl
Nitrate: Depression of
Voluntary Activity in Mice.
11535-F
Inhaled Noxious Pollutants.
02539-F
Inhibition of Phosphoglucomutase
Activity in Oat Coleoptiles by
Air Pollutants. 01728-F
Inhibition of Photosynthesis by
Carbon Monoxide and Suspension
of the Carbon Monoxide In-
hibition by Light. 10917-M
Initial Brief of the Air Pollution
Control District of the County
of Los Angeles. 15G43-B
Inorganic Fluoride Propellant
Oxidizers. Volume II. Effects
Upon Microorganisms, Fish, and
Plants. 16617-R
Inorganic Microchemistiy, 00489-D
Inside Air Pollution—The View
From National Bureau of
Standards, 08645-M
Instrument for Determining Ozone.
15317-M
Instrumentation for an Antoient Mr
Animal Exposure Project, 06099-F
Instrumentation and Methods for
Measuring the Physiological
Effects of Air Pollution,
00303-F
Interaction Between Albumin and
Heavy Metal Ions. 05161-F
Interaction Between Nitric Oxide
and Hydrogen Sulphide in the
Presence of Water, 13454-M
Interaction of Light and
Atmospheric Photochemical
Products ("Smog") Within Plants.
05774-G
Interaction of NO? With Monolayers
of Phospholipids Extracted From
E. coli at 15 and 37 Degrees.
Tl679»F 14065-F
Title Index
1425
-------
Interaction of Nitrogen Dioxide
Olefin Gas Mixtures With
Lecithin Monomolecular Films.
08897-F
Interaction of Protein and Lipo-
protein Monolayers With Nitro-
gen Dioxide-Trans 2-Butene
Gaseous Mixtures. 11682-F
Interaction of Submicron Smog
Particles and Vapors (Final
Report). 00069-M
Interactions of environmental
Factors on the Sensitivity
of Plants to Air Pollution.
00775-G
Interpretation of the Synergistic
Effect of Aerosols Based Upon
Specific Surface-Action of
the Airborne Particles,
06552-F
Inter-Relation Between Air
Pollution and Open Spaces,
as a Principle for the
Protection of Industrial
UTban Centers, 1S605-G
Interstate Air Pollution Study
Phase II Project Report.
II. Air Pollutant Fjnission
Inventory. Q0858-B
Interstate Air Pollution Study:
Phase II Project Report. VIII,
A Proposal for an Air Resource
Management Program, 01S90-B
Intramolecular Energy Transfer:
Photoelimination of Halogen
Atoms From Aromatic Ketones.
0Q917-M
Intramolecular Rearrangements
in the Solid Phase Photolysis
of 4-Methyl-Z-Hexancme and
Sec-Butyl Acetate, 03560-M
Investigation of Air-Flow
Velocity by Laser Backscatter.
0%01-C
Investigation of the Anroonia
Method of Removing Nitrogen
Oxides From Fjchaust Gases of
Nitrogen-Oxide Nitric-Acid
Tower System. 13899-E
Investigation of the Autoxidation
of Petroleum Fuels, 03164-B
Investigation of the Mechanism
of Heterogeneous Oxidation,
Hydrogenation and Electro-
chemical Combustion on Solid
Catalysts. III. Relation
Between the Depolarizing Oxides
on Carbon and of S02t 13939-M
Investigation of the Mechanism of
the Oxidation of Carbon Monoxide
on Lanthanum Oxide, 09437-M
Investigation of the Oxidation
Kinetics of Gaseous Sulfur
Dioxide in Water Solutions and
the Processes of Contamination
of Maganese Sulfate With Phenol.
16463-M
Investigation of Radioactive
Aerosols. 08620-M
Investigation of the Reaction of
Lead Sulfide With Sulfur
Dioxide, 13943-M
Investigation of the Stratospheric
Aerosol by Infrared and Lidar
Techniques. 12 524-C
Investigation of Systems for Re-
moving Irritants From Polluted
Air. 0S968-E
Investigations cm the Accumulation
of Microorganisms in Ionizing
Fields. 02677-C
Investigations of Atmospheric
Trace Gases and Supended
Particulate Matter on Mount
Olympus Washington. 12632-C
Investigations into the Reactions
Between Nitrogen Dioxide and
Sulfur Dioxide in the Gas Phase.
133S4-M
Investigations of the Reaction Be-
tween Gaseous Nitrogen Dioxide
and the Saltzman Reagent.
16117-M
1426 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Investigations of Room Ozonizers
and of Ozone in Free Air and
Industrial Facilities, 07834-F
In Vitro Alveolar Macrophase
""Viability. Effect of Gases.
18031-F
In Vivo Inactivation of Lysozyme
by Ozone, 10492-F 16905-F
Iodine and Nitric Oxide
Catalyzed Isomorization of
Olefins. 01880-M
Iodine and Nitric Oxide Catalyzed
Isoraerization of Olefins. VII,
The Stabilization Energy in
the Pentadienyl Radical and
the Kinetics of the Positional
Izcmerizaticn of 1,4-Pentadiene,
01680-M
Ion Aerotherapy Modifies Pul-
monary Edema Resulting From
Ozone. 08499-F
Ion Exchangers in Removal of
Air Contaminants. 07884-E
Ion Losses in the Gerdien Con-
denser Intake System, 11834-D
Ionic Mobility as Related to
Atmospheric Monitoring and
Control. 10663-D
Ion-Molecule Reaction of Hydro-
carbons With Nitrogen Monoxide,
17030-M
Ion-Molecule Reactions, 14155-M
Ionic State of Air in Living
Quarters and its Hygienic
Significance. 06669-F
Ionization and Dissociative
Ionization of 0, After Electron
and Impact. 02464-M
Ionization and Electron Loss
Simulation in Atmospheric
Gases. 04283-M
Ionization and Electron Loss
Simulation in Atmospheric Gases
(Quarterly Report No. 2 Sept. 1-
Nov. 30, 1965), 02883-D
Ionization Methods for the Deter-
mination of Atmospheric Pol-
lutants. 04241-D
Ionization Processes, Connected
With Addition of Metals to Gas
Flames. 122S9-M
Ionized Air and Smog Effects cm
Lung Function in Man. 02367-F
Ionospheric Estimate of Nitric
Oxide Concentration in the
D-Region. 02520-D
Ionospheric Processes and Nitric
Oxide, 05205-C
Ionospheric Reaction Rates in the
Light of Recent Measurements in
the Ionosphere and the Laboratory.
04527-C
Ions in Air (I), 07488-M
Ions in Air. II. 07245-J
Ions: 2. Ions and Air Pollution;
3-Ions and Public Health.
06785-C
Ions in Air: 3, Ions and En-
vironmental Hygiene and 4. Ef-
fect of Ions on the Living Body.
06786-F
Ions in Air, Ions and Meteorology.
05451-C
Inspection Method for Automobile
Hydrocarbon Emission. 08681-D
Instantaneous Monitoring of
Multiconponent Expired Gases,
02406-D
Instrument for Determinations of
the Concentrations of Nitrogen
Oxides and Nitric Acid Fumes
in Air. 06889-D
Title Index
1427
-------
Instrumental Method for the
Detection of Higher Oxides
of Nitrogen in Nitrous
Oxifle. 10357-D
Instrumentation for Automatic
Measurement and Recording of
Laboratory-Produced Auto-
mobile Exhaust, 01495-D
Interdependence Between the
Biosphere and the Atmosphere.
10551-A
Intermittent Determination of
JUS in the Atmosphere,
02987-D
Inter-relation Between Air
Pollution and Open Spaces,
as a Principle for the Pro-
tection of Industrial Urban
Centres. 15606-K
Interstate Air Pollution Study
Phase II Project Report. II
Air Pollutant Emission In-
ventory. 11224-J
Interstate Air Pollution Study
Phase II Project Report.
Ill Air Quality Measurements.
03449-D 03866-D
Interstate Air Pollution Study
Phase II Project Report,
VI. Effects of Air Pollution,
03027-J
Interstate Air Pollution Study:
St. Louis - East St, Louis
Metropolitan Area. 01604-K
Interstate Air Pollution Sur-
veillance Program (Effects
Network). 00179-D
Investigation of Atmospheric
Impurities (Final Report).
00822-D
Investigation to Determine the
Possible Need for a Regulation
on Organic Compound Emissions
Frcin Stationary Sources in
the San Francisco Bay Area,
03104-J
Investigation of Interferometry
for the Analysis of Enclosed
Habitable Atmospheres, 08720-D
Investigation of Text Methods of
S-Qxides and N-Oxides in the
Atmosphere. 07391-D
Investigation of Thermionic
Detector Response for the
Gas Chromatography of P, N,
As and C, Organic Compounds.
07749-D
Investigations to Detect the
Atmospheric Conversion of
Sulfur Dioxide to Sulfur
Trioxide. 03863-J
Investigations on the Oxidizing
Potential of the Air in 4
Towns in the Socialist Re-
public of Rumania, 17096-J
Ironton, Ohio-Ashland, Kentucky-
Hun tingt on, West Virginia Air
Pollution Abatement Activity.
Pre-Conference Investigations.
10S04-C
Irradiated Automobile Exhaust.
07842-F
Irradiation of Single and Multi-
Component Hydrocarbon- and
Aldehyde - Nitric Oxide Mixtures
in Air Under Dynamic and Static
Flow Conditions, 00622-F
Irritant Potential of Pollutants
in the Atmosphere. 03151-F
Isolation, Identification, and
Estimation of Gaseous Pollutants
of Air. 00224-D
Isotopic Exchange Reactions of
Atomic Oxygen Produced by the
Photolysis of NO, at 3660A.
11279-M c
J
Joint Recovery of Low Concentrations
of Sulfur Dioxide and Nitrogen-
Containing Gases by Alkalis and
Carbonates. Conrnmication I.
16204-M
1428 PH0T0CH EMICAL OXIDANTS AND Al R POLLUTION
-------
Joint and Separate Determi-
nation of Nitrogen Monoxide
and Nitrogen Dioxide in the
Atmosphere. 08256-D
K
Kinetic Approach to the Thermo-
dynamics of Irreversible
Processes. 14232-M
Kinetic Evaluation of the
Factors Used in the Saltzman
Analysis of Oxides of Nitro-
gen. 17380-D
Kinetic Studies on Homoproteins
by Flash Photolysis. 15281-M
Kinetics of Absorption of Nitro-
gen Dioxide by Solid Calcium
Oxide. 15495-M
Kinetics of Absorption of
Nitrogen Oxides by Sulfuric
Acid in Rotary Absorbers With
a Large Number of Revolutions.
14380-M
Kinetics of the Absorption of
Nitogen Peroxide into Water
and Aqueous Solutions.
13559-M
Kinetics of the Anodic Oxidation
of Nitrous Acid and of Nitrite
Ions an a Platinum Electrode.
17211-M
Kinetics of Atmospheric Gases
(Final Report)» 00362-C
Kinetics of Catalytic Decom-
position of Nitric Oxide.
13900-M
Kinetics of Contact Oxidation of
Sulfur Dioxide on Ferric
Oxide. 16461-M
Kinetics of the Past Gas Phase
Reaction Between Ozone and
Nitric Oxide, 13564-M
Kinetics of the Homogeneous
Gaseous Oxidation of Sulphur
Dioxide. 09755-M
Kinetics of Hydrocarbons in Engine
Exhaust Systems. 13951-B
Kinetics and Mechanism of Nitric
Oxide Dissociation. 1389S-M
Kinetics and Mechanism of Sulphur
Dioxide Oxidation on a Vanadium
Catalyst. I. Influences of the
Oxygen Partial Pressure on the
Rate of Oxidation. 11742-M
Kinetics of Nitric Oxide Dis-
sociation Studied by Absorption
Spectroscopy. 14570-M
Kinetics of Nitrogen Dioxide Ab-
sorption by a Sulfur-Nitrogen
Mixture, 14384-M
Kinetics of the Oxidation of
Sulphur Dioxide Over Molten
Salts, 12041-M
Kinetics of the Photochemical
Decomposition of Ozone in 3130-A
Ultraviolet Light. 14815-M
Kinetics of the Radiation. Thermal
Deconposition of NO? in Flow.
16043-M
Kinetics of the Reaction Between
Ammonia and Nitric Oxide on the
Surface of a Platinum Filament.
13528-M
Kinetics of Sulfur-Oxide Formation
in Flames: II* Lew Pressure
JI2S Flames. 04831-M
Kinetics of Vapor Phase Hydro-
carbon-Ozone Reactions. 00773-C
L
Laboratory Evaluation of Sulfur
Dioxide Methods and the In-
fluence of Ozone-Oxides of
Nitrogen Mixtures. 04499-D
Kinetics of Film Absorption of
Nitrogen (II) Oxide by FeS04
Solutions. 13685-M
Title Index
1429
-------
Laboratory Experiences in
Analysis of Nitric Oxide With
"Dichromate" Paper. 05343-D
Laboratory Measurements of Photo-
ionizaticn, Photoexcitaticn
and Photodetachment. 14854-M
Laboratory Studies of Atomic and
Electronic Collision Processes
Relevant to the Study of the
Upper Atmosphere. 01146-C
Laboratory Study of a Lead Acetate-
Tile Method for the Quanti-
tative Measurement of Low
Concentrations of Hydrogen
Sulfide. 06107-J) 0920B-D
Lake Effects on Air Pollution
Dispersion. 07872-C
Laser-Induced Luminescence and
Dissociation in Biphenyl.
15055-M
Laser Photolysis and Spectroscopy
in the Nanosecond Time Range:
Excited Singlet State Ab-
sorption in Coronene. 15491-M
Laser Radar (Lidar) for Meteoro-
logical Observations, 02199-D
Laser Radar Returns From the
Lower Troposphere Compared
With Vertical Ozone Distri-
butions, 06481-C 11274-C
Laser-Rajnan Raclar for Chemical
Analysis of Polluted Air,
16881-D
Laser Technique for the Measure-
ment of Aerosols. 11162-D
Latest State of Development of
Instruments for the Continuous
fJonitorinp of Gas Emissions.
11061-D
Lead Effects on Corn Mitochon-
drial Respiration, 17038-G
Lead in Gasoline: No Effect on
Exhaust Emissions Found in 18-
Month Consumer-Car Test.
093SS-B
Leaf Injury on Tobacco Varieties
Resulting From Ozone, Ozonated
Hexcne-1 and Ambient Air of
Metropolitan Areas. 00184-0
Leaf Structure of Poa annwa With
Observations on "its Smop~Sensi-
tivity in Los Angeles County.
03697-G
Lesion of the Lung in Rats Con-
tinuously Exposed to Two Parts
per Million of Nitrogen Dioxide,
10970-F
Levels of Sulphur Dioxide Register-
ed in Bologna During the Winter
1965-1966, by Means of Thomas
Autometer. 09404-J
Life Processes of Plants as Af-
fected bv Air Pollution.
04998-C '
Lifetime and Quenching Rate Con-
stant for the Lowest Triplet
State of Sulfur Dioxide. 16307-M
Light Dependent Reactivation of
Photosynthetic Activity by
Manganese. 13273-M
Litfit Scattering of Coated Aerosol.
II. Scattering by Linolenic
Acid Aerosols. 04801-M
Litfht Scattering of Coated Aerosols.
Part I. Scattering by the
Ar CI Cores. 04623-1)
Limitations of the Lead Acetate
Impregnated Paner Tape Method
for II2S. 01447-D
Limits of Applicability of the
Boufiuer Law in Scattering
Media for Collimated Light
Beams. 15476-D
Lipoperoxidation of Lun^ Lipids
in Rats Exposed to Nitrogen
Dioxide. 09368-F
Liquid Phase Photolysis of Y-
Butyrolactone, G0935-C
1430
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Local and Systemic Responses
to Experimental Exposure to
Atmospheric Pollutants.
05S84-F
London Trip Report December 1962
During a Smog Episode. 06839-C
Longevity of the Phytotoxicant
Produced From Gaseous Ozone-
Olefin Reactions. 03573-G
Long-Term Exposure to Low Levels
of Air Pollutants, 16738-F
Lang Terra Inhalation Exposure Ex-
perience With Reference to Air
Pollution. 03823-F
Long-Term Investigations of
Atmospheric Ionization in
Tartu, Estonian SSR, 09242-F
Los Angeles Air Pollution and
Respiratory Symptoms - Re-
lationship During a Selected
28-Day Period. 00742-F
Los Angeles Rule 66 and Exempt
Solvents. 07187-E
Low Aufcient Pressure Environments
and Toxicity. 00429-F
Low-Cost Measurement of Air Pol-
lution,' 02377-D
Luminescence During Chemical
Reactions. 11959-M
Luminescent Smoke Generation
Feasibility Study (Final Report)
11615-J
Lung Cancer Among White South
Africans. 01024-F
Lung Collagen and Elastin De-
naturation in vivo Following
Inhalation oT Nitrogen Dioxide.
00339-F
Lung Destruction Measured by
Energy Transmission Through
Fume Fixed Lungs. 0215S-D
Lung Surfactant and its Possible
Reaction to Air Pollution,
00511-F
M
Major Central Nervous System Mal-
formation in South Wales. I.
Incidence, Local Variations and
Geographic Factors, 11575-F
Malodorous Products From the Com-
bustion of Kraft Blacfc Liquor.
II. Analytical Aspects. 0R354-D
Man and Air in California. 00969-B
Managing Climate Resources, 14698-C
Man's Tolerance to Trace Contaminants,
11593-F
Manual Methods and Automatic
Continuous Instruments for
Measurement of Gaseous Air Pol-
lutants, IS171-D
Manufacture of Nitrous Oxide.
16233-E
Marine Layer and Its Relation to a
Smog Episode in Riverside,
California. 11013-C
Mass Spectrometric Determination
of the Aliphatic and Aromatic
Content of a Hydrocarbon Mixture.
052S7-D
Mass Spectrometric Studies of
Atomic Reactions, V, The
Reaction of Nitrogen Atoms With
MO^ . 00354-M
Maximum Permissible Concentrations
for Air Pollution in the Federal
Republic of Germany. 07597-K
Maximum Permissible Concentration
of Formaldehyde in Atmospheric
Air. 08154-F
Mean Distributions of Ozone Density
Over North America, 1963-1964,
04292-C
Meaningful Air Quality Measurements
cn a Limited Budget, 01989-D
Measurement of Air Pollutants,
06112-D
Measurement of Air Pollution Around
Oil Refineries. 16016-D
Title Index
1431
-------
Measurement of Air Pollution
by Means of Fungal Growth.
06406-D
Measurement of Atmospheric
Aerosols and Infrared
Radiation Over Northwest
India and Their Relationship.
11529-C
Measurement of Atmospheric
Aerosols by Polarized-Laser
Light Scattering. 06507-D
Measurement of the Exhaust
Composition of Selected Heli-
copter Armament, 07451-B
Measurement of Atmospheric Ex-
tinction and Light Scattering
Function: Part I. Polar
Nephelometer and Paver Supply
(Final Report). 03011-D
Measurement of Atmospheric Ex-
tinction and Light Scattering
Function. Part II. Apparatus
for Measurement of Atmospheric
Extinction. (Final Report).
033&0-D
Measurement of Benzo(a)pyrene,
Benzo(k)fluoranthrene and
Benzo(g,h,i)pe xylene by Ultra-
violet Spectroscopy. 08643-D
Measurement of Global Radiation
as a Contribution to the Air
Pollution Problem. 10937-C
Measurement of ffydrogen Sulfide
in the Atmosphere (Combined
H?S and SO? Measurement),
03772-1)
Measurement of Light Atmospheric
Ion Spectra. 05121-D
Measurement Method for Concen-
tration of Ions in Polluted
AiT, 07545-D
Measurement of Nitric Oxide in
the Earth's Atmosphere,
07687-D
Measurement of Nitric Oxide in the
Measurement of Nitrogen Dioxide in
the Air, 04643-D
Measurement of Nitrogen Dioxide
in the Atmosphere, 04018-D
Measurement of Ozone in Surface
Air at Argonne National Labora-
tory. 11775-J
Measurement of Photochemical Air
Pollution With a Sensitive
Monitoring Plant, 17057-G
Measurement of the Spectral
Distribution of Sun and Sky
Radiation by the Use of Colored
Glass Filters. 03719-D
Measurements of Atmospheric Ion
Reactions (Yearly Technical
Surinary Report). 05265-M
Measurements of the Concentrations
of Sulphur Compounds in the
Atmosphere and Laboratory
Experiments an the Oxidation of
Sulphur Dioxide at the Surface
of Particles. 09433-C
Measurements of the Hydrogen Ion
Concentration of Atmospheric
Aerosols. 09431-C
Measurements of pH, and Chemical
Analyses of Rain -, Snow -, and
Fog-Water, 09439-C
Measures Adapted in West Germany
for Combating the Emission of
SO2 into the Atmosphere, 16504-K
Measuring the Effect of Air Pol-
lution on Urban Morbidity,
11331-F
Measuring and Evaluating Automobile
Exhaust Hydrocarbon Emissions by
Interrelated Techniques, 11237-D
Measuring the Environment for a
Branchial Asthma Study, 01357-D
Measuring the Toxic Effect of Air
Pollutants With Luminescent
Bacteria: An Improved Procedure.
01483-F
1432
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Mechanism of Absorption of
Moderately Soluble Gases
in Water, 16036-M
Mechanism of Carbon Monoxide
Conversion Over Copper
Chromite and Chromium Oxide
in the Presence of Water
Vapour. 15667-M
Mechanism of Catalytic
Oxidation on Activated Carbon,
The Contribution of Free
Carbon Radicals in the
Irreversible Adsorption of
Ifydrogen Sulfide. 13374-M
Mechanism of Catalytic Oxidation
on Activated Carbon, The In-
fluence of the Concentration
of Free Carton Radicals.
13719-M
Mechanism of Catalytic Oxidation
on Activated Carbon. IV.
Influence of Free Radicals
of Carbon on SO? Adsorpticn.
13376-M
Mechanism of Catalytic Oxidation
an Activated Carbon. VIII.
The Relationship Between the
Concentration of Free Radicals
of Carbon and Its Catalytic
Activity in the Oxidation of
H2S and SO2. 07513-M
Mechanism of the Diels-Alder
Reactions of Butadiene. 07791-M
Metastable Peaks in the Mass
Mechanism of the Effect of Acrolein Spectra of N?0 and NO?. IX.
on Rat Liver Enzymes. 04698-F 17168-M
and Chemical Peculiarities of
the Slow Reation CtHq - NC^)«
11770-M
Mechanisms of Air Pollution
Reactions. 06301-D
Mechanisms of Formation of Sulfur
Oxides in Combustion. 07883-M
Mechanisms for Some High-Tenper-
ature Gas-Phase Reactions of
Ethylene, Acetylene, and
Butadiene. 07458-M
Mechanisms of Photochemical
Reactions in Solution. XXXIX.
Study of Energy Transfer by
Kinetic Spectrophotometry.
15046-M
Medical Perspective in Atmospheric
Hygiene. 05752-F
Merits of Liquefied Petroleum Gas
Fuel for Automotive Air Pol-
lution Abatement. 06104-B
Mesoclimatological Classification
System for Air Pollution
Engineers. 11052-C
Metabolic Effects of Chronic
Ozone Exposure on Rats. 01993-F
Metabolic and Immunologic Activi-
ties of Alveolar Macrophages.
00S09-F
Mechanism of High-Temperature
Reactions Between C2H2 ^
Hydrogen, 05423-M
Mechanism and the Kinetics of
Sulfur Dioxide Oxidation on
Catalysts Containing Vanadium
and Alkali Oxides. 13843-M
Mechanism of Photooxidation in
Smog, 05824-M
Mechanism of the Vapour-Phase
Interaction of Alkanes With
Nitrogen Dioxide (The Kinetics
Metastability of Natural and Urban
Aerosols. 05641-M
Meteorological Aspects of Air
Pollution Control. 04934-E
Meteorological Aspects of Air Pol-
lution in Relation to Biological
Responses. 00S10-C
Meteorological Aspects of Oxida-
tion Type Air Pollution. 06043-C
Title Index
1433
-------
Meteorological Conditions During
Oxidant Episodes in Coastal San
Diego County in October and
November, 1959, 00070-C
Meteorological Concepts in Air
Sanitation. 09311-C
Meteorological Fundamentals for
Atmospheric Transport and
Diffusion Studies. 10605-C
Meteorological Instruments for
Air Pollution Surveys (In-
formative Report No. 1),
03Q91-D
Meteorological Studies on Air Pol-
lution in Muroran, Hokkaido.
(First Report). 13758-C
Methane in the Atmosphere.
06382-C
Method and Apparatus for Treating
Automotive Exhaust Gas.
14424-E
Method for Checking Instrument
Performance at Remote Sampling
Site. 01791-E
Method for the Complete Removal
of Nitrogen Oxides. 14631-E
Method for Computing Total
Atmospheric Ozone Measurements
Made With Light Filter Equipped
Instruments. 04157-D
Method of Controlling Smog,
15249-E
Method for the Detection and
Isolation of Traces of Organic
Fluorine Compounds in Plants.
(Final Report}. 00264-D
Method for Determining Source
Reduction Required to Meet Air
Quality Standards, 00435-D
00435-J
Method for Laser Measurement of
Particle Concentration in Gases.
08073-D
Method of Measuring Atmospheric
Ozone Absorption Coefficients.
00274-D
Method for Monitoring Organic Lead
in the Atmosphere. 05158-D
Method for Obtaining the Emission
Spectra of Organic Compounds
Utilizing the Microwave Emission
Detector for the Gas Chroma-
tograph. 08323-D
Method of Removing Nitrogen Oxides
From Gases. 13538-E 135S4-E
Method for Removing Nitrogen Oxides
From Gases Through Catalytic
Reduction of These Substances to
Nitrogen. 1S270-E
Method for Using Air Pollution
Measurements and Public Opinion
to Establish Ambient Air Quality
Standards. 01149-L
Methodology in Air Pollution
Studies Using Irradiation
Chambers. 07838-D
Methods for Calculating the Extent
of Dissociation of Compounds in
the Liquid State, 14100-M
Methods for the Calibration of
Zenithal and Lunar Universal
Ozonometer Assemblies, 04170-D
Methods for the Detection of Toxic
Substances in Air. Ozone in the
Presence of Nitrous Fumes.
14502-D
Methods for the Determination of
Sodium and Butyl 2,4-Dichloro-
phen Oxyacetates in Air,
08446-D
Methods for Determining Nitrogen
Oxides in Automotive Exhausts.
10242-D
Methods for Measuring Gaseous Air
Pollutants. 16543-D
Methods for Measuring Gaseous Air
Pollution. 02681-D
1434 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Methods of Measuring and Moni-
toring Atmospheric Nitrogen
Oxides and Their Products,
11130-D
Methods for Measuring Particle
Composition in Photo-activated
Aerosols, 02904-M
Methods of Promoting tlie Re-
moval of Free lilectrons From
an Ionized and Dissociated
Atmosphere. 04866-C
Methods for Reducing Ozone and/
or Introducing Controlled
Levels of Hydrogen Fluoride
into Airstreams. 01349-D
Methods and Techniques Carried
Out in France in the Fight
Against Atmospheric Pollution.
00453-C
Metrology and Air Pollution.
07180-1)
Metropolitan Washington Council
of Governments' Oxidant
Sampling Network (Annual Re-
port Oct. 1961-Sept. 1962).
05095-J
Microdetcrminaticn of Ozone in
Smog Mixtures (Nitrogen Dioxide
Equivalent Method). 03544-D
Microdetermination of Peroxides
by Kinetic Colorimetry. 02760-D
Microorganisms and Oxidizing-"type
Air Pollution, 00244-G
Middle Ultraviolet and Air Pol-
lution, 07981-D
Miniature Mass Spectrometers for
Upper Atmosphere Composition
Measurements, 01114-D
Minnesota Air Pollution: Hie Re-
port of the Governor's Conmittee
on Air Resources, 09903-A
Minor Products of Combustion in
Large Coal-Fired Steam
Generators, 05011-B
Mobility Spectrograms of Natural
Atmospheric Ions for tlie Region
of Small and Medium-Sized Ions.
15235-M
Model Aerosols for Atmospheric
Smog. 01587-C
Model for a Clear Atmosphere,
12626-C
Modification of Aerosol Size
Distribution in the Atmosphere.
(Final Technical Report July 1,
1963 IhTu June 30, 1964).
10182-C
Modification of the Conditioned
Imotional Response hy Treatment
With Small Negative Air Ions.
07746-F
Modification of Gas Sampling Ap-
paratus for Use in Short-Term
Air Pollution Studies. 05070-D
Modification of Ozone Damage to
Phaseolus Vulgaris by Antioxi-
dants, Thiols and Sulfhydryl
Reagents, 15286-G
Modification of the Phenolphthalin
Method for the Determination of
Total Oxidants. 03690-D
Modified Total Combustion Analyzer
for Use in Source Testing Air
Pollution. 03965-D
Molecular-IJnission Spectroscopy in
Cool Flames, Part I. The Be-
haviour of Sulphur Species in a
Ifydrogen-Nitrogen Diffusion
Flame and a Shielded Air-Hydrogen
Flame. 08835-D
Molecular-Modulation Spectrometry
I. New Method for Observing
Infrared SpectTa of Free Radicals.
069S4-M
Monitoring of Contaminants, The
First Step in Air Pollution
Control, 05322-D
Monitoring Human Exposures to
Sulfur Dioxide in a Bod/
Prethysmograph. 03295-D
Title Index
1435
-------
Monte Carlo Anal/sis of Search-
light Scattering Jfeasurements.
12S16-M
Monthly Report of Meteorology,
Air Pollution. Effects and
Contaminant Maxima (March
1966 With Outlook for flay).
00851-C
Morbid Anatomical Changes in
the Lungs of Dogs After
Inhalation of Higher Chcides
of Nitrogen During Anaesthesia.
16606-F
Morphological and Microscopial
Changes in Tobacco, Bean,
and Petunia Leaves Exposed
to Irradiated Automobile Ex-
haust* 00413-G
Mortality From Fog in London,
January 1956, 00570-F
Mortality, 1948-1957, and
Morbidityf 1957, Among Persons
Residing m Donora, Pennsylvania
During the Smog Episode of
October, 1948. 03427-F
Motor Vehicle Emission Standards-
Present and Future, 00157-1
Motor Vehicle Emissions and Their
Effects, 05912-B
Motor Vehicle Exhaust Concentra-
tions in a Road Tunnel.
03255-B
Motor Vehicles, Air Pollution and
Health (A Report of the Surgeon
General to the U. S, Congress
in Compliance With P. L. 86-493,
The Schenck Act), 00052-B
Mucociliary Activity, 06048-F
Nfoltipurpose Sequential Samplers,
G0329-D
N
National Air Sampling Network
Measurement of SO? ana N02.
02241-J
National Air Surveillance Networks
Continuous Air Monitoring Pro-
gram 1966 Data Tabulations and
Summaries for Chicago, Cincinnati,
Denver, Philadelphia, St, Louis
and Washington, I), C, 06701-J
National Air Surveillance Networks-
First Quarter Tabulation 1967,
06700-J
National Motor Vehicle Contaminant
Control Requirements, 05867-E
National Surveillance Networks
Annual Tabulations - 1966,
06559-J
Nation's Cost/Benefit Ratio
Weighs Heavily on Auto Emissions,
17171-B
Natural Background of Atmospheric
Contamination and the Com-
position of Precipitation Over
the Territory of the U.S.S.R,
10724-C
Natural-Gas Catalytic Reduction
of Nitric Oxide Tail Gases From
Nitric Acid Production, 09981-E
Natural Oxidation of Tlilute
Sulfur Dioxide, 14224-M
Natural Radioactivity (Radcsi-222)
and Air Pollution Measurements
in Washington, D. C. 03725-J
Natural Removal Processes in the
Atmosphere, 05228-C
Nature of Aiken Condensation
Nuclei. 11221-C
Nature of Air Pollution and the
Methods Available for Measuring
it, 00886-D
Nature of the Benzene- So lull le
Fraction of Air Particulate
Matter. 00293-D
Nature and Effects of Photo-
chemical Air Pollutants on
Man and Animal. I, General
Characteristics and Carmmity
Concentrations, 04321-F
1436 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Nature and Effects of Photo-
chemical Air Pollutants on
Man and Animals. II, Adverse
Effects of Photochemical Smog
on Man and Animals, 04322-F
Nature of Eye Irritants in Smog.
01602-C
Nature of Odor Components in Die-
sel Exhaust. 16781-D
Nature of Some Model Photochemical
Aerosols. 06102-M
Nature, Sources, and Fate of Air
Contaminants. 00233-A
Naval Applications of Meteorolog-
ical Lidar. (Final Report)
01188-D
Needs, Objectives, and Capabili-
ties of Air Pollution Measuring
and Monitoring Programs.
04595-A
Negative Ion Reactions in Single
Gases. 15197-M
Neontal Resistance to Lung Edema.
14050-V
Neurophysiological Studies on the
Olfactory Receptive Mechanism
(Final Report). 11132-M
New Atmosphere Irradiation
Chamber. 03575-M
New Colorimetric and Fluorometric
Methods for the Determination
of 1,4-Cyclohexanedicme.
01839-D
New Data on the Chemical Com-
position of Atmospheric
Precipitations in Northern
Tien Shan. 16274-J
New Distributing Injection arid
its Potential for Improving
Exhaust Gas Emission. 10539-E
New Environmental Respiratory
Disease (Yokohama Asthma).
00932-F
New Family of Catalysts for Nitric
Acid Tail Gases, 06844-E
New and Improved Procedures for
Gas Sampling and Analysis in the
National Air Sampling Network,
00297-D
New Instrument for Evaluating the
Visual Quality of Air. 07506-D
New Instrumentation and Techniques
for Pollution Monitoring.
04881-D
New Knowledge and Experience in the
Purification of Air in Foundries.
01S28-E
New Look at Nitrogen Oxides For-
mation in Internal Combustion
Engines. 12588-B
New Mathematical Model of Air Pol-
lutant Concentration, Averaging
Time, and Frequency. 10485-L
New Method of Continuous Measure-
ments of Radon (Rn 222) Thoron
(Rn 220) in the Atmosphere.
03857-C
New Method of Waste Gas Cleaning.
16365-E
New Methods of Continuous Trace
Analysis, 14076-D
New Methods of Continuous Trace
Gas Analysis, 11819-D
New and Revised Motor Vehicle
Standards Adopted, 16518-L
New Simplified Detector for the
Analysis of Organic Impurities
in Atmosphere and Exhaust Gases.
05837-D
New York State's Classification -
Ambient Air Quality Objectives
System, 01041-J
Ninth Annual Report of the Auckland
Air Pollution Research Committee
for Year Ending 31 Marcii 1968.
11619-B
Title Index
H37
-------
Nitric Acid: Formation by Photo-
oxidation of fjydrocarbons in
the Presence of Oxides of
Nitrogen. 12419-M
Nitric Acid Manufacture. G16I9-E
Nitric Acid Vapor Above 19 Km
in the Earth's Atmosphere.
14408-D
Nitric Oxide Explosion. 13415-M
Nitric Oxide Formation in Gas
Hirbincs. 14S54-E
Nitric Oxide and Iodine
Catalyzed Isonerization of
Olefins. 01881-M
Nitric Oxide and Iodine
Catalyzed Isomerization of
Olefins. VI, Thermodynamic
Data From Equilibrium Studies
of the Geometric,il and Posi-
tional Isomerization of N-
Pentenes. 00128-M
Nitric Oxide Measurements in the
Far Ultraviolet. 16306-D
NO + 0 Chemiluminescent Reaction
Using Adiabatically Expanded
Nitric Oxide. 07681-M
Nitric Oxide and Nitrogen Dioxide
in the Los Angeles Atmosphere.
05112-J
Nitric Oxide Photolysis, 05267-M
Nitric Cbtide Recovery System.
13746-F.
Nitrogen Dioxide Detection IJsinj?
a Coulometric Method, 05866-D
Nitrogen Dioxide-Induced Enphy-
sem in Rabbits. 06745-F
Nitrogen Dioxide Poisoning Due
to ffetal-Cuttinp With
Ox/acetylene Torch. 00892-B
Nitrogen Dioxide Production From
Silage. 05893-B
Nitrogen: Formation by Photo-
oxidation of 3;thylene in the
Presence of its Oxides. D1244-C
Nitrogen Oxide Conversion. 13202-E
Nitrogen Oxides in the Chemosphere.
05204-M
Nitrogen Oxides and the Lead
Chamber Process, II, Behavior
of a Mixture of Gases, Pre-
sumably NO + NO2 in Concentrated
Sulfuric Acid and Sodium
Hydroxide 1/5 N. 10907-M
Nitrogen Oxides - Necessity for a
Systematic Approach in Their
Studies. 00700-M
Nitrogen Oxides and Photochemical
Smog Formation - A Literature
Survey, 06604-C
Nitrogen Oxides and Variables in
Precombustion Chamber Tync
Diesel Engines. 12176-3
Nitrogen Tetroxide Disposal Unit
Combustion Products, 05649-B
Nitrous Gases - A Hazard in Mines
and Industries. 13087-D
Nitrous Oxide Inhibition of Sodium
Transport. 16948-F
Non-Selective Collector for
Sampling Gaseous Air Pollutants.
(Final Report) 0342B-D
Non-Sensitized Photo-Oxidation of
Trichloroethylene in Air.
17302-M
Note on Factory Process Smells and
Toxic Hazards. 0S646-?
Notes on an Ozone Generator and
its Calibrator, 09907-11
N overril >e r - He ceirihe r 1962 Air Pol-
lution Episode in the Eastern
llnitod States, 00783-C
Noxious Gases, Fumes. Vanors, For;,
and Varieties of Smoke and Dust:
Ozone. 10792-F
1438
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Nuclear Radiation in the En-
vironment - Beta and Gamma-Ray
Dose Rates and Air Ionization
From 1951-1968, 15212-J
0
Observation of the Delta Nu
Equals 1 Sequence of CH
Produced in the II Plus O3
Reaction. 00360-C
Observations of Air Pollution
With the Aid of Automatic
Continuous Analysers. II.
Relationship Among the Con-
centrations of Various Kinds
of Pollutants in Atmosphere,
15173-J
Observations From a Ten-Year
Study of Pollution at a Site
in the City of London. 04651-J
Observations on the Release of
Nitric Oxide in the F.-Regicn.
02344-C
Observations of the Urban Heat
Island Effect in New York
City. 11713-C
Occupational Disease of Chiimey
Sweeps Cleaning Oil-Fired
Furnaces. Q7541-F
Occupational Exposure as a
Factor in Respiratory Im-
pairment. 05391-F
Occurrence, Distribution, and
Significance of Photochemical
Air Pollution in the United
States, Canada, and Mexico.
00229-G
Occurrence of Photochemical
Phytotoxicants in the Salt
Lake Valley. 07455-G
October 1963 New Orleans Asthma
Study. 00638-F
Olfactory Threshold of Some Im-
portant Irritant Gases
(Sulfur Dioxide, Ozone,
Nitrogen Dioxide) and flani-
festation in Man by Low Concen-
trations. 10791-F
One Electron Transfer Oxidation of
7, 12-Dimethylbenz(a)anthracene t
a Model for the Metabolic
Activation of Carcinogenic liydro-
carbons. 09024-F
Optical Emission From 0(1D) and
02 (bl Sijjma G) in Ultraviolet
PRotolysis of 0? and CO7.
17370-M L
Optimum Conditions and Variability
in Use of Pulsed Voltage in Gas-
Chromatographic Determination
of Parts-Per-Million Quantities
of Nitrogen Dioxide. 04696-D
Oscillatory Combustion at Atmo-
spheric Pressure Monochromatic
and Total Optical Intensity
(Technical Report). 10037-M
Oscillatory Combustion at Elevated
Pressures, 02761-M
Oscillatory Combustion at Elevated
Pressure, Effect of Fuel,
11263-B
Oscillographic Polarography in
Molten Nitrates. IV. The
Halide Ions. 17146-M
Our Automobile: A Contribution to
Air Pollution. 17365-B
Outbreak of Acute Eye Irritation
Associated With Air Pollution,
06011-F
Overall Kinetics of High Tempera-
ture Methane Oxidation in a Flow
Reactor. 1004S-M
Overview of the Politics of Air
Pollution Control, 11811-K
"Oxidant" Air Pollutants as Phyto-
toxicants. 00009-G
Oxidant Air Pollution and Athletic
Performance. 01588-F
Oxidant-Induced Inhibition of
Enzymes Involved in Coll Wall
Title Indw
1439
-------
Polysaccharide Synthesis.
11320-G
Oxidant Plant Damage From Ozone-
Olefin Reactions. 03595-G
Oxidants: Air Quality Criteria
Based on Health Effects.
11347-F
Oxidation of Amino Acids by
Ozone. 06415-F
Oxidation of Calcium Sulfite in
the Extraction of SO? Prom
Gases. 13898-M
Oxidation of Gaseous Hydrocarbons
in Concentrations of Parts Per
Million in Flow Systems.
Oxidation of 1-Butene in Type
410 Stainless Steel Tubes.
13034-M
Oxidation of Hydrocarbons on
Sinple Oxide Catalysts. 07607-M
Oxidation Kinetics of Soot,
14418-M
Oxidation of Lignin by Poly-
sulfide Solutions. 13253-M
Oxidation of Nitric Oxide in the
Presence of Ultraviolet Light
and Hydrocarbons. 18019-M
Oxidation of Nitrogen During Com-
bustion of Methane-Nitrogen-
Oxygen Mixtures. 14385-M
Oxidation Processes for Purifying
Exhaust Gases of Chemical
Industries. 13068-E
Oxidation Products of Perylene.
11872-M
Oxidation of Sulphur Dioxide in
Air at 950 Degrees C; Co-
operative Influences of Carbon
Monoxide and Nitric Oxide.
10066-M
Oxidation of Sulfur Dioxide in
Iran Sulfate Solution.
16419-M
Oxidation of Sulphur Dioxide in
Power Station Plumes. 16788-M
Oxidation of Sulfur Dioxide in
Ultraviolet Light. 16429-M
Oxidation of Unsaturated Hydro-
carbons. 05058-M
Oxides of Nitrogen in the Atmo-
sphere (Chapter V of the Oxides
of Nitrogen in Air Pollution).
01572-B
Oxides of Nitrogen in Conimstion.
04878-M
Oxides of Nitrogen in Combustion:
Oscillatory Combustion at
Elevated Pressure. 00476-D
Oxides of Nitrogen in Diesel Ex-
haust. 05599-B
Oxides of Nitrogen in Engine Ex-
haust With Ammonia Fuel.
03355-B
Oxides of Nitrogen and Their For-
mation (Chapter I of the Oxides
of Nitrogen in Air Pollution).
01568-B
Oxides of Nitrogen From Gas Tur-
bines. 06435-D
Oxides of Nitrogen and Unbumed
Hydrocarbons Produced During
Controlled Confcustion, 03107-M
Oxygen Atom Determination in the
Upper Atmosphere by Chemilu-
minescence of Nitric Oxide.
04461-C
Ozonation of Compounds of the type
Ar-Ch"CH-G; Ozonation in
Methanol. 08705-M
Ozone. 07379-D
Ozone Absorption in the 9.0 Micron
Region. 00371-M
Ozone and Atmospheric Transport
Processes. 06918-C
1440 PHOTOCHEMICAL OXIDANTS AND Al R POLLUTION
-------
Ozone Califbrator. 04467-D
Ozone Damage to Plants, 04476-G
Ozone Determination: A Compari-
son Between Chemi lumines cent
and KI Techniques. 09032-D
Ozone Dosage Response of
Ponderosa Pine Seedlings.
10690-G
Ozone Effects an Cell Wall Metab-
olism of Avena coleoptile
Sections .~TO)5-C —
Ozone Exposure and Intelligence
Tests. 10752-F
Ozone Formation in Photochemical
Oxidation of Organic Substances.
17155-M
Ozone and General Atmosphere
Circulation. 04154-C
Ozone in High-Altitude Aircraft
Cabins. 07083-J
Ozone in High Concentrations as
Cause of Tobacco Leaf Injury.
04582-G
Ozone Intoxication - Recent Find-
ings in the Fields of Pathology
«id Prevention, 10390-F
Ozone Levels at Hamilton, Ontario.
00688-J
Ozone and Lipid Peroxidation.
10611-F
Ozena Measurement Survey in Co*n-
mercial Jet Aircraft. 06169-J
Ozone Measurements With Socket-
Bome Ozonesondes. 02458-C
Ozone Needle Mottle of Pine in
Southern Califoznia, 09114-G
O3 and NO? Formation by Irradiation
of a N2 - O2 Gas Mixture in a
Flowing System at Elevated
Pressures, 0441Q-M
Ozone Observations at Base King
Baudouin in 1965 and 1966,
13153-D
Ozone and Ozone Precursors in the
Atmosphere of Chapel Hill, North
Carolina, 04348-J
Ozone Poisoning; Serious Human
Intoxication, 06618-F
Ozone, a Possible Cause of White
Pine Emergence Tipburn. 03531-G
Ozone Preparation and Stability
in High Concentrations (Volume
2 Bibliography) (Final Report).
03356-M
Ozone Resistance of Leaves as Re-
lated to Their Sulfhydiyl and
Adenosine Triphosphate Content.
16287-G
Ozone in the Service of Large
Scale Chemistiy. 01218-F
Ozone Stipple of Grape Leaf.
05902-G
Ozone and Sulfur Dioxide Synergism:
Injury to Tobacco Plants.
01421-G
Ozone as a Tobacco Toxicant,
00953-G
Ozone Toxicity Hazard in Cabins of
High Altitude Aircraft - A Re-
view and Current Program.
00787-C
Ozone Toxicity (A Review of the
Literature Through 1953),
04494-F
Ozone Toxicity Studies. HZ,
Chronic Injury to Ungs of
Animals Following Exposure
at a Low Level, 03620-F
Ozone Toxicity Studies: Destruc-
tion of Alveolar Septa--a
Precursor of Brrphysema. 00836-F
Ozone Toxicity and Substances As-
sociated With its Production,
01330-F
Title Intex
-------
02one Toxicity to Sugar Maple.
16362-G
Ozone Toxicology - A Review of
Research and Industrial Ex-
perience, 00852-F
Ozone - An Underestimated Envi-
ronmental Hazard. 13182-A
Ozcnesonde, Bubbler Type (Final
Report) 12196-D
Ozonolysis. Evidence for Carbcn-
yl Oxide Tautomerizaticn and
for 1,3-Dipolar Addition to
Olefins. 00565-M
Ozonospheric Modification by
Missle Exhaust. 06994-C
P
Paint Finisher and Air Pollution.
05471-E
Paint Industry Approach to Sol-
vent Emission Control. 11090-E
11090-K
Paper and Thin-Layer Electrcpho-
retic Separations of Polynuclear
Aza Heterocyclic Compounds.
04328-D
Paramagnetic Resonance of Same
Benzophenone Derivatives in
Their Phosphorescent State.
07097-D
Paramagnetic Resonance Study of
Nitric Oxide Hemoglobin.
15817-M
Parameters. 06722-A
Parameters of Aeronetrie Measure
ments for Air Pollution Re-
search. 03520-D
Parameters for Biocolloidal
Matter in the Atmosphere.
01801-M
Paranitric Acid. 10910-M
Parkersburg, West Virginia,
Marietta, Ohio Air Pollution
Abatement Activity. 09590-J
Partial Coirtbustion of Residual
Fuels. 04668-M
Partial Oxidation Products Formed
During Combustion. 10475-1
0S643-M
Partial Oxidation Products Formed
During Conbustian (Sixteenth
Progress Report July 1 to Dec.
31, 1966). 02734-M
Partial Oxidation Products Formed
During Combustion. (Eighteenth
Progress Report: July 1 to
Decenber 31, 1967.) 09046-M
Partial Recirculation of Diesel
Engine Exhaust for Reduction of
Oxides of Nitrogen. 00569-E
Participation of Sulfhydryl Groups
in Fatty Acid Synthesis by
Chloroplast Preparations.
05096-G
Particulate and Gaseous Pollution
in New South Wales Cities,
05500-J
Pathobiology of Air Pollutants.
08570-F
Pathogenesis of the Nitrogen
Dioxide-Induced Lesion in the
Rat Lung: A Review and Presen-
tation of New Observations.
11S6S-F
Pathological Effects of Exposure
to Pulmonary Irritants at
Ambient Air vs. SPSIA 1001
Oxygen Atmosphere for Periods
up to 90 Days. 08027-F
Pathology of Smog, 04175-F
Peak Changes in Electrocardio-
grams of Rats Exposed to Air
Ions. 02163-F
Periodic Acid, A Novel Oxidant of
Polycyclic, Aromatic Hydrocar-
bons. 11147-M
1442
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Permissible Concentration of
Air Pollutants in Soma
Countries. 07490-L
Permissible Concentration of Air
Pollution. 09137-K 09137-L
Permissible Concentrations of
Nitrous Gases. 06573"!
Peroxyacetyl Nitrate Inhalation.
00649-F
Peroxyacetyl Nitrate Induced In-
hibition of Green Pea Stem
Growth* 15S78-G
Petroleum Refining Industry - Air
Pollution Problems and Control
Methods (Informative Rept, No.
1). 01620-E
Phenomenon of Macrophage Congre-
gation in vitro and its Re-
lationship to m vivo NO? Ex-
posure of Guinea Pigs. 16661-F
Philips-Stirling Engine. 15243-M
Phosgene in Air-Development of
Inproved Detection Procedures.
01236-D
Photoactivaticn of Polynuclear
Hydrocarbons. Q0663-M
Photochemical Addition of Hydro-
gen Bromide to 2-Butene in the
Gas Phase. 02258-M
Photochemical Aerosol Formation
in Sulfur Dioxide-Hydrocarbon
Systems. 07108-M
Photochemical Air Pollutants and
Their Effects on Men and
Animals. 09061-F
Photochemical Air Pollutants and
Their Effects on Men and
Animals. I. General Charac-
teristics and Ccmifluiity Concen-
trations. 08330-C
Photochemical Air Pollutants and
Their Effects on Men and
Animals. II Adverse Effects.
09565-F
Photochemical Air Pollution Damage
to Plants. 0361S-G
Photochemical Air Pollution
Syndrome as Exhibited by the
Attack of October 1965. 00S02-C
Photochemical Aspects of Air Pol-
lution: A Review, 00757-C
Photochemical Changes in Thin-
Layer Chromatograms of Polycy-
clic, Aromatic Hydrocarbons.
06955-D
Photochemical Decomposition of
Hydrogen Sulfide. The Reactions
of Hydrogen Atoms and HS
Radicals. 09749-M
Photochemical Effects of Nitrogen
Oxides (Chapter VIII of the
Oxides of Nitrogen in Air Pol-
lution) . 01575-B
Photochemical Formation of Drop-
lets With Low Evaporation Rate
From Organic Vapor in the Air.
06069-C
Photochemical Measurements of
Ultraviolet Sunlight. 01027-C
Photochemical Oxidation of Benzo-
(ajyrene 028S3-M
Photochemical Oxidation of Sulfur
Dioxide in Atmosphere. 11459-J
Photochemical Oxidations, I.
Ethyl Iodide, 03488-M
Photochemical Oxidations. II.
Methyl Iodide. 04583-M
Photochemical Oxidations, III.
Acetone. 02S34-M 07500-M
Photochemical Oxidations. IV*
Acetaldehyde. 02535-M
Photochemical Processes in Ex-
plosion of Ozone, 02869-C
Photochemical Reaction Engineering,
159B6-M
Title Index
1443
-------
Photochemical Reaction of Hydro-
gffn Peroxide With Allyl Alcohol
-3, 3-D2. 00611-C
Photochemical Reaction Mechanisms
for Production of Organic Com-
pounds in a Primitive Earth
Atmosphere, 15713-C
Photochemical Reaction Products
in Air Pollution. 03618-0
Photochemical Reactions of Alpha,
Beta-Unsaturated Catbcmyl Com-
pounds With Olefins. 07510-M
Photochemical Reactions in the
Gas Phase and Slater's New
Approach to Rate Theory.
15140-M
Photochemical Reactions of Hy-
drocarbons With Sulfur Dioxide.
02359-C
Photochemical Reactivities of Ex-
hausts From 1966 Model Auto-
mobiles Equipped to Reduce
Hydrocarbon Bnissians, 05533-C
Photochemical Reactivities of
Paraffinie Hydrocarbon-Nitrogen
Oxide Mixtures Upon Addition
of Propylene or Toluene.
12320-M
Photochemical Reactivity of
Solvents. 08558-M
Photochemical Reactivity of
Trichloroethylene and Other
Solvents. 1S3S4-D
Photochemical Snog; An Appraisal
of Ketone Reactivity. 15351-B
Photochemical Studies of Air Pol-
lution. II. Studies on Photo-
chemical Products of Auto
Exhaust, 15911-M
Photochemical Studies in an
Alkali Halide Matrix. 01210-M
Photochemical Studies in Rigid
Matrices. II, A Study of
the Photochemical Reactivity
of Anthracene in Polystyrene
and the Development of an o-
Nitrobenzaldehyde Actincmeter
in Polymethylmethacrylate.
10519-M
Photochemical Transformation of
a Beta, Gamma Epoxy Ketone.
00355-M
Photochemically Induced Reactions
of Acetylenes With Aromatic
Compounds (Final Report).
01194-C
Photochemistry of 2-Alkylamino-
phenoxa2-3-ones. 01186-M
Photochemistry of the Azoalkanes,
11239-M
Photochemistry of Gama-Butyro-
lactone in the Liquid Phase.
10512-M
Photochemistry - A brewing
Technology. 02788-M
Photochemistry of Heterocyclic
Compounds (A Literature Survey),
04285-M
Photochemistry of Ketones and
Aldehydes, 12169-M
Photochemistry of Ni(-) in Aqueous
Solution at 254 Millimicrons.
01106-C
Photochemistry of Ozone in a Moist
Atmosphere. 01458-C
Photochemistry and Smog. 01326-C
Photochemistry of Solvent Vapors.
09S67-C
Photochemistry of the System
Ketene-NO-Hj, 09078-M
Photochemistry of Unsaturated
Carbcnyl Derivatives and
Related Snail Ring Systems.
02445-M
1444 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Photochemistry of Unsaturate
Systems Containing Metero
Atoms Other Than Oxygen
(Final Report Sept. 1965-
May 1966), 03009-M
Photocyclizaticn of 3,3-
Dimethyl-l-Phenylbutene-1. A
Novel Photoinduced 1,2-
Methyl Migration, 003S6-M
Photodeconposition of ClfoO, CD5O,
CMDO and m2°-CD20 Mixtures at
Xenon Flash Lamp Intensities,
11243-M
Photodptachmentof 14317-M
Photodynamic Bioassay of Poly-
cyclic Atmospheric Pollutants.
01302-D
Photoelectric Filter Measurements
of Solar Ultraviolet Irradi-
ances at Los Angeles, California
Oct. 1965. 01690-D
Photoelectric Ozonometer Types.
041S3-D
Photoelectric Spectrophotometer
for Atmospheric Ozone Ob-
servations. 04150-D
Photoelimination of Ethylene
From 2-Pentanone. 01233-M
Photo initiation of Unimolecular
Reactions. The Photolysis
of 2,3-Diazabicyclo (2.2.1)
hept-2-ene. 02528-M
Photoicnization Resonance
Spectra. I. Nitric Oxide and
Benzene. 14293-M
Photolysis of 1, l'-Azo-n-Butane
Vapor; the Reactions oT the
n-Butyl Free Radical, 01648-M
Photolysis of CXb at 470A.
03184-M c
Photolysis of Cyclobutane at
Photon Energies Below and
Above the Ionization Energy,
044S6-M
Photolysis of Cyclopentane at 1470,
1236 and 1048-1067 A. 09267-M
Photolysis of Ketone by 2139-A
Radiation, 12046-M
Photolysis of Nitrogen Compouids.
04870-M
Photolysis of NO? in the Presence
of SQz at 3660 A. 13889-M
Photolysis of Ozone by 254-, 313-,
and 334-NM Radiation. 15746-M
Photolytic Degradation as a Means
of Organic Structural Deter-
mination. 08105-M
Photolytic Desulphurizaticn of
Dibenzoylstibene Episulphide,
00353-M
Photolytic Processes in Perflu-
orocyclobutanone Vapor*
02337-M
Photometric Determination of Low
Ozone Concentrations in Waters.
14201-D
Photo-Oxidation of Acrolein-
Nitrogen Oxide Mixtures in Air.
01718-C
Photo-Oxidation of Alkylbenzene-
Nitrogen Dioxide Mixtures in
Air, 01825-C
Photo-Oxidation of 2,2*-Azoiso-
butane at 25C. 03624-M
Photooxidaticn of l.l'-Azoiso-
butane; The Reactions of the
Isobutyl Free Radical With
Oxygen. 11248-M
Photooxidaticn of Azoraethane at
25 Degrees C. 05821-C
Photooxidaticn of Butene-l by
Nitrogen Dioxide at Short Wave-
Lengths, 09079-M
Photoooddaticn of Carton Monoxide
on Zinc Oxide. 0S099-M
Title Index
1445
-------
Photooxidation of Diethyl Ketone
Vapor. 08353-M
Photooxidation of Formaldehyde
at Low Partial Pressures of
Aldehyde, 04404-M
Photooxidation of Hydrocarbons.
01747-M
Photooxidation of Hydrocarbons in
the Presence of Aliphatic
Aldehydes. 02777-C
Photooxidation of Hydrocarbons
in the Presence of Aliphatic
Ketones, 05333-M
Photooxidation of Perfluoroethyl
Iodide and Perfluoro-n-Propyl
Iodide. 02517-M
Photooxidaticn of Pjcpicnaldehyde
at Lew Partial Pressures of
Aldehyde. 00921-C
Photooxidation of Propylene With
Nitrogen Oxide in the Presence
of Sulfur Dioxide. 08845-M
Photophoresis and the Descent of
Particles into the Lower
Stratosphere. 04677-C
Photoreduction of Cyclopentanone
and Cyclobexanorie, 08829-M
Photoreduction of 2,2-Dipenyl-l-
Picrylhydrazyl (DPPH) in
Hydrocarbons. 02496-M
Physical and Chemical Processes
in Air Caused by Ionizing
Radiation. 05683-C
Physical Principles of the
Spectroscopy of Light-Scatter-
ing Substances. 10408-M
Physics and Chemistry of Atmo-
spheric Emissions and Im-
ndssians, 147GS-D
Physiologic, Biochemical, Im-
munologic and Pathologic
Changes Following Ozcne Ex-
posure. 03082-F
Physiological and Biochemical Ef-
fects of Atmospheric Oxidants on
Plants, 0D950-G
Physiological Changes in the Lungs
of Rabbits Continuously Exposed
to Nitrogen Dioxide. 06746-F
Physiological Changes in and Ozone
Susceptibility of the Tomato
Plant After Short Periods of in-
adequate Oxygen Diffusion to the
Roots. 01904-G
Physiological Effects of the Air
lens, 00446-C
Physiological Effects of Measured
Air Ions. (Experiment No, 1 of
Biological Action of Ionized
Particles in the Atmosphere).
00124-D
Physiological Response of Plants
to Air Pollutants. 03629-G
Phytotoxicity of Nitrogen Dioxide
(Chapter VII of the Oxides of
Nitrogen in Air Pollution).
01574-B
Pilot Study of Air Pollution in
Birmingham, Alabama. 00005-J
Pilot Stutfy of Air Pollution in
Lynchburg, Virginia, 03513-J
Pilot Study of Air Pollution in
Providence, Rhode Island.
03468-J
Pilot Study of Air Pollution in
Washington, D, C. 03434-J
Pilot Study of Air Quality in
Winston-Salem, North Carolina
(Nov. 28-Dec, 5, 1962),
03406-J
Pilot Study of Ultraviolet Radi-
ation in Los Angeles, October
1965. (A Report on Concurrent
Measurements Made by Cooperating
Organizations by Various
Methods.) 01481-C
1446 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Plant Damage by Air Pollution,
03616-G
Plant Damage Caused by Irradia-
tion of Aldehydes. 00961-G
Plant Damage and Eye Irritation
From Ozone-Hydrocarbon Re-
actions. 05680-F
Plant Damage: An Indicator of
the Presence and Distribution
of Air Pollution. 02299-G
Plant Damage by Pollution Derived
From Automobiles. 03S96-G
Plant Injury Induced by Photo-
chemical Reaction Products of
Propylene-Nitrogen Dioxide
Mixtures. 05610-G
Plant Injuiy by Ozone. 14962-G
Plant Life as Air Pollution In-
dicators. 06557-G
Plant Response to Polluted AiT.
05724-G
Plasma Production by a High-Power
Q-Switched Laser. 1S056-M
Plastic Bags for Collection of
Gas Sanples. 01839-D
J
Plastic-covered Greenhouses
Supply Controlled Atmospheres
to Citrus Trees. 04853-G
Plastics and Air Pollution.
08377-B
Pneumoconiosis of ARC Welders,
07347-F
Poisonous Effects of the Iirpuri-
ties of Nitrous Oxide, 16907-F
Polarographic Studies of Oxygen
Exchange in Experimental Hy-
gienic Investigations. 11490-F
Polluted Urban Air and Related
Environmental Factors in the
Pathogenesis of Pulmonary
Cancer. 08243-F
Pollution of the Atmosphere in the
Detroit River Area. 034S3-J
Pollution Dwarfs White Pines.
13174-G
Pollution by Exhaust: U.S. Law and
a U.K. System. 04659-E
Pollution in Road Tunnels. 15769-B
Pollution of the Urban Atmosphere
by Nitrogen Oxides. 06877-E
Portable Ethylene Chemiluminescence
Ozone Monitor* 17023-D
Portable Monitor for the Esti-
mation of Tritium in Aqueous
Sanples. 01462-D
Portable Smoke Photometer. 11197-D
Portland's New Air Quality Control
Program. 00528-J
Possibilities of Decontaminating
Exhaust Gases of Otto Engines.
00269-E
Possible Applications for Research
on Atmospheric Air Ions at the
Biological Laboratories.
06627-B
Possible Contribution of a Mole-
cular Mechanism to the Photo-
decomposition of Nitrogen
Dioxide. 04286-M
Possible Effect of Wavelength of
the High-Frequency Discharge on
Gaseous Chemical Reactions.
16422-M
Possible Formation of Crossed
Pinacos in the Photolysis of
Banzqphencne Mixtures. 02494-M
Possible Formation of Photochemical
Smog in Italy: Synthesis and
Determination of Peroxyacyl-
nitrates in the Laboratory and
in the Outdoor Air of Genoa.
16927-J
Title Index
1447
-------
Potential Automatic Detector of
Small Amounts of Oxidizing Gas
Using Potassium Iodide as a
Reaction Indicator, 07401-D
Potential Automatic Detector of
Small Amounts of Oxidizing Gas
Using Potassium Iodide as a
Reaction Indicator. (2).
Study of Fluid in the Cell and
Salt Bridge Conposition.
07402-D
Potential Crosslinking Agents in
Lung Tissue* 00659-F
Potential Detection of Pollutants
in the Atmosphere Using a Re-
mote Sensing Device. 17048-D
Potpourri That is Exhaust Gas.
01384-B
Power Economy and Air Pollution.
14732-F
Power Industry and Air Pollution.
00024-B
Practical Solutions of Air Pol-
lution Problems From Oiemical
Processes. 01125-E
Precipitation Potentials in a
Homogeneous Aerosol, 0540S-C
Precisian Flow Dilution System
for Standard Low Concentrations
of NitTogen Dioxide. 00385-D
Preliminary Consideration of the
Biological Significance of Air
Ions. 16155-F
Preliminary Observations on the
Relationship Between Eye Ir-
ritation in Synthetic System
and in the Atmosphere.
01S96-F
Preliminary Report Air Pollution
Surveillance Study, Tucson,
Arizona. 03407-J
Preliminary Report on Gasoline
Evaporation Losses, 03759-B
Preliminary Results of Compu-
tations of the Aerosol Scatter-
ing Functions Obtained From
Populations Following Power Law
Particle Size Distribution.
16392-C
Preliminary Results of Toxicity
Studies in 5 PSIA 100t Oxygen
Environment. 03820-F
Preliminary Studies on Light-in-
duced Catbon Monoxide in Closed
Environments. 02472-M
Preliminary Study of Character-
istics of Photoionization De-
tector for Gas Chromatography.
00771-D
Preliminary Study on the Possi-
bility of Estimating Total
Atmospheric Ozone From Satellite
Measurements. 08049-D
Preparation of Ammonium Sulfate
From Low Concentrations of
Sulfurous Gases by Oxidation of
SO3 in the Liquid Phase Using
Atmospheric Oxygen in the
Presence of Nitrogen Oxides,
Used as Initiators, 10591-E
Preparation and Analysis of
Calibrated Low Concentrations
of Sixteen Toxic Gases, 17128-D
Preparation, Collection, and
Measurement of Aerosols.
04967-M
Preparation of Insoluble Aerosols
Containing Mixed Fission
Products. 04475-M
Preparation and Kinetic Properties
of Intermediates In the
Reaction of Hemoglobin With
Ligands. 15808-M
Preparation of Standard Diluted
Gas for Calibration by Teflon
Permeation Tubes, 17279-D
Presence of Oxidants in the Atmo-
sphere of Certain Town in the
U.S.S.R. 07830-D
1448
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Present Condition of Air Pol-
lution in Yokohama Area.
' 07239-J
Present Day Conditions of Atmo-
spheric Air Pollution by Auto-
mobile Exhaust Gases in Cities
and Problems of its Control,
08165-B
Present Status of Air Pollution.
04212-B
Present Status of Air Pollution
in Osaka City. Q6141-J
Present Status of Research on
Air Pollution. 0S932-A
Present Situation of Counter
Measures for Public Nuisance
in Japan. Q7371-J
Prevention of Air Pollution
Damage to Plants by the Use
of Vitamin C Sprays, 07610-G
Prevention of Air Pollution in
the State of North Rhine-
Westphalia. 06967-E
Prevention of Plant Damage From
Air-Borne Oxidizing Agents.
05698-G
Primary Photochemical Processes
in Aromatic Molecules.
06646-M
Primary Processes in the Photo-
chemical Decomposition of
NitToalkanes. 05904-M
Primary Processes in the Photo-
lysis of Ethyl Nitrate,
03561-M
Primary Photophysical Processes
in the Photochemistry of Sulfur
Dioxide at 2875 A. 11249-M
Primary Standards for Trace Gas
Analysis. 01577-D
Principles of Treatment of
Poisoning by Higher Oxides of
Nitrogen. 16613-F
Probabilities of Spontaneous
Radiation Corresponding to the
Vibrational - Rotational Bands
of Aumonia, Acetylene, and
Sulfur Dioxide. 16038-M
Problem of Hygienically Permis-
sible Limiting Concentrations of
Air Pollution, 00411-L
Problem of Limiting Emission of
Toxicants by Motor Vehicles in
Europe. 14475-L
Problem of Providing Adequate
Ventilation at the Point of
Work During Gas and ARC Welding.
01740-B
Problem of Reduced Visibility
From Air Pollution. 02961-D
Problems of Air Pollution Due to
Vehicle Emissions Gases.
06144-E
Problems of Air Pollution in
Plant Pathology, 0S344-G
Problems of Basic Urban Air Pol-
lution. 03202-B
Problems and Developments in
Monitoring Air Pollution
Sources, 07889-D
Problems of Occupational Hygiene
and Health Measures in Plasma
Spray-Coating of Metals.
08461-F
Problems of Relating Atmospheric
Analysis to Effects of Air Pol-
lution on Agriculture. 00126-D
Problems of the Removal of Nitric
Oxide in Electrostatic Pre-
cipitators. 12990-B
Procedure for Calibrating a Con-
tinuous NO2 Analyzer, 05606-D
Procedure for Eliminating ODddes
of Nitrogen From Gases Used in
Amnonia Synthesis. 14801-E
Title lnd«x
1449
-------
Process for Decomposition of
Oxides of Nitrogen. 14031-E
Process for Determining Sulfate
in the Presence of Some Dis-
turbing Caticns. 11965-M
Process and Equipment for the Re-
moval of Nitrous Gases From
Waste Gases, 14630-E
Process of Oxidation of Nitrogen
Oxides in the Presence of
Equimolecular NO ~ NOj Ab-
sorption in the Dilute Tail
Gases of Nitric-Acid Plants.
15087-B
Process for the Removal of Nitric
Oxide From Gases. 135S0-E
Proceedings of the Rocky Mountain
Regional Conference on Air Pol-
lution (November 15-17, 1967).
11828-A
Product of Photochemical Reaction
as Reflected on Vegetation
Grown in Brooklyn Botanical
Gardens. 05131-G
Production of Atomic Oxygen by
the Thermal Decomposition of
Ozone. 03016-M
Production of Concentrated Nitric
Acid From Nitrous Gases. Parts
A and B. 13948-M
Production and Discharge of Toxic
and Radioactive Gases in the
'Linac' Tunnel in Frascati.
16691-E
Production of Pure Peroxyacyl
Nitrates. 03292-G 00238-M
Products and Biological Effects
From Irradiation of Nitrogen
Oxides With Hydrocarbons or
Aldehydes Under Dynamic Con-
ditions. 01402-F
Products of Gonbustion of Gaseous
Fuels. 04995-B
Products of the Cannon Influence
of Sulfur Dioxide and Chlorine
on Aliphatic Hydrocarbons in
Ultraviolet Light. IV Part: The
Products of the Common Influence
of Sulfur Dioxide and Chlorine
on N-Dodecane. 16605-M
Products of the Reaction of
Peroxyacetyl Nitrate With
Sulfhydryl Compounds. 07445-M
Program Development Through Ap-
plying Measurements and Moni-
toring Knew-Hew. 04596-D
Progress in Control of Vehicle
Emissions. 01167-E
Progress in Medical Research on
Air Pollution. 00281-F
Progress Report on the Chemistry
of Comnunity Air Pollution.
01591-F
Progress Report on the Photo-
chemistry of Polluted Atmo-
spheres. 01603-F
Progress Report - Tracer Studies
in Air Pollution: I. Sulfur
Dioxide. 076S4-D
Project Fog Drops: Investigation
of Warm Fog Properties and Fog
Modification Concepts. 01203-C
Promotion of Chemical Reactions
by Electrical Discharge. 15122-M
Properties and Relationships of
Ether Soluble Organic Parti-
culates in the Los Angeles
Atmosphere. 05801-C
Proposal for an Infrared Maser
Dependent on Vibrational Ex-
citation. 1S114-M
Protection by Antioxidants Against
Ozone Toxicity in Mice.
15206-F
Protection by Sulfur Compounds
Against the Air Pollutants
Ozone and Nitrogen Dioxide.
01324-F
1450 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Protective Effect of Pretreat-
ment With Small Gas Concen-
trations Against Fatal
Pulmonary Edema Caused by
Irritant Gases, 11470-F
Pseudochromatographic Micro*
analysis Utilizing Gas-Solid
Equilibria. Determination of
NO2, N0C1, Cl2, HC1, CO2 and
H2O. 15752-D
Pseudomonas: Delayed Occurrence
in Lung Tissue Cultures From
Guinea Pigs Exposed to NO?.
03261-F
Public Health Aspects of Increas-
ing Tetraethyl Lead Content in
Motor Fuel. 07270-F
Public Nuisance Problem and Its
Cointermeasure in Yokkaichi
City. 07529-J
Public Reaction to Air Pollution
in Nashville, Tennessee,
01069-N
Pulmonary Effects of Air Pollu-
tion. 16830-F
Pulmonary Function Impairment
Produced by Atmospheric Pol-
lution, 01698-F
Pulmonary Function Studies Used
to Evaluate Air Pollution Asthma
Disability. 03529-F
Pulmonary Function in Welders Ex-
posed to Ozone. 01977-F
Pulmonary Reactions to Toxic
Gases. 08054-F
Pulmonary Resistance Measurement
of Guinea Pigs. 00033-F
Pulse-Sanpling Technique for the
Study of Electron-Attachment
Phenomena. 00119-M
Purification of Air Polluted by
Vapors and Gases. 08162-E
Purification of Exhaust Gases From
Nitric Acid Plants. 16726-E
Purification Method of Gas Con-
taining Nitrogen Oxides.
15650-E
Put Ozone to Work Treating Plant
Waste Water. 06688-E
Q
Quality Standards for Air and
Water. 01270-J
Quantal Response in Environmental
Toxicology. Part I. The
Measurement of Eye Irritation as
Quantal Response for Correlation
With Aerometric Data Frost Pol-
luted Atmospheres, Q9416-F
Quantal Response in Environmental
Toxicology. Part II. Normality
of the Distribution of Quantal
Measurements of Eye Irritation
Obtained in Downtown Los
Angeles. 09414-F
Quantitative Determination of
Gaseous Air Pollutants by Lang
Path Infrared Transmission
Spectroscopy. 10658-D
Quantitative Determination of
Parts-per-Million Quantities of
Nitrogen Dioxide in Nitrogen
and Oxygen by Electron-Capture
Detection in Gas Chromatography.
02492-D
Quantitative Measure of Photo-
chemical ly Reactive Aromatic
drocarbons in Enamels and
inners. 09028-B
Quantitative Relation Between
Ozone Concentration and Re-
duction of Photosynthesis of
Eugenia gracilis. 12047-G
Quantum Yields During Dilute Gas
Phase Photolysis of Ethyl
Nitrite in the 3,500 A. Region.
04863-M
Titl# Indflx
14S1
-------
Quenching Reactions of the
First Excited Singlet and
Triplet States of Sulfur
Dioxide With Ox/gen and Carbon
Dioxide. 11245-M
Quenching of the Triplet State of
Acetone and Biacetyl by Azoal-
kanes. 01888-M
Quenchophosphorimetrie Analysis
for Conjugated Compounds,
00386-D
Question of Two Reactive Oxygen
Singlets, 11533-M
R
Radar Cross Sections for Totally
Reflecting Spheres. 08717-M
Radiation - Induced Oxidation of
Hydrocarbons. 044S4-M
Radiactive and Photochemical
Processes in Mesospheric
Dynamics: Part I, Models for
Radiative and Photochemical
Processes. 01305-C
Radiative and Photochemical Pro-
cesses in Mesospheric Dynamics:
Part II. Vertical Propagation
of Long Period Disturbances
at the Equator. 01406-C
Radiative and Photochemical Pro-
cesses in Mesospheric Dynamics:
Part III. Stability of a
Zonal Vortex at Midlatitudes
to Axially Symmetric Distur-
bances. 01407-C
Radiative and Photochemical Pro-
cesses in Mesospheric Dynamics:
Part IV. Stability of a
Zonal Vortex at Midlatitudes
to Baro-clinic Waves. 01408-C
Radioactive Aerosols and Vapours.
08744-C
Radiotracer Study of the Pro-
duction of Formaldehyde in
the Fhotooxidaticn of Ethyl-
ene in the Atmosphere in the
Atmosphere (Part II—The Effect
of Other Compounds on Yield and
Conversion. 05611-M
Radon-Daughter Ions and Their Re-
lation to Some Electrical Pro-
perties of the Atmosphere.
03842-C
Range o£ Applicability of Catalytic
Fume Burners. 07620-M
Rapid Actinometer for Photo-
chemical Air Pollution Studies.
00550-D
Rapid Continuous Determination of
Nitric Oxide Concentration in
Exhaust Gases. 06433-D
Rapid Method for the Determination
of Harmful Gases and Vapors in
the Air. 02439-D
Rapid and Sensitive Colorimetric
Reagent for Nitrogen Dioxide
in Air. 03096-D
Rapid Survey Technique for Esti-
mating Community Air Pollution
Emissions. 00336-D 00336-K
Rate and Mechanism of Gas-Phase
Oxidation of Parts-per-Mi11ion
Concentrations of Nitric Oxide.
00432-C
Rate of Oxidation of Nitrite Ions
in Dilute Solutions of Sodium
Nitrite in Molten Lithium
Perchlorate. 14092-M
Rate of the Reaction Between
Nitric Oxide and Oxygen,
10911-M 13968-M
Ratio of Sulfur Dioxide and
Sulfuric Acid Aerosol in Atmo-
spheric Air. 08197-C
Reaction of Active Nitrogen With
Mixtures of Ethylene and Nitric
Oxide. 0S226-M
Reaction of Airborne Rhizobium
Meliloti to Some Environmental
Factors. 1S732-F
1452 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Reaction Bad Odor Substances
With Ozone. 15772-E
Reaction Between 0(3P) and Con-
densed Olefins Below 100 Deg K.
07498-M
Reaction Between Methyl Sulfide
and Oxygen in a Static System.
08254-M
Reaction and Deactivation of
O(D'). 1S785-M
Reaction Equations for the Re-
versible System N5O4 Yields
2N0* Yields 2ND Plus O7 in a
Flow. 14056-M
Reaction of Free Radicals With
Sulphur Dioxide. Part I.
Methyl Radicals. 16913-M
Reaction in the Hargreaves Pro-
cess. 14675-M
Reaction of Nitric Oxide With 1,-
3-and 1,4-Cyclohexandienes.
0S425-M
Reaction of NO (AjSigma) With
C02. 04277-M
Reaction of Nitrogen Dioxide With
Griess Type Reagents. 17063-M
Reaction of Oxygen Atoms With
Acetaldehyde, 003S7-M
Reaction of Ozone With Hydrogen
Sulfide. 03968-M
Reaction of Peroxyacetyl Nitrate
With Sulfhydryl Groups of
Proteins. 01699-F
Reaction Rate Data for Some
Nitrogen-Oxygen Species.
06473-M
Reaction Rates of Carbon Monoxide
With Hydroxyl Radicals and
Oxygen Atoms. 07S17-M
Reaction of Son Oxides of
Nitrogen With Atomic Oxygen
and Nitrogen, 13417-M
Reaction of Oxygen With Nitrous
Oxide. 1S7S6-M
Reaction of Phosphoric Anhydride
With Nitrogen Dioxide and With
Nitric Oxide. 13S46-M
Reaction and Properties of Nitric
Oxide and Its Compounds. II.
Studies of the Salts of Nitric
Qxide-Sulfurous Acid. 13407-M
Reaction of SO, and 0, in Aqueous
Solutions of2 H1SO4. 04626-M
Reactions of Atomic Oxygen With
Acetylene (I) Kinetics and
Mechanisms. 00161-M
Reactions of Methyl Radicals in
the Solid -, Liquid -, and Gas-
Phase Photolysis of Dimethyl-
mercury. 02243-M
Reactions of Oxygen Atoms and Ozone
in Air Pollution, 02476-C
Reactions of ID Oxygen Atoms IV.
Reactions With N?0, N? and CO?.
09077-M
Reactions and Properties of Nitric
Oxide and Its Compounds, I. On
the Reaction Between Nitric
Oxide and Sodium Hydrosulflte.
13633-M
Reactions of Sulfur Dioxide and
Other Air Contaminants in the
Atmosphere. 04338-E
Reactivities of Smog Gonpanents
are Central Issue in Setting
Control Standards. 13527-L
Reactivity of Excited States. In-
tramolecular Hydrogen Atom
Abstraction in Substituted
Butyrophenones. 00916-M
Reactivity of Organic Sitastances
in Atmospheric Photooxidation.
00109-B
Reagent for Sulphur Dioxide.
15301-D
Title Intfax
1453
-------
Recent Aerosol Research - Univer-
sity of Minnesota Particle
Technology Laboratory. 11205-M
Recent Developments in Ambient
Air Quality Guides in Re-
lation to Control of Atmo-
spheric Effluents. 09259-L
Recent Development of Control
Techniques of Automotive
Emissions. 17414-E
Recent Developments in the Study
of the Organic Chemistry of
the Atmosphere. 05818-C
16986-M
Recent Investigations on Atmo-
spheric Ozone. 1634Z-C
Recombination or Combination
Time in Expressions for Volune
lie combination and Combination
of Air Ions and Other Aerosol
Particles, 06925-C
Recombination of Ions in Flames
Effect of Temperature. 05043-M
Recommendations for Allowable
Concentration (1966). 07197-L
Recommended Methods in Air Pol-
lution Measurements. 08894-D
Recording Measurements of Gaseous
Immissicn Concentrations With
a New Analyzer. 02673-D
Recording the Response of Plants
to Various Air Pollutants*
05892-D
Recovery of Nitrogen Oxides From
Industrial Waste Gas by
Cowter-Current Adsorption.
14448-E
Recovery of Nitrogen Oxides From
Low-Concentration Gases With
Activated Carbon in a Moving
Layer. 14073-E
Recovery of Nitrogen Oxides by
Silica Gel. 13S74-M
Redetermination of the Integrated
Intensity of the 15 Micron Bands
of Carbon Dioxide, 01112-M
Reduction of Nitrogen Oxide in
Automobile Exhaust. 14034-E
Reduction-Oxidation Mechanism of
Sulfur Dioxide Oxidation an
Vanadium Catalysts. 13002-M
Reduction in Tobacco Pollen
Germination and Tube Elongation,
induced by Lot# Levels of Ozone.
10426-G
Red Emission Bands of Molecular
Oxygen. 01102-M
Regularities in Horizontal Dis-
tribution of and Seasonal
Change in Atmospheric Ozone.
04158-C
Regions of Formation of Atmospher-
ic Ozone. 10958-B
Regulation of New Motor Vehicles.
08075-E
Relating Lipid Content and Fatty
Acid Synthesis to Ozone Injury
of Tobacco Leaves. 16312-G
Relation of Atmospheric Ccntami-
Nation With Air Ions. 00445-J
Relation of Atmospheric Contami-
nants and Ozone to Light-
fastness. 09041-H
Relation of Gustiness to Sulfur
Dioxide Concentration. 00748-C
Relation of Plant Damage to Fuel
Conposition. 05103-G
Relations Between Chemical Com-
position of Atmospheric Aerosol
Particles and the Concentration
of Natural Ice Nuclei. 09398-M
Relations Between Photodeconposi-
tion Modes and Molecular
Structure in the Series of
Caxbonyl Confounds, N-C3H7COR.
01649-C
1454
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Relationship Between Air Pollu-
tion and Selected Meteorologi-
cal Measurements-Presented as
an Exanple Measurement Series
of SO2 and NO- Over a Period
of Several Years. 08805-C
Relationship Between Bronzing in
White Beans and Phytotoxic
levels of Atmospheric Ozone in
Ontario. 14351-G
Relationship Between Conductivity
and Nucleus Content of the Air
in the Artie and the Results
of Some Measurements. 06987-D
Relationship Between Carbo-Hydrate
Content and Susceptibility of
Pinto Bean Plants to Ozone
Damage, 05362-G
Relationship Between Sulfur
Dioxide and Particulate Matter
in the Atmosphere, 03701-J
Relationship of Nitrogen Oxides
in Auto Exhaust to Eye Irri-
tation- -Further Results of
Chamber Studies. 08403-F
Relationship of Ozone to Sup-
pression of Photosynthesis and
to the Cause of the Chlorotic
Decline of Ponderosa Pine.
00245-C
Relationship of Smog Chamber
Methodology to Hydrocarbon
Reactivity in Polluted Air.
15634-D
Relationship of Wind Parameters
in Determining Oxidant Con-
centrations in Two New Jersey
Communities. 09S49-C
Relationships of Acute Respira-
tory Disease to Measurements
of Atmospheric Pollution and
Local Meteorological Con-
ditions. 01609-F
Relationships of Atmospheric
Ozone to Needle Blight of
Eastern White Pine. 16354-G
Relationships Between Certain
Meteorological Factors and
Photochemical Smog. 00618-C
Relationships Between 24-Hour
Mean Air Quality Measurements
and Meteorological Factors in
Nashville, Tennessee, 04S48-C
Relative Importance of Some
Meteorological Factors in Urban
Air Pollution. 03386-C
Relative Reactivity of Hydrocar-
bons in Photochemical Smog
Formation and its Practical
Applications, 00344-C
Reliable Low Cost Instrument for
Determining Atmospheric Oxidant
Levels. 04044-D
Remarks on the Nitric Oxide—
Nitrogen Dioxide Conversion.
04633-M
Remote Sensing Correlation Spectro-
metry for Pollution Measurement.
09623-D
Removal of Interfering Sulfur
Dioxide in Atmospheric Oxidant
Analysis. 12140-D
Removal of Nitrogen Oxides Fran
Coke Oven Gas. 13718-E
Removal of Trace Amounts of Nitric
Oxide by Adsorption, 15100-E
Report an Air Pollution and Air
Pollution Control in Cleveland.
07877-K
Report on Air Pollution lit Min-
nesota. 09765-K
Report of Chemical Mutagenesis.
01883-F
Report for Consultation en the
San Francisco Bay Area Air
Quality Control Region, 11408-K
Report to the Legislature an Air
Pollution in Colorado. 01010-J
Title Index
1455
-------
Reprocessing of Nitrogen Qxide-
Containing Waste Gases in
Pickling Plants. 13535-E
Research Approach to the Control
of Emissions Prom Steelmaking
Processes. 06105-E
Research an Atmospheric Optical
Radiation Transmission. The
Triple Scattering and the
Influence of the Angular
Dependent Reflected Radiation
in the Turbid Atmosphere,
15000-M
Research and Development of the
Instrumentation of Ozone Sen-
sing. 04767-D
Research Directed Toward Deter-
mination of Radioactive Pro-
perties and Composition of the
Atmosphere. 14992-D
Research on the Hydroatmosptheric
Pollution of the City of
Toronto. 07701-C
Research Investigating Inter-
action Between Atmospheric
Oxidants and Light in Plant
Systems. 16950-G
Research on the Reactions Between
Nitrogen Peroxide and Sulfur
Dioxide. 14620-M
Research on Therapy of Pulmonary
Edema Associated With Oxidi-
zers. 00428-F
Respiratory Ailments From Air
Pollution. II. Answer to
Prolonged Exposure. Clinical
Picture. 08997-F
Respiratory and Cardiac Deaths
in Los Angeles Smogs. 01327-F
Respiratory Response of Qiinea
Pigs to Histamine Aerosol.
05534-F
Response of Enryme Systems to
Photochemical Reaction Pro-
ducts . 006S8-F
Response of Lactic Acid Dehydro-
genase Positive Alveolar Cells
in the Lungs of Guinea Pigs Ex-
posed to NO2. 032S4-F
Response of Pulmonary Airway Re-
sistance by Interaction of
Aerosols and Gases in Different
Physical and Chemical Nature.
11425-F
Response of Rat Lung Mast Cells to
Nitrogen Dioxide Inhalation.
15812-F
Responses of Enzyme Systems to
Air Pollutants. 00656-F
Results of 1962 Atmospheric Ozone
Observations in OMSK in Juxta-
position With Some Meteorologi-
cal Elements. 04168-C
Results of Exposure of Tissues to
Atmospheric Pollutants.
06367-F
Results of Five Years' Operation
of the National Gas Sampling
Network. 01691-D
Results of the Nitric Oxide
Seeding Program. 0S055-C
Results of Ozone Observations Made
15 February 1961 During a Total
Solar Eclipse. 04164-C
Review of Air Force Data From
Long Term Continuous Exposure
at Ambient Pressure. 03821-F
Review on Air Pollutants Concen-
trations and Their Correlations
on the Basis of AiT Pollution
Phenomena. 17240-J
Review of Air Pollution in New
York State. 05010-J
Review of Ambient Pressure
Animal Exposure Data From
Selected Navy Compounds. 03822-F
Review of Chemical Mutagenesis.
12175-F
1456 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Review of Effects on Animals of
Exposure to Auto Exhaust and
Some of its Conpanents.
01090-F
Review of Oxidation of Polycy-
clic, Aromatic Hydrocarbons.
00058-M
Review of Phys icochemical Methods
for Nitrogen, Oxygen, and
Nitric Oxide Measurements.
07857-D
Review of Restricting Gas Emis-
sion From Nitric Acid Plants.
07093-E
Revision of the Free Energy of
Formation of Sulphur Dioxide.
13009-M
Right to a Clean Environment.
16742-F
Rising Costs. 09313-1
Rocketbome Measurements of
Vertical Atmospheric Ozone Dis-
tribution. 04149-C
Role of Alkali Sulphates in
Vanadiun Catalysts for Sulphur
Dioxide Oxidation. 13533-M
Role of Auxin in Growth of Inhib-
itor Treated Oat Coleoptile
Tissue. 03496-G
Role of Epidemiological Studies
in the Development of Air
Quality Standards, 04054-F
Role of Histamine and Related
Substances in Tolerance to
Edemagnetic Agents. 04048-F
Role of Nitric Ctid.de in Photo-
chemistry. 07717-M
Role of N?®* ®4 and CO in Atmo-
spheric Absorption in the In-
frared. 15729-C
Role of Optics in Air Pollution
Monitoring. 09111-D
Role of Oxygen Atoms in the Atmo-
spheric Reaction of Olefins With
Nitric Oxide. 02851-M
Role of Ozone in Radiation Avoid-
ance in the Mouse, 07099-F
Role of the Public in the Control
of Air Pollution. Part I.
11813-N
Role of Molecular Structure and
Environment in the Reactivity of
Excited States. 00925-M
Removal of Nitric Oxide From Coke
Oven Gas. 161S7-E
Routine Determination of Poly-
cyclic Hydrocarbons in Airborne
Pollutants. 07427-D
Rule 66 - A Part of Total Air Pol-
lution Control. 08S54-K
s
Sanpling Anomaly in the Determi-
nation of Atmospheric Sulfate
Concentration. 01033-D
Sampling and Mass Spectrometer
Analysis of Reaction Products
From the Photochemical Decom-
position of Various Olefins,
01304-D
Scattering of Electromagnetic
Radiation by Particulate
Suspensions in the Atmosphere,
166S3-C
Scattering Indicatrix of the Atmo-
spheric Boundary Layer, 14886-M
Scientific Approach to the Problem,
05572-D
Scientific Basis for Some Medical
Air Quality Guides, 00781-J
Scientific Methods and Techniques
to Decrease the Pollution of
the Environment. Through Inhal-
ation or Ingestion, and of
Acoustical "Nuisances". 02541-E
Title Index
1457
-------
Search foT Some NitTO-Olefins
in Polluted Air. 03112-D
Selected Methods for the Measure-
ment of Air Pollutants.
00845-D
Selective Laser Photocatalysis
of Bromine Reactions. 15118-M
Selective Photochemistry of
Bromine Using a Ruby Laser.
15139-M
Self-Made Mobile Air Sampling
Laboratory, 06388-D
Seraiconduction and Catalysis.
VI: SO? - Oxidation on CR203-
ZRDo Oxide Mixtures With
Special Consideration of the
Higher Degrees of Oxidation of
Chrcardum. 17330-M
Seminar on Air Pollution by
Motor Vehicles. 16263-B
05007-B 0148S-B 00186-B
Sensitive Method for the Re-
cording of Atmospheric Ozone.
17094-D
Sensitive New Method for the
Determination of Nitrites and
Nitrogen Dioxide With 4-
Aminoazobenzane-l-Naphthylanrine.
02799-D
Sensitive New Methods for Auto-
catalytic Spectrophotametric
Determination of Nitrite
Through Free-Radical Chromo-
gens. 02082-M
Separating Fact From Fiction in
Auto Smog Control. 00504-B
Separation of Pyrenediones by
Colurai Chromatography.
06980-M
Several Problems on Control of
Motor Vehicle Exhaust Pol-
lution. 08591-B
Shape of Atmospheric Particles.
(Progress Report, April 1,
1966-August 30, 1967.) 08724-D
Sharp Smog Bank and California
Fog Development. 10436-C
Shock Tube Study of Methane
Oxidation. 13931-M
Short Connunicaticn: Anthocyanin
Formation as a Response to Ozone
and Smog Treatment in Rumex
crispus L. 07501-G
Short-Term Air Pollution Studies.
01770-J
Short Term Conmunity Air Pollution
Studies in Tennessee, 09743-J
Siberian Smoke Haze of 1959.
0S034-C
Significance of Atmospheric Ozone
as a Phytotoxicant. 03098-G
Significance of Visibility
Studies in Air Pollution
Control, 01170-
Siraple .Apparatus for the Deter-
mination of Certain Gaseous or
Volatile Toxic Substances.
07814-D
Sinple Method of Measuring the
Average Charge cn a Monodisperse
Aerosol. 08340-D
Sinple Photodynamic Assay for
Polycyclic Atmospheric Pollu-
tants. 00728-D
Sinple Tests of Respiratory
Function and Study of Sensory
Response in Human Subjects Ex-
posed to Respiratory Tract Ir-
ritants. 03890-F
Simplified Environmentally Con-
trolled Plant Fumigation
ChanbeT Employing Dynamic
Equilibrium Principles. 16488-M
Simulation of the Formation on
Nitric Oxide During Combustion
in an Engine, 14531-E
Simultaneous Absorption of Low
Concentrations of Sulfur
Dioxide and Nitrogen-Containing
Gases by Alkalies and Carbonates
Communication 6. Effect of In-
1450
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
hibitors on the Oxidation of
Calcium Sulfite to Sulfate
by Oxygen of the Air Presence
of Traces of Nitrogen Oxides.
16195-M
Simultaneous Collection of Low -
Concentration Sulfur Dioxide
and Nitrogen Oxide Gases With
Akalies and Carbonates. Part
III. Obtaining Gypsum in a
Large Scale Laboratory Arrange-
ment. 16209-M
Simultaneous Dust and Ozone
Soundings Over North and Central
America. 09467-J
Simultaneous Measurement of
Ozone and Oxides of Nitrogen.
06460-D
Simultaneous Removal of Acid
Gases, Mists| and Pumas With
Mineral Wool Filters. 07552-E
Single-Puts,e Shock Tube Studies
of the Kinetics of the
Reaction N, plus 02 Yields
2N0 (2N0 2 Yields N2 Plus
P2) Between 2000-3000 K.
13505-M
Singlet Oxygen in the Environ-
mental Sciences: The Role of
Singlet Molecular Oxygen in
the Production of Photochemical
Air Pollution. 07257-C
Singlet Oxygen in the Environ-
mental Sciences, Singlet
Molecular Oxygen and Photo-
chemical Air Pollution.
1802S-M
Situation and Control of Auto-
motive Exhaust Emissions in
the Middle City (II) in
Seudai City. 16S39-B
Situation and Control of Auto-
motive Exhaust Emissions in
Sapporo City. 17248-B
Sixth Annual Report of the
Auckland Air Pollution Re-
search Corrmittee. 01864-J
Size Distribution and Interaction
of Radioactive and Natural
Aerosols in the Stratosphere,
09465-C
Size Determination of Atmospheric
Sulfate and Chloride Particulates
(Final Report), 00855-D
Sizing Up Anti-Pollution
Legislation 08463-K
Small Air Ions: Their Effect on
Blood Levels of Serotonin in
Terms of Modern Physical Theory.
Smog Alarm and Legislation.
06124-X
"Snog-Clean" a New Device to
Eliminate City Snog. 07205-E
Smog: The Deadly Poisons Peril
Life in All City Areas.
OS312-B
Smog and Ground Layer Meteorology
(I) - To Investigate on the
Relation Between Weather
Phenomena and the State of Air
Pollution Mainly in Tokyo.
17185-C
Snog and Ground Layer Meteorology
(II). To Investigate on the
Relation Between the Vertical
Variation of Temperature and
the Concentration of Air Pol-
lution. 17197-C
Smog: 1962 and 1952. 00472-F
Smog-Its Origin. 06163-G
Smog-—Our Cities in Crisis,
14727-E
Smog Problem in Los Angeles.
00315-G
Smog Reducing Carburetor. 15640-E
Smog Signals. 04752-X
Smog: The Silent Enenv - (Fourth
Title Index
1459
-------
Smog Tune-Up For Older Cars.
10135-B
Smoke and Air Pollution - New
York - New Jersey. 03454-J
Smoke Pollution of Towns,
03424-B
Smokeless Charging of Coke Ovens.
04634-E
Smokless Combustion ui Oil-
Burning Gas Turbines. 08267-J
Social Organization and Air Pol-
lution. 06945-N
Solar Eclipse. Tenperature,
Wind, and Ozone in the
Stratosphere. 12644-C
Solar Radiation Extinction, Sky
Radiation* Sky Light Polari-
zation and Aerosol Particle
Total NinfceT and Size Distri-
bution on the Island Maui
(Hawaii). 11714-C
Solar Radiation Measurements
on Mauna Loa (Hawaii) and
Their Bearing an Atmospheric
Transmission. 09306-C
Solar Radiation and Skin Cancer
Deaths. 00364-F
Solid Chemical Air Generator.
05048-E
Solid State Ozone Generator.
16721-D
Solubility of Nitric Oxide in
Water Solutions of Certain
Salts. 13823VM
Solvent Emission Control Laws
and the Coatings and Solvents
Industry. 09781-B
Solvent Selection for the Re-
duction of Air Pollution.
10660-E
Solvent, Smog and Rule 66.
08376-B
Solvent and Temperature Effects in
the Photoreduction of Ketones.
09082-M
Some Aspects of the Physical and
Chemical Nature of Air Pol-
lution. 01640-C
Some Effects of Air Ions an the
Activity of Rats. 01737-F
Some Effects of the Air Pollu-
tant, Peroxyacetyl Nitrate,
Upon Deoxyribonucleic Acid and
Upon Nucleic Acid Bases.
16780-F
Some Effects of Ait Pollutants on
the Growth and Productivity of
Plants. 03630-G
Some Effects of Sulfur Dioxide an
Formation of Photochemical
Aerosols, 12142-M
Same Electron Spin Resonance on
Ultraviolet Irradiated
Solutions of Anthraquinone
and Benzofihenone. 07085-M
Some Inplicatian of Ambient Air
Quality Standards. 01955-L
Sam Measurements of Ozone
Variation and Destruction in
the Atmosphere Surface Layer.
10285-C
Some Meteorological Aspects of
Atmospheric Pollution,
03717-C
Some Meteorological Problems Con-
cerning to Public Nuisance Pro-
tection on Air Pollution
Meteorology. 16534-C
Some Observation on Air-Ion-
Enhanced Iron Chlorosis in
Barley (Hordeum vulgaris)
Seedlings, 0043J-G
Some Observations on the Physi-
cological Effects of Gaseous
Ions. 0S241-F
1460 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
/
-------
Some Observations on Air Pollu-
tion in New York City; A
Report to the Mayor. 11803-B
Some Physiological Effects of
Air Ion Treatment Without
Ion. 00123-F
Some Physiologic, Biochemical
and Cellular Responses of the
Lung to Air Pollutants,
16S20-F
Same Properties of Unipolarly
Charged Aerosols (A Review).
03723-F
Some Psychomotor and Physi-
ological Tests on Humans
Exposed to Air Ions. 01738-F
Sam Ramification of Air Con-
tamination. 09060-F
Some Toxic Effects of Air Pollu-
tion on Public Health. 03556-A
Sorption and Reactivity of
Nitrous Oxide and Nitric Oxide
in Crystalline and Amorphous
Siliceous Soibents, 13392-M
Source and Atmospheric Analyses
for Formaldehyde by Chromo-
tropic Acid Procedures.
12136-D
Source Testing Manual, 03010-D
Source Inventory IBM System for
Particulate and Gaseous Pol*
lutants. 00337-B
Sources and Distribution of Air
Pollutions Ascertained by
Stationary Recording of Gaseous
Cojiponents. 02066-B
Sources and Kinds of Contami-
nants From Motor Vehicles
(Information Rept, No. 4).
01624-B
Sources of Plant-Pathogenic Air
Pollutants. 12557-B
Sources of Pollution. 04996-J
Southern California Aerospace In-
dustry's Program to Control
Smog Produced by Chemical Mil-
ling Maskants and Shop Protective
Coatings. 08553-B
Space Cabin Toxicology. 10613-F
Spatial Distribution of Some Hydro-
gen Components in the Mesosphere
and Lower Uiermosphere, 05711-C
Special Report on the Investi-
gation and Stuffy1 of Air Quality
in the Metropolitan (Boston) Air
Pollution Control District 196S-
1966 Under Chapter 89 of the
Resolves of 1964. 12360-J
Species Differences in Methemo-
glob in Reductase Activity.
00132-F
Specificity of Catalysts for the
Oxidation of Carbon Monoxide
Ethylene Mixtures. 04771-M
Specificity of the Tolerance In-
crease Upon Repeated Inhalation
of Gases That Produce Pulmonary
Edema. 10779-F
Spectral Radiant Energy From the
Sun Through Varying Degrees
of Smog at Los Angeles, 05576-C
Spectral Tramission Functions in
Bands of HjjO Vapor, O*, N2O and
the N2 Component in tne Atmo-
sphere. 16315-M
Spectre of Today's Environmental
Pollution—USA Brand: New Per-
spectives Fran an Old Scout,
16739-F
Spectrographs Identification of
Nitric Oxide Occurring in an
Intermediate Fashion in the
Reaction Between Nitrogen
Pentoxide and Ozone. 10902-D
Title Index
1461
-------
Spectrometer for Atmospheric
Ions in Their Upper Most
Range of Mobility (Project:
Measuring Ionic Mobilities
in the Terrestrial Upper
Stratosphere and Mesosphere -
Phase I). 03342-C
Spectrometric Determination of
Mass of Hydrocarbons and
Nitric Oxide in Automotive
Exhaust Gas. 17024-D
Spectrophotofluorimetric Deter-
mination of 3-Carbon Fragments
and Their Precursors With
Anthrone. Application to
Air Pollution. 01922-D
Spectrophotametric Detector for
Oxides of Nitrogen. 09969-D
Spectrophotometry Determination
of Nitrite Through Free-Radi-
cal Chromogens. 02082-M
Spectrophotometry Determination
of Olefins in Concentrated
Sulfuric Acid. 03727-D
Spectrophotametric Determination
of Ozone With Dihydroacri-
dine in the Atmosphere of
Populated Areas. 08436-D
Spectrophotametric Determination
of Thiophene in Air. 11498-D
Spectrophotometry Determination
of Total Oxides of Nitrogen
by Ferrous Sulfate Reaction,
0SO81-D
Spectrophotometric Methods for
Olefins (Colorimetric Deter-
mination of Conjugated
Diolefins). 03679-D
Spectrophotometry of Atmospheric
Emissions. 04223-D
Speed of the Combination of
Nitric Oxide and Oxygen.
10912-M
Spot Test Detection and Spectro-
photametric Characterization
and Determination of Car-
bazoles, Axo, Dyes, Stilbenes,
and Schiff Bases. Application
of 3-Methyl-2-Benzothiazolone
liydrazone, p-Nitrosophenol, and
Fluorometric Methods to the
Determination of Carbazole in
Air. 02090-D
Spot Test Detection and Spectro-
photometry Determination of
Nitrite With p-Phenylazoaniline.
02093-D
Stable Free Radicals in Various
Lignin Preparations. 13484-M
Stability and Variation of Fog
Particles, 00226-C
Standardization of Methods of
Measurement of Air Quality in
Menfoer Countries. 05299-D
Standards foT Air Quality in
California. 08679-L
State of California Motor Vehicle
Pollution Control Board: Pro-
gress Report on Dynamometer
Cycle Development Work. 12011-B
Statistical Characteristics of the
Ozone Layer. 04202-C
Statistical Evaluation of Bye Ir-
ritation. 05792-F
Statistical Procedures for Re-
lating Photochemical Pollution
to Human Physiologic Reactions
Under Controlled Conditions.
11335-F
Statistical Survey of Data Re-
lating to Hydrocarbon and
Oxides of Nitrogen Relationships
in Photochemical Smog, 03978-F
Statistics on Particulate Contam-
inants - San Diego County Air
Pollution Control District
(First Quarter 1966). 00164-D
Status of Air Pollution by Noxious
and Offensive Gases and Their
Control Programs, 17188-K
1462 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Status of Engineering Knowledge
for the Control of Air Pollu-
tion. 04599-E
Status of Present Investigations
and Future Research Needs in
Atmospheric Pollution Control,
04882-D
Status Report: Air Pollution
Control in Australia. 16736-K
Status Report: Study of
Vision Obscuration by
Non Black Plumes 02168-D
Status of Vehicle Emissions in
Air Pollution. 02362-B
Stomatal Action in Plants as Re-
lated to Damage From Photo-
chemical Oxidants. 02209-G
Stomatal Movements: A Yearly
Rhythm. 07453-G
Stomatal Opening in Pinto Bean
During Daylight Hours. 15482-G
Stratosphere as a Chemical Sink
for Carton Monoxide. 17034-C
Stratospheric Monitoring Program
(Semi-Annual Progress Report
MaT. 1964-Aug, 1964), 01192-D
Structural Effects in the Photo-
chemical Processes of Ketones
in Solution, 05100-M
Structural Effects on the Rate
of Nitrogen Dioxide Formation
in the Photooxidation of
Organic Coopound - Nitric
Oxide Mixtures in Air.
01984-C
Structural Ozone Molecule
Models. 04171-M
Structure and Reactivity in the
Vapo-Phase Photolysis of
Ketones, 08877-M
Structure and Reactivity in the
Vapor-Phase Photolysis of
Ketones. V. Aliphatic
Cyclopropyl and Qlefinic
Ketones. 07798-M
Structures of Some Oxides of Ni-
trogen (Sumnary Progress Report
Oct. 27, 1965-Dec. 31, 1966).
03349-M
Struggle Against Air Pollution in
New York. Regulations and Ob-
servations on Their Applications.
00897-K
Studies an Air-Ian-Enhanced Iron
Chlorosis. 00S77-G
Studies on the Air-Ian-Induced
Growth Increase in Higher
Plants. 17210-G
Studies on Air Pollutants. I.
Analytical Methods. 11574-D
Studies an Air Pollutants, II
Measurement Techniques and
Evaluation. 11573-D
Studies on Air Pollution Caused by
Motor Vehicles. 14776-J
Studies of Air Pollution in the
Department of the Seine in 1965.
Part 3. Conditions at Orly Air-
port, 06788-J
Studies of Atmospheric Ozone,
14831-D
Studies on Atmospheric Pollution in
the Soviet Union. 10260-A
Studies of Automatic Recording
Apparatus for Measurements of
Oxidants in Air, 02064-D
Studies on the Biological Effects
of Gaseous Ions - A Review.
00609-F
Studies on Cellulose Synthesis by
a Cell-Free Oat Coleoptile
Enzyme System: Inactivation by
Airborne Oxidants, 04707-G
Studies on Chronic Bronchitis in
Osaka. 08320-F
Studies on Ciliary Movement, Part
II. Effects of Certain Physical
and Chemical Factors an Ciliary
Movement in Frog's Oesophagus.
Title Index
1463
-------
Studies of Combustion Processes
Leading to Ignition of Some
Oxygen Derivatives of Hydro-
carbons. 03985-M
Studies of the Determination and
Reactions of Sulfur Dioxide as
an Air Contaminant. 16398-D
Studies to Determine the Mechanism
of Production and Removal of
Electrons in Flames. 05047-M
Studies of the Effect of Laser
Radiation on Chemical Acti-
vation and Vapor Fog Nucleation.
0S246-M
Studies cn the Effects of Gaseous
Ions on Plant Growth. 06265-E
Studies in Experimental Emphysema.
01893-F
Studies and Experimental Work on
Atomic Collision Processes
Occurring in Atmospheric Gases.
024S6-M
Studies cn the Incorporation of
Acetate-1-14C and Stearate -
UL-14C Into the Hydrocarbons
of Chlarella pyrenoidosa.
ioiig=n
Studies an the Mechanism of
Oxidation, Hydrogenatian and
Electrochemical Combustion on
Solid Catalysts, VI. Con-
cerning the Active Centers
and the Appearance of the
Oxygen Potential on Carbon.
13375-M
Studies of Metastable Molecules
of Atmospheric Interest.
06477-M
Studies an a New Method of
Simultaneously Removing Sulfur
Dioxide and Oxides of Nitrogen
From Corbustion Gases. 1402S-E
Studies of the Oxides of Nitro-
gen. 14636-M
Studies of Ozone Toxicity (I.
Potentiating Effects of Exercise
and Tolerance Development).
0449S-F
Studies on the Photooxidation of
Manganese by Isolated Chlora-
plasts. 13327-M
Studies on Photosynthetic Processes.
II. Action Spectra and Quantum
Requirement for Triphosphopyri-
dine Nucleotide Reduction and
the Formation of Adenosine
Triphosphate by Spinach
ChloToplasts. 00232-G
Studies of Pollution Levels in Re-
lation to Air Movement in the
Los Angeles Atmosphere. 0557S-C
Studies of Radiationless Transi-
tions in Coronene Using Nano-
second Laser Photolysis and
Spectroscopy. 11188-M
Studies of the Reactions of
Gaseous NO and NOCL With Metal
Oxide Surfaces With the Aid of
Ir-Reflectance Spectroscopy,
17346-M
Studies an the Hole of Sulfur
Dioxide in Visibility Reduction.
03103-D
Studies of Size Distributions and
Growth With Humidity of Natural
Aerosol Particles, Part I. A
Sensitive Large-Ion Counter for
Studying Size Distributions of
Atmospheric Aerosol Particles
With Radii Smaller Than 0.1
Micron. 14817-D
Studies on Skylight Polarization.
03068-C
Studies cm SO?, NO?, and NHj: Ef-
fect an Ciliary Activity in
Rabbit Trachea of Single In Vitro
Exposure and Resorption in
Rabbit Nasal Cavity. 00189-F
Studies on the Synthesis of Parti-
culate Acid Sulphate From the
Products of Corroustion of. Fuels
and~Measurement. of the AcijLIn
Polluted Atmospheres. 09429-C
1464 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Studies on the Urban Atmospheric
Pollution by Automotive Ex-
haust Gas in the Cities of
Hokkaido. (Part 2). On
the Investigation in Otaru
City, 17106-J
Study of Air Pollutant Detection
by Remote Sensors. 12887-D
Study of the Atmospheric Pollution
in the City of Lausanne.
09008-J
Study of the Composition of
Marine Atmospheres. 07103-J
Study of the Conversion of Carbon
Monoxide and the Simultaneous
Removal of Nitric Oxide and
Oxygen From the Synthesis
Gas With Low-Temperature
Catalysts, 14471-M
Study of the Conversion of Carton
Monoxide and the Simultaneous
Removal of Nitric Oxide and
Oxygen From the Synthesis Gas
With the Acid of Low-Temperature
Catalyst. 16341-E
Study to Develop a Technique for
Measurement of Hi#i Altitude
Ozone Parameters. 15234-D
Study of the Effect of Molecular
Oxygen on Atomic Oxygen-Hydro-
carbon Reactions, 00139-C
Study of the Effects of Air Pol-
lution on Hospital Admissions.
15747-F
Study of the Effects of Ionized
Air on Behavior. 04031-F
Study of the Effects of Ozone
and Sulfur Dioxide on the
Photosynthesis and Respiration
of Euglena gracilis. 10978-G
Study and Experimental Work an
Atomic Collision Processes
Occurring in Atmospheric
Gases. 04437-M 04528-M
Study of the Ionization Produced by
the Catalytic Combustion of
Hydrocarbons. 00060-D
Study of Irradiated Auto Exhaust.
03883-F
Study of the Kinetics of Silver
Sulfidation. II. The In-
fluence of the Penetration
Reaction of the Silver Through
the Phase Boundary Silver/Silver
Sulfide. 16296-M
Study of Los Angeles Driving as it
Relates to Peak Photochemical
Smog Formation, 0032S-B
Study of the Mechanism of Air-Ian-
Induced Growth Stimulation in
Hordeum vulgaris. 01449-G
Study of the Mechanism of For-
mation of Radon Daughter
Aerosols. 03650-C
Study of Metal Nitroso Compounds:
A Nitric Oxide Conpound of
Manganese, 13224-M
Study on the Method for Measurement
of Floating Dust Particles by
Hi-Vol. Sanpler. 06800-D
Study of Methods to Measure the
Effects of a Contaminated Atmo-
sphere on the Transmission of a
High Energy Laser Beam, CFinal
Report) 0632S-M
Study of the Mobility of Small
Positive Ions in Air by the
Method of Passage Time. 13085-M
Study of Perturbations in Im-
portant Upper Atmospheric
Chemical Systems, 06993-C
Study of the Ratio Sulphate! Total
Sulphur and Sulphuric Acid:
Total Sulphur in Gothenburg
During Different Meteorological
Conditions. 09427-C
Study of Reaction Between Nitric
Oxide and Hydrogen Sulphide.
13265-M
Title Index
1465
-------
Study of Reactions of Sulfur in
Stack Plumes (First Annual
Report April 12, 1967 to April
11, 1968). 11624-C
Study of the Removal of Nitrogen
Oxides From Air Polluting Ex-
hausts. 04354-E
Study of Sample Averaging Times
and Peak - To Mean Ratios for
Gaseous Pollutants. 00698-J
Study of the Stability of Gaseous
Negative Ions. 09034-M
Study on the Status Quo of Air
Pollution in Japan. 07166-J
Study of the Thermodynamics of
Sulfur Vapor. Mass Spectro-
metric Studies With the
Electrochemical Knudsen Cell.
14104-M
Sub-Acute NO? Lesion of the Rat
Lung. 11308-F
Sub-Minute Continuous Nitrogen
Dioxide Analysis. 02045-D
Suggested Procedure for Con-
verting NO in Low Concentra-
tions to N02 (Technical Note).
06642-D
Sulfur-Containing Compounds as
Ligands in Photochemically Pro-
duced Derivatives of the
Cyclopentadienyl Maganese
Tricaibonyl, 16574-M
Sulfur Dioxide as an Atmospheric
Pollutant. 00913-J
Sulphur-Dioxide-Catalyzed Recom-
bination of Radicals in Pre-
mixsd Fuel-Rich Hydrogen +
Oxygen + Nitrogen Flames,
17173-M
Sulfur Dioxide Emission and Smog
Formation. 1S347-C
Sulfur Dioxide Measurements With
An Anperometric-Iodometric
Recording Apparatus. 13463-D
Sulfur Dioxide Role in Eye Irri-
tation. 00084-F
Sulfur Dioxide Sensitized Photo-
chemical Oxidation of Hydro-
carbons. 17010-M
Sulfur Dioxide, Sulfuric Acid
Aerosol and Visibility in Los
Angeles. 07106-D
Sulfur-Oxide Formation in Carbonyl
Sulfide Flames. 10043-M
SOt Formation in H2S Flames,
05302-M
Sulfuric Acid Method of Collecting
Nitrogen Oxides From Incomplete-
ly Oxidized Gases, 13707-E
Summary of Air Pollutants Levels
in Three Air Monitoring Stations
in Tokyo, 1968, 15161-J
Surnnary of Air Pollution Data for
Los Angeles County. 03462-J
Summary of the Atmospheric Studies
in the City of Zurich Between
1961 and 1965. 09018-J
Summary of the Conference on the
Optical Properties of Aerosolst
15-17 October 1964. 10078-M
Summary of Data From the Continuous
Air Monitoring Program. 03024-J
Simmary Report of Vehicular Emis-
sions and Their Control. 01848-B
Surnnary of 1961 Studies in the
Field of Limits of Allowable
Concentrations of Atmospheric
Air Pollutants, 05952-D
Surnnary of 1964-1965 Air Quality
Measurements, 06707-J
Sumner Ozone Concentrations in
Southern Ontario in Relation to
Photochemical Aspects and
Vegetation Damage. 00696-G
1466 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Sunnier Sun-Cincinnati Snog: A
Recent Incident. 02179-J
Superior Thin-Layer Chromato-
graphic Procedure for the
Separation of Aza Arenes and
Its Application to Air Pollu-
tion. 05319-D
Suppression of Ozone Toxicity
Synptcms in Virus-Infected
Tobacco, 16704-G
Suppression of Plant Growth by
Nitrogen Dioxide. D0963-G
Surface Air Radioactivity and
Ozone at Awundsein-Scott
Station (90 deg. S.), Antarctica.
09268-J
Surface Lining of Lung Alveoli.
00995-F
Surface Ozone and Artificial
Beta Activity in Dresden-
Yfahnsdorf. 03649-C
Survey of Air Analyses in the
City of Zurich in 1961-1965.
09216-B
Survey of Air Monitoring Activi-
ties in New York Metropolitan
Area. 09280-J
Survey of Air Pollution in the
Chattanooga Metropolitan Area.
12148-1)
Survey of Air Pollution in Com-
munities Around the John F.
Kennedy International Airport.
01202-J
Survey for I graved Methods for
the Measurement of Particulate
Concentration in Plowing Gas
Streams (Informative Report No.
1). 01625-D
Survey of Negative- Ion-Molecule
Reactions in O*, C02, fyO*
CO, and Mixtures of These
Gases at Higfr Pressures.
1637S-M
Surveying Air Quality at Dow
Chemical Company (Air Pollution
Control Engineers Explain).
00730-J
Symposium on Atmospheric Chemistry,
Circulation and Aerosols.
01204-C
Synposium-Environmental Measure-
ments Valid Data and Logical
Interpretation. 00Q51-D
Synergistic Action of Ozcme-Sulfur
Dioxide an Peanuts. 12944-G
Synergistic Effects in the Photo-
oxidation of Mixed Hydrocarbons,
02352-C
Synergistic Properties of Aerosols
(Final Progress Report Jot. 20,
1961-Nov. 15, 1961). 06235-C
Synthesis and Cyclization of the
Three Isomeric 2-Benzylphenyl
Pyridyl Ketones. 01632-M
Synthesis of Defined Aerosol
Systems. 01990-M
Synthetic Production of Aerocol-
loids and Their Quantitative
Evaluation. 06236-M
System Design for the Catalytic
Decomposition of Nitrogen Oxides.
075S4-E
T
Tables Related to Light Scattering
in a Turbid Atmosphere. Volume
I. Q0417-M
Tables Related to Light Scattering
in a Turbid Atmosphere. Volume
II. 00444-C
Tables Related to Light Scattering
in a Turtle! Atmosphere. Volume
III. 0D4S5-C
TflSid2! of mtrogen
Title Index
1467
-------
Techniques Employed in the
Analysis of Los Angeles Smog.
04973-D
Techniques for the Measurement
of Solar and Terrestrial
Radiation Fluxes in Plant
Biological Research: A Review
With Special Reference to the
Arid Zones, 02285-C
Technique for Measuring Photo-
chemical Reactions in Atmo-
spheric Sanples. 12362-D
Tenperature Inversions and the
Trapping of Air Pollutants.
01675-C
TVA's Air Quality Management
Program, 14159-E
Test of a Biological Model for
Smog Induced Death. 11806-F
Test Procedures for Evaluation
of Industrial Fume Converters
(Sampling and Analytical
Techniques). 03966-D
Test for Stability of Solvents to
Ultraviolet Radiation, 15210-D
Tests on the Effect of Gaseous
Air Pollution on the Deposition
and Elimination of Inhaled
Dusts. 07174-F
Testimony. 09283-C
Thanksgiving 1966 Air Pollution
Episode in the Eastern United
States. 10018-C
Theoretical and Experimental In-
vestigation of Chemical Kinet-
ics During Rapid Ejmansians of
High Tenperature C
-------
Thermodynamic Limitations cn the
Conversion of Radiant Energy
into Work. 15438-M
Thermodynamic Properties of
Nitric Oxide at 200-2000 K and
1000 BAR. 13822-M
Thermodynamic Properties of Some
Cbddes of Nitrogen. 04578-M
Thermodynamic, Transport, and
Flow Properties for the Pro-
ducts of Methane Burned in
Oxygen-Enriched Air. 03446-M
Thermodynamics of Photochemical
Systems. 15028-M
Thermodynamics of Sulphur Dioxide
Conversion to Sulphur Tri-
oxide. 13781-M
Thin Film Personal Dosineters
for Detecting Toxic Propellants.
09770-D
TLC-Fluoriratric Analysis for
Atmospheric Scopoletin.
11675-D
Thin* Layer Chromatographic
Separation of Benzo(a)pyrene
and Benzo(k)fluoranthene Prom
Airborne Particulates,
01781-D
Thin-Layer Separation and Low-
Tenperature Luminescence
Measurement of Mixtures of
Carcinogens. 11567-D
Thin Stable Layer of Anomalous
Ozone and Dust Content.
02201-C
Three Stage Electron Tranfer in
Aqueous and Alcoholic Solu-
tions. 16097-M
Time-Dependent Variations in
Total Atmospheric Ozone Over
Dixon Island and Its Cor-
relation With Meteorological
Elements. 04152-C
Tip Bum, an Oxidant Incited Re-
sponse of Carnations. 15492-G
Tobacco, A Sensitive Monitor for
Photochemical Air Pollution.
11305-D
Tolerable Limits for Toxic
Materials in Industry. Di-
vergences and Points of Agree-
ment at the International
Level. 07251-F
Tolerance Criteria for Continuous
Inhalation Exposure to Toxic
Materials (III, Effects on
Animals of 90-Day Exposure to
Hydrazine, Uisymetrical
Dime thylhydrazine (UIMf). De-
caborane, and Nitrogen Dioxide.
06341-F
Tolerance Mechanisms as Biologic
Determinants of Lung Responses
to Injurious Agents. 00S01-F
Total Effect of Air Pollutants on
Bearing Citrus. 02379-G
Toxic Hazards Evaluation of Titan
II Test Firings: Methods and
Results of Laboratory and Field
Investigations. 04609-B
Toxic Photoaxidatian Products in
Closed Environments. 02263-F
Toxicity and Analysis of Air Pol-
lutants. 13860-F
Toxicity Evaluation of Air Pollu-
tants by Use of Luminescent
Bacteria. 0463S-D
Toxicity of Fog. 03593-F
Toxicity of Nitrogen Dioxide,
02116-F
Toxicity of Nitrogen Oxides,
05814-F
Toxicity of Ozone. 05364-F
10778-F
Title Index
-------
Toxicity of Ozone in Comparison
With Ionizing Radiation.
08965-F
Toxicity of Ozone in the Presence
of Oxides of Nitrogen.
03603-F
Toxicity of Ozone (A Supple-
mental Review). 00854-F
Toxicological and Hygienic Signi-
ficance of Ozone. 07821-F
Trace Contaminant. 11801-F
Trace Metals, Equilibrium and
Kinetics of Trace Metal Com-
plexes in Natural Media.
10528-D
Trace Substances in Non-Pollut-
ed Air. 03372-A
Tracer Experiments With Ozone
as Oxidizing Agent in Aqteous
Solution. G6319-D
Tracer Technique to Measure
Deposition of Stack Emissions.
04040-D
Transfer and Conversion of
Electronic Energy in Some
"Model" Photochemical
Systems, 00789-C
Transformation of Gaseous
Reactive Hydrocaibon Into
Acrocolloids by Ultraviolet
Irradiation. 10041-M
Trends in Air Pollution Damage,
01809-G
Trends in the Control of Photo-
chemical Smog in the Los
Angeles Basin. 10327-K
Trends and Levels of Air Pollu-
tion in New York City.
07712-J
Triplet-State Energy Transfer
From Acetone to Aliphatic
Aldehydes in the Gas Phase,
00031-M
Tritiated Thymidine Labeling in
the Study of Acute Injury Prom
Air Pollutants. 02266-F
Two Important Features of Ozono-
metric Instruments. 04160-D
Two Mechanical Devices Attack the
Causes of Smog. 05082-E
Two Sensitive Tests for Carcino-
gens in the Air, 00966-D
Type and Emission Quantities of
Industrial and Domestic Flue
Gases and Vehicle Exhaust Gases.
00539-A
u
Ultrastructural Alterations of
Alveolar Tissue of Mice,
06600-F
Ultrastructural Alterations of
Alveolar Tissue of Mice (I. Due
to Heavy Los Angeles Smog).
04416-F
Ultrastructural Effect of Air
Pollution an Lung Cells.
09994-F
Ultraviolet Determination of
Nitrogen Dioxide as Nitrate
Ion. 036R2-M
Unified Methods for the Analysis
of Pollutants in the Free Atmo-
sphere, 09983-D
Unimolecular Decomposition and
Some Isotope Effect of Simple
Alkanes and AUcyl Radicals,
05051-M
Unipolar Diffusion Charging of
Small Aerosol Particles,
08623-M
Unsensitised Photolysis of But-1-
ene at 1849 A, 09080-M
Unsolved Problem: The Effect of
Air Pollution on Human Health,
02742-F
Upper Limits for Chemiluminescence
From Single Collisions of 0,
With NO, 00. HbS, and CS2. 3
04465-M *
14 70
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Uptake of SOj by the Isolated
Upper Airways, 17027-F
Up-To-Date Review of the Effects
of Air Pollution an the Popu-
lation. 11568-F
Urban Climates: Inventory and
Prospect. 11516-C
Urban Development in Air Pollu-
tion Basins-An Appeal to the
Planners Help. 00136-J
Urban Hospital Morbidity and
Air Pollution. 06689-F
Urban Morbidity and Air Pollution.
01520-F
Urey-Bradley Potential Constants
in Nitrosyl and Nitryl Halides.
05286-M
Use of Anperometry and Related
Methods of Electrochemical
Analysis in Operating Measur-
ing Techniques. 16335-D
Use of Antioxidants to Protect
Plants From Oxidant Type Air
Pollutants. 0S745-G
Use of Carbon Monoxide to Pre-
vent Sickle-Cell Formation.
00180-F
Use of the Correlation Spectro-
meter in the Study and Con-
trol of Air Pollution,
04880-D
Use of the Integrating Nephelo-
meter to Measure Aerosol
Formation From Hydrocarbons.
15308-C
Use of Lidar in Air Pollution
Studies. 01446-D
Use of a Mobile Laboratory in
Air Pollution Studies.
00635-D
Use of Critical Pimping to Detect
Free Radicals During a Gas-
Phase Photolysis. 15045-M
Use of Plants as Biological In-
dicators of Snog in the Air of
Los Angeles County. 03698-G
Use of Plants as Indicators of Air
Pollution. 00760-D
Use of Sulfate Turpentine as a
Chemical Raw Material, 14584-1
Utilization of Nitrogen Oxides-
By-Product of Certain Industries,
13689-E
Utilization of Optimum Meteorologi-
cal Conditions for the Reduction
of Los Angeles Automotive Pol-
lution. 03102-C
V
Vacuum-Ultraviolet Photolysis of
N?0, I. Metastable Species
Produced at 1470 A. 15790-M
Vacuum-Ultraviolet Photolysis of
N20. II. Deactivation of N2
(A3 (Sigma Sub U) +) and N2
(B3 (P, Sub G) }, 1S272-M
Vacuum - Ultraviolet Photolysis of
N2O. IV Reaction Rates of
0 (Si). 15253-M
Vapor Phase Determination of Ole-
fins by a Coulometric Method.
02162-D
Vapor-Phase Oxidation of Hydro-
carbons. Part 2-Effect of
Oxygen Concentration on Plati-
num-Catalyzed Combustion and
Ionization, 15486-M
Vapor Phase Photolysis of Benzene
at 1849 A, 01026-M
Vapor-Phase Photolysis of Formic
Acid. 03484-M
Vapor Phase Reaction of Methyl
Radicals With Crotoraldehyde.
00608-M
Variations of Global Radiations in
Budapest. 11505-C
Title Index
1471
-------
Variation With Height of the
Dust Loading Over a City as
Determined From the Atmo-
spheric Turbidity. 02363-D
Variation of the Natural Small
and Large Ion Concentration
Indoors. 15726-J
Variation in Respiratory Function
in Selected Patients and its
Relation to Air Pollution,
00312-F
Variations of Ventilatory Dynam-
ics in Experimental Exposure
to S0£ and NOfc. 1S868-F
Variations in the Vertical
Distribution of Atmospheric
Ozone During the Passage of
a Short Wave in the Westerlies.
16764-C
Varietal Tolerance of Tobacco
to Ozone Dose Rate. 12581-G
Various Conpcnent Gases of
Engine Generated Pollution
Pose Differing Health Hazards.
05411-B
Vehicle Omissions and Effects,
A Summary of the Decerfcer
1961 Air Pollution Research
Conference. 00798-B
Vehicle Emissions vs. Fuel Com-
position. 14127-B
Vehicle Pollution Problem.
04808-0
Ventilation for Engine Exhaust
Gases. 01228-B
Ventilation Requirements for
Gas-Metal-ARC Welding Versus
Covered-Electrode Welding.
16916-F
Versatile Coniunation Ozone and
Sulfur Dioxide Analyzer.
03979-D
Vertical Diffusion of Aerosols
Over a City. 00191-C
Vertical Distribution of Dust.
(Annual Progress Report) 03133-C
Vertical Distribution of Ozone in
the Earth's Atmosphere. 07976-C
Vertical Distribution of Ozone
Over the San Francisco Bay Area.
10980-C
Vertical Distribution of Oaone
Over Tallahassee, Florida.
(Scientific Report No. 1)
02465-C
Vertical Ozone Distribution in the
Lower Troposphere Near an Urban
Pollution Cotiplex, 15831-C
Vertical Ozone Distribution Over
New Zealand. 03953-C
Vibrational Energy of Ozone
During Photolytic Explosion.
02S04-M
Vibrational Spectrum and Structure
of N2°S' 04580-M
Visibility and Air Pollution,
04979-D
Visibility Restriction by Photo-
chemical Aerosol Formation,
06551-J
Visibility Trend in the Central
Valley of California. 02360-C
Volatile Photodegradation Products
of Organic Coatings, 05233-H
Volatization and Decomposition of
Aromatic Polyeyclic Hydro-
carbons During the Usual Pro-
cedure for the Concentrations
of Extracts of Atmospheric
Dust. 08296-D
w
Waste Gas Cleaning Through Com-
bustion of Nitrogen Oxides,
15152-E
1472
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Washington, D. C. Metropolitan
Area Air Pollution Abatement
Activity, D6290-J
Water Catalyzed Oxidation of
Carbon. Monoxide by Oxygen at
High Temperature. 02286-M
Weather and Disease. D0259~F
Weather Modification and Smog.
02938-C
Weather Prediction and Smog At-
tacks, 00764-C
What is in New Jersey Air That
Causes Plant Damage? 01666-G
What's in tile Air. Q7845-A
Wheezing Associated With
Respiratory Tract Infections
in Children (The Role of
Specific Infectious Agents
in Allergic Respiratory
Manifestations)« Q42G5-F
Where Does it All Go, 15712-C
Whits Paper About Public
Nuisances (1969). 13366-K
Wind and the Formation of In-
version, 05474-C
Wire Reclamation, Q9830-B
Wisconsin Process System For
Recovery of Dilute Cbcides
of Nitrogen, 13537-E
X
X-Ray Detection by the Olfactory
System; Ozone as a Masking
Odorant. 03785-P
Title Index
1473
-------
A
Abatement 09313-1
09590-J 17068-J
06290-J 10504-J
07877-K Q9285-K
11811-K 17188-K
Abatement Program 02951-E
04962-E
Absenteeism 01609-F
Absorption 05482-C
060R0-C 11516-C
15729-C 00866-D
03099-D 04769-D
12140-D 13039-D
07093-E 14073-E
149Q2-E 16517-H
00371-H 02498-M
02503-M 09186-ff
12216-M 13559-M
13561-M 13685-M
13688-M 13897-M
13901-M 13916-M
14384-M 15495-M
16036-M 16315-M
16429-M 17063-M
17389-M 18025-M
Absorption Coefficients
16051-M
Absorption Spectra
05576-C 00612-M
02504-M 04965-M
15225-M
Acetaldehyde 02535-M
Acetone 00031-M
02534-M 16236-H
Acetylenes 01194-C
00161-M 16569-M
Acid Potassium Iodide Method
09108-D
Acrolein 11903-D 00994-F
04698-F 08164-F
Actinometer 00550-D
12666-D
SUBJECT INDEX
Activity, Moderate 06020-F
Activity, Running 11307-F
1153S-F
Administrative and Social
09765-K
Adsorption 00092-D 1S100-E
04556-M 05351-?! 06720-M
13376-M 13684-M
Aero-Allergens 00196-D
01357-D 04355-C 17072-F
Aerocolloids 02904-M
06236-M 10041-M
Aerometric Measurements
03520-D 03701-J
05573-J 056S2-J
08330-C
Aerosol Generators 03563-M
Aerosol Scattering Functions
16392-C
Aerosol Spectrometers 00855-D
00860-D 05794-D
Aerosol Systems 01990-M
Aerosols 06722-A 05479-B
07178-B 00191-C 00236-C
00444-C 00455-C 01204-C
01396-C 01587-C 03558-C
03650-C 03657-C 0S282-C
05405-C 05801-C 05810-C
06235-C 06632-C 06925-C
06982-C 07000-C 08197-C
08744-C 08834-C 09171-C
09431-C 10182-C 11529-C
11714-C 11911-C 1216S-C
12524-C 15308-C 16131-C
16390-C 16458-C 00381-D
00418-D 00578-D 008S5-D
00864-D 01429-D 02128-D
02841-D 04623-D 04968-D
05794-D 05795-D OS797-D
06507-D 06520-D 07106-D
08340-D 08487-D 10296-D
10585-D 11162-D 11622-D
03883-F 06552-F 11425-F
1475
-------
Aerosols (cont'd)
06551-J 00069-M 01318-M
02899-M 02904-M 0415S-M
04801-M 04967-M 06102-M
06189-M 06418-M 06612-M
07108-M 07488-M 08620-M
08623-M 09398-M 10027-M
10078-M 10507-M 11205-H
11783-M 11784-M 12142-M
14331-M 14886-M 16261-M
Aerosols, Moriodtspersed
01704-M
Aerosols, Radioactive and
Natural 09465-C
Aerosols, Submicron 05641-M
Aerospace Industry 08557-B
Afterburners 03265-B
00087-G
Afterburners, Direct Flame
00469-D
Aging 01061-F
Agricultural Wastes 01076-B
Air Conditioning 00228-F
Air-Flow Velocity 09601-C
Air Fuel Cells 02443-M
03343-M
Air-Fuel Ratio 13628-B
Air Ions 00446-C 05451-C
06841-C 06925-C 00124-D
00418-D 0S121-D 00445-J
05277-J 0724S-J 13085-M
13248-M 13786-M
Air Pollution Episodes 00070-C
00502-C 00783-C 06839-C
10018-C 05867-E 00047-F
00313-F 00392-F 00472-F
00681-F 01794-F 03394-F
03421-F 03427-F 05913-F
08997-F 11806-F 16542-F
Air Pollution Surveys 10260-A
07264-C 13758-C 00179-D
03091-P 00321-J 00666-J
00730-J 00802-J 01202-J
01770-J 01829-J 01864-J
01912-J 02361-J 02431-J
02822-J 02823-J 02825-J
03001-J 03407-J 03409-J
03426-J 03433-J 03434-J
03441-J 03454-J 03458-J
03466-J 03468-J 03505-J
03512-J 03513-J 03715-J
03725-J 04325-J 046S1-J
0S010-J 05200-J 05428-J
05481-J 05499-J 05573-J
06141-J 06150-J 06749-J
06760-J 06788-J 06960-J
07103-J 07166-J 07198-J
07239-J 07448-J 07529-J
08327-J 09008-J 09209-J
09250-J 09280-J 09S77-J
09743-J 12360-J 12649-J
16684-J 17096-J 02376-K
See also: Area Surveys; Air
Quality Measurements
Air Purification Unit 06265-E
Air Quality 12177-A 11326-B
Air Quality Control Regions
11408-K
Air Quality Criteria 04966-F
11347-F
Air Quality Measurement Programs
04596-0 05322-D 11S73-T)
00169-K 06188-K 16799-K
Air Quality Measurements
00748-C
00783-C
00851-C
04548-C
10018-C
ni.691-D
01807-D
01989-D
03449-D
03866-d
05952-D
06369-D
06911-D
07441-D
08311-D
08724-D
13422-D
13463-D
16516-D
00005-J
00017-J
00149-J
00534-J
00644-J
00698-J
00739-J
01427-J
01939-J
02241-J
02370-J
02840-J
03406-J
03462-J
04173-J
04546-J
04616-J
05il0~J
05196-J
05336-J
05551-J
05562-J
06169-J
06707-J
06872-J
06977-J
07103-J
07120-J
07371-J
07390-J
07712-J
08067-J
08301-j
09018-J
09404-J
09445-J
11353-J
15161-J
15173-J 16266-J 16843-J
See also: Air Pollution
Surveys; Area Surveys
1476
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Air Quality Objective System
01010-J
Air Quality Standards 04335-C
00435-D 05299-D 04054-F
06053-F 10674-G 00110-J
00781-J 01270-J 06949-J
01853-K 11734-K 18024-K
See also: Standards
Air Resource Management
09903-A 03449-D
03866-0 00050-J
00136-J 00847-J
01782-J 03004-J
03027-J 06977-J
01211-K 01604-K
02376-K 06188-K
09285-K 10327-K
Airline Pilot 02826-F
Airplanes
02268-C
06471-D
01202-J
07083-J
00787-C
07716-C
06984-D
06169-J
Aitken Condensation Nuclei
11221-C 09398-M
Alcohols 00611-C
Aldehydes
02777-C
03680-D
12136-D
00961-G
00357-M
02535-M
05611-M
09341-B
01802-D
05136-D
05901-F
12029-L
00608-M
03186-M
11243-M
00921-C
02098-D
11903-D
08812-F
00031-M
01075-M
04404-M
12169-M
Alerts 06124-K 07519-K
11421-K
Alfalfa 16517-6
Alkali Act (England) 06778-E
Alkaline Filter Paper Method
02063-D 14486-D
Alkyl Nitrites 05915-D
Allergy 01794-F 07098-F
Allowable Concentration
07197-1
Alpha-Keto Acids 13324-M
Alveolar Cells 03254-F
Alveolar Macrophages 00509-F
Alveolar Tissue 04416-F
06600-F
Alveoli, Lung 00995-F
Amines 09186-M 13671-M
Amino Acids
16235-M
06415-F
4- Amino asobentene-1-Naphthy1
amine Method 02799-D
Ammonia 01002-B 14411-C
05078-0 06919-D 07127-D
09391-J 05248-M 13223-M
13528-M
Ammonia Fuel 03355-fi
Ammonia Method 13899-E
Airrvcnia Synthesis 148G1-E
Atrmcnium Compounds 14411-C
08487-D 134S4-M
Anmcnium Nitrate 13202-B
16261-M 17043-M
Ampe rams try
16335-D
06983-D
Analytical Control 03813-F
Analytical
00108-D
00237-D
00348-D
00845-D
01208-D
01839-D
02158-D
02406-D
02439-D
02681-D
03828-D
04241-D
95299-D
06112-D
07427-D
07857-D
08294-D
Methods
00126-D
00264-D
00610-D
01169-D
01266-D
02045-D
02377-D
02415-D
02538-D
03010-D
03966-D
04839-D
05795-D
07119-D
07482-D
08135-D
08762-D
Subject Index
1477
-------
Analytical
09333-D
09983-D
10960-D
11130-D
11574-D
1175S-D
11903-D
14837-D
16232-D
16543-D
17283-D
Methods
09369-D
10489-D
11061-D
11567-D
11738-D
11842-D
14705-D
15301-D
16398-D
17094-D
(cont'd)
Analyzers, Gas 10518-D
15334-D 15484-D
Anemia 10071-F
Animal Experiments
03296-D 05352-D
-F
¦F
-F
-F
01090-
02223-
03257-
03820-
08027-F
09412-F
10611-F
11490-F
16055-F
14081-M
01455-F
02266-F
03394-F
06099-F
08238-F
10456-F
10685-F
14050-F
16302-F
00124-D
00473-F
01987-F
03076-F
03620-F
06367-F
09241-F
10492-F
10780-F
14377-F
04544-G
Animal Exposure, Continuous
11539-F 08026-F
Animal Exposure Data 03822-F
Annual Review (Germany) 00896-A
Antioxidants 01447-D 05300-F.
Antiozonant 17097-G
Anthracenes 10519-M
Anthrone Procedure 01922-D
Apparatus and Equipment 03094-G
Arc WeldinR 0I740-B 04181-B
07347-F
Area Surveys 03372-
00858-B 01890-B
02610-B
10504-C
00666-J
03406-J
04834-J
05008-J
03438-B
12148-D
01202-J
03453-J
04864-J
06290-J
¦A 00220-B
02312-B
09216-B
06967-E
01770-J
03714-J
04996-J
06977-J
08297-J 09743-J 14534-J
03850-K 16504-K
See also: Air Quality Measurements
Air Pollution Surveys
Arenes 02203-M
Aromatic Molecules 06646-M
See also: Molecules
Arsenazo ITT Method 07364-D
Asthma 00638-F 02437-F
03463-F 06276-F
Asthma Disability 03529-F
Asthma, Tokyo-Yokohama
02420-F
Asthma-Yokohama 00645-F
00932-F
Asthmatic Attacks 00307-F
Asthmatic-Bronchitis 00983-F
Athletes 12157-F
Athletic Performance
01588-F
Atmosphere, Arctic 16618-C
03159-D 06987-D
Atmosphere Circulation
01204-C 04154-C 04165-C
04166-C
Atmosphere, Earth 15713-C
Atmosphere, Fresh 04546-J
Atmosphere, Ground Level
04169-D 11775-J
Atmosphere Ionosphere
04527-C 05205-C
02520-D 05253-M
Atmosphere, Lower 00089-C
03022-C 10787-C
Atmosphere, Marine 07103-J
Atmosphere, Mesosphere
03342-C 05711-C
Atmosphere, Ozone Layer
01405-C
1478
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Atmosphere, Stratosphere
02524-C 03342-C 04166-C
07000-C 08625-C
Atmosphere, TTiermosphere
05711-C
Atmosphere, Tropical 01427-J
Atmosphere, Troposphere
06481-C 07000-C
Atmosphere, Upper 01146-C
04461-C 06993-C 07716-C
01114-D 02518-D 07687-D
15234-D 07083-J
Atmospheric Attenuation Model
00086-C
Atmospheric Boundary Layer
14886-M
Atmospheric, Conductivity
0S085-C 06987-D
Atmospheric Density 01610-C
Atmospheric Diffusion 00095-C
00191-C 03382-C 04355-C
09171-C 10605-C
Atmospheric Dispersion 11010-0
Atmospheric Effluents 09259-L
Atmospheric, Electricity 06987-D
Atmospheric Gases 02456-M
Atmospheric Haze 11724-C
180S4-C
Atmospheric Interaction 10551-A
13463-D
Atmospheric Ton Reactions
05265-M
Atmospheric Optical Radiation
Transmission 15000-M
Atmospheric Ozone 04155-"
See also: Ozone
Atmospheric Precipitation
16274-J
Atmospheric Slant Paths
04769-D
Atmospheric Tracers
06916-C 12632-C
Atmospheric Transmission
12171-M
Atmospheric Transport
06918-C
Atmospheric Turbidity
02363-D
Atomic Collision Processes
02456-M 04437-M
04465-H 04528-M
Atomic Oxygen 02335-B
05055-C
Attenuation Coefficient
04979-D
Auto Exhaust Analyzers
00155-D 16616-D
Auto Exhaust Problems
01494-B
Autoanalyzers 00627-D
00977-D 08655-D
14213-D
Autoclave Methods 15463-D
Automated Data Handling
06723-J
Automatic Measurement
Methods 00144-D
00297-D 00387-D
00627-D 00977-D
01266-D 01495-D
01807-D 02064-D
028S2-D 03245-D
03296-D 03621-D
05314-D 07401-D
07402-D 07885-D
08418-D 08655-D 09515-D
09906-D 11051-D 11922-D
13422-D 13463-D 1S173-J
Automobile Engines 17262-E
Automobile Production
16135-B
Automotive Air Pollution
00504-B 01484-B 01863-B
01868-B 02635-B 03198-B
Subject Index
1479
-------
Automotive Air Pollution (cont'd)
03536-E 07613-E 07893-E
See also: Automotive Exhausts
Automotive Emissions Engine
Exhausts Mbtor Vehicle Ex-
hausts
Automotive Emissions 00344-C
03102-C 00068-D 00122-D
0015S-D 00469-D 01169-D
03795-D 04796-D 04839-D
04857-D 05609-D 05794-D
07807-D 08681-D 12004-D
17024-D 18013-D 00218-J
01830-J 110Z8-J 14776-J
17106-J 09281-K 10327-K
05849-H 06698-M 07607-M
10129-M See also: Engine
Exhausts Automotive Exhausts
Automotive Air Pollution
Motor Vehicle Exhausts
Automotive Exhausts 00271-B
00464-B 00679-B 01565-B
02244-B 03255-B 05097-B
07623-B 08165-B 08591-B
08633-B 16135-B 16539-B
17171-B 17327-B 17365-B
05533-C 05817-C 00003-E
00171-E 00269-E 03536-E
03796-E 06144-E 14034-E
14424-E 17246-B 17414-E
00020-F 00473-F 00617-F
01090-F 01987-F 03076-F
06099-F 08403-F 08801-F
08812-F 00087-n See also:
Automotive Air Pollution .
Automotive Emissions.Engine
Exhausts.Motor Vehicle Ex-
hausts .
Autooxicktion 00426-D
Autoxidation, Petroleum
Fuels 03164-B
Auxins 03496-G
Avena coleoptilfr 05566-G
06500-G
Azaarenes 05319-P
Azoalkanes 11239-M
A^oalkanes 11239-M
Azomethane 05821-C
03559-M
B
Backscatter Efficiency
Factors 08717-M
Bacteria 04635-D 01483-F
05116-F 05294-F 13058-F
15579-F 15732-F 00244-G
See also: Microorganisms
Bacteriophage 00418-D
Barley 00433-G 00601-G
01697-G
Beagles 11632-F 16738-F
Beet Leaves (Beta vulgaris)
03695-G
Behavior 04031-F
Bench Scale Reaction 01579-M
Benzene 01026-M 08827-M
14293-M
Benzene-Soluble Fractions
00293-D 03795-D
Benzophenones 07097-D
Besnzophenone Mixtures 02494-M
Benzo(k)£luoranthene 01781-D
Benzo(a)pyrene 01395-D
01735-D 01781-D 0848S-J
02853-M 07463-M
Bio-Assays 00966-D 01302-D
01250-G
Biocolloidal flatter 01801-M
Biological Activity 1615S-F
06499-G
Biological Effectiveness
04650-F
Biological Effects 01S76-B
00609-F 00639-F 00779-F
00980-F 01323-F 01402-F
04323-F 05116-F 0S241-F
11489-F 15732-F 15794-F
Biological Indicators 05836-D
04645-F
1480 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Biological Systems 11045-F
Bioluninescence 04635-D
Biometeorology 00521-F
Biosphere 10551-A 16868-A
Biphenyl 1S055-M
Births 11575-F
Black Liquor 08354-D
Blasting Fumes 14955-F,
Blowby Emissions 0237S-R
Body Temperature 02811-F
Body Burden 05833-F
Boiler Emissions 00140-B
Boiler Flue Gases 058S7-E
Bouguer's Law 15476-D
Brain Potentials 00632-F
Breathing 06520-D
Bromine Reactions
15118-M
Bronchial Asthma 01357-D
Bronchitis 03708-F
05297-F 06635-F
Bronzing 14351-G 15286-G
Budgets 10985-1
Building Climatology
09278-A
Burning Grass 10649-B
Butadiene 07791-M
Butanes 04635-D
06301-D 09079-M
09080-M
Butyrolactane-Ganma
00935-C 10512-M
Butyrophenone 00916-M
By-Product Recovery
14584-1
By-Products 13689-E
c
Cadmium Hydroxide Suspension
13039-D
Calcium Hydroxide 13688-M
Calibration Methods
01577-D 01979-D
02354-D 03719-D
04170-D 04643-D 05548-D
05606-D 08357-D 086S5-D
08692-D 09907-D 10960-D
11755-D 16516-D 17279-D
11108-M
Cancer 01692-F 02288-F
Cancer, Lungs 01024-F
05297-F 08415-F See alsoi
Lunn Tumours Cancer, Pulmonary
Cancer, Pulmonary 08243-F
See also: Lung. Tunours.
Cancer. Lungs,
Cancer, Skin 00364-F
Capital Investment 04381-A
Caibazoles 02090-D
Carbon 08570-F
Carbon Black 03986-M
Carbon Dioxide 14698-C
16618-C 16889-C
00655-G 03094-G
00149-J 08301-J
01112-M 02446-M
03177-M 03184-M
03624-M 04277-M
09186-M 10422-M
16036-M
3-Carhon Fragments 01922-D
Carbon-Iodine Ozonesonde
10980-C
Carton Monoxide 07690-B
17034-C 0396S-H 071S0-D
Subject Index
1481
-------
Carbon Monoxide (cont'd)
08848-11 16616-D 04618-F.
00180-F 02263-F 03252-F
10071-F 10928-F 00053-M
02309-M 03150-M 04653-M
04771-M 04965-M 05099-M
07517-M 09437-M 10066-M
10917-M 11406-M 14471-M
15281-M 1S667-M 17370-M
17389-M
Carbon Tetrachloride 08136-D
Carbonyl Compounds
01649-C 18013-D
00565-M 07510-M
Carbonyl Oxide 00565-M
Carburetors 15640-E
Carcinogenic Substances
01844-F
Carcinogens 00966-D
11567-D 08485-J
11028-J
Cardiopulmonary Responses
160S5-F
Cardio-Respiratory Response
12157-F
Cardiovascular Disease
00989-F
Carnations
15492-G
Catalysis
09186-M
Catalysts
04857-D
05309-E
16777-E
00128-M
04454-M
04626-M
07607-M
13002-H
13374-M
13376-M
13457-M
13533-M
13579-H
13719-M
13895-M
14826-G
14550-D
01432-D
00015-E
06844-E
00101-M
03150-M
04556-M
04771-M
09437-M
13223-M
13375-M
13392-M
13530-M
13558-M
13683-M
13843-M
13900-M
13930-M 13936-M
13939-M 14055-M
14471-M 14603-M
15259-M 15486-M
15667-M
Catalytic Activity 16167-M
16509-M
Catalytic Aftert>uming 08036-E
Catalytic Canfrustion 03796-E
05250-E 08207-E 01241-M
03969-M
Catalytic Decomposition 00097-E
03798-E 07554-E 14481-E
04914-M
Catalytic Fume Converters 03966-D
Catalytic
02648-E
03150-M
05208-M
07620-M
13376-M
13683-M
13936-M
Oxidation
03796-E
04454-M
06320-M
09437-M
13533-M
13719-M
13939-M
03966-D
00101-M
04626-M
075X3-M
13374-M
13574-M
13900-M
14055-M
Catalytic Reduction 02051-E
09981-E 15270-E 15650-E
16341-E
Catalytic Systems 04417-E
Catalyzed Oxidation 02286-M
Cations 11132-M 13085-M
13324-M
Cell Damage 16096-G
Cell Growth 06498-G
Cell Membrane Permeability
03628-G
Cell Metabolism 03495-G
05698-G 06500-G
15578-G
Cell Viability 18031-F
Cell Wall 00654-G
Cells 00665-F 01062-F
05295-F
1482
PHOTOCHEMICAL OXIDANTS.AND AIR POLLUTION
-------
Cells, Irt vitro 16705-F
Cellulose 134Q8-M
Oielating Agents 13324-M
13786-M
Chemical Air Generator
05048-E
Chemical Analyses 00464-B
Chemical Analytical Methods
09439-C 00489-D
01447-D 02063-D
02874-D 04169-D
04499-D 04796-D
07146-D 07648-D
08418-0 08487-D
09108-D 10242-D
15621-D 16016-D
17128-D 05627-J
See also: Analytical
Methods
Chemical Composition
17260-A 09430-C
09438-C 10724-C
14019-C 16458-C
16274-J 05849-M
09398-M 09764-M
Chemical Conpounds
05342-G
Chemical Industries
13068-E
Chemical Milling Maskants
085S3-B
Chemical Mutagenesis
01883-F
Chemical Pollution
17357-B
Chemical Reactions
03064-C 04988-C
12105-C 14019-C
01683-D 09077-M
10522-M 11050-M 11802-M
11959-M 12046-M 13408-M
13633-M 13943-M 13948-M
14675-M 15115-M 15122-M
16375-M 16422-M 17146-M
17346-M 17389-M
Chemical Synthesis 14S84-I
02788-M 05100-M 10119-M
11050-M
Chemistry, Urban Pollution
04487-A
Chemiluminescence 04461-C
00426-D 01162-D 021S8-D
07684-D 09032-D 17023-D
01102-M 04465-M 07681-M
13540-M 15055-M 157S6-M
Chenisorptian 13936-M
Chemospere 05204-M
Children 04205-F
07240-F 1.1346-F
16794-F
Chlorides 008S5-D 02063-D
07127-n
Chlorine 05078-D 03807-M
04228-M 16883-M
Chloroform 08136-D
Chlorqplasts 00232-G
05096-G 15382-G 13327-M
Chlorosis 00577-G
17227-G
Chlorotic Dwarf Diseases
13147-G
Chromates 13932-D
Chromatography, Coluim
01781-D 0R319-D
07435-D 06980-M
Chromatography, Gas
01650-C 00237-D
00610-D 00771-D
00942-D 01577-D
01784-D 01979-D
02157-D 02159-D
02492-D 03112-D
03402-D 04667-D
04696-D 04900-D
0491S-D 0S404-D
06352-D 07427-D
>D 07749-D
23-D 08354-D
08357-D 09573-D
11051-D 11755-D
15210-D 16857-D 14500-M
Subject Index
1483
-------
Chromatography, Paper
00868-D 04328-D
Chromatography, Thin-Layer
00868-D 01735-D
01781-D 04029-D
Citrus, Fruit Bearing
04853-G
Clean Air Act 16736-K
Cleaner Air Package 00154-E
Clear Air 02268-C
Cleveland Clinic Fire
10514-F
Climatic Resources 14698-C
Closed Environment 02263-F
Cloud Water 09438-C
10227-C
Clouds 08868-C 11280-C
Coal 13494-A
Coal, Bituminous 01395-D
Coal, Brown 11842-D
Coal Burning Boilers 02148-B
Coal Burning Power Plants
03113-B
Coal Carbonization 15723-B
Coating Ovens 1489S-B
Coke Gases 13718-B
Coke Oven Gas 16157-E
Coking Process 03233-B
Collectors 03425-D
12362-D
Collimated Light Beams
15476-D
Colored Glass Filter Method
03719-D
04328-D 05319-D
0695S-D 11567-D 1167S-D
Chronotropic Acid Procedure
03680-D 12136-D
Chronic Bronchitis
00480-F 03791-F
057S2-F 07995-F
08320-F 14553-F
Chronic Effect 07591-F
Chronic Injury 03620-F
Ciliary Activity 00189-F
08021-F 16302-F
Ciliary Movement 02247-F
Citizens' Groups 11813-K
Citrus 02379-G 03094-G
03611-G 03628-G
06404-G 06459-G
07255-G 11407-G
Colorimetric Measurements
00387-D 01021-D
01236-D 01802-D
02090-D 02093-D
0209S-D 02096-D
02673-D 02760-D
02852-D 03096-D
03218-D 03679-D
03948-D 04029-D
04169-D 05343-D
05383-D 05609-D
05915-D 06050-D
06460-D 06613-D
06642-D 06832-D
06911-D 07441-D
07867-D 07938-D
08133-D 08446-D
08859-D 10315-D
11855-D 11922-D
12338-D 13087-D
16398-D 16857-D
17347-D 18013-D
Combustion
01377-B
10475-B
11606-B
00476-D
08354-D
14531-E
08267-J
03361-M
04668-M
05325-M
07883-M
00140-B
01902-B
11326-B
13S47-B
08136-D
09780-E
15152-E
03107-M
03985-M
04926-M
05643-M
08S72-M
1484 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Combustion (Cont'd)
10522-M I4285-M
14385-M
Conbustion, Catalytic
00060-D 04839-D
15486-M
Conbustion Gases
1402S-E
Combustion Inhibition
11210-M
Corribustian
, Oscillatory
11263-B
00476-D
02761-M
09046-M
10037-M
Combustion
Processes 14924-B
Combustion
Products
00693-B
04995-B
05011-B
05649-B
09429-C
00886-D
02158-D
04667-D
07889-D
08354-D
14255-E
07550-K
02734-M
05248-M
09046-M
09172-M
13267-M
Combustion
Residue
14404-E
Corrmunity Air Pollution 00336-D
Community Atmospheres 11230-C
11635-C
Ccmnunity Control 01010-J
Community Health 00375-F
Computer Programs 06459-G
00435-J
Computers 03382-C 00435-D
01807-D 00632-F 13020-M
13267-M 13312-M 1S227-M
16391-M
Concentration 00385-D
02157-D 03727-D
04696-D 07938-D
10S13-D 02899-M
03356-M
Condensation 03372-A
00236-C 11221-C
02128-T) 05S80-D
Condensation Nuclei 01203-C
03558-C 10737-C 07495-M
CcmductrometTic Methods
04169-D 06369-P 06911-D
16398-D
Contact Columns 03099-D
Contaminant Control 09238-C
Continuous Air Monitoring
Program (GAMP) 00929-C
00051-D 01807-D 01871-D
023S4-D 01791-E 00644-J
00698-J 01095-J 01912-J
03024-J 08301-J 11267-J
02174-K
Control Agencies 00169-K
01853-K 07597-K 09281-K
Control Equipment 09833-B
15625-B 00329-D 1098S-I
14450-M
Control Methods 16251-A
04200-B 11008-B
03966-D 09234-P
10297-D 16022-D
07529-J 01567-K
16504-K 14450-M
Control Programs 01645-E
04599-E 14727-E
00526-J 00528-J
01017-J 01782-J
03104-J 03462-J
07371-J 00206-K
00336-K 03353-K
03850-K 06754-K
07072-K 07519-K
07877-K 08554-K
08556-K 09281-K
09765-K 11734-K •
17188-K
Control System
14821-E
Control Techniques
01791-E 17414-E
Control Technology
01000-A 10017-E
Controlled Atmospheres
00142-D 02098-D
02845-D 03295-D
06599-D 10672-D
Controlled Emissions 11603-B
Subject Index
-------
Com 03163-G
Corona Discharge 06688-E
Coroneno 11188-M 15491-M
Correlation Spectrometer
04880-D 04881-n
Costs 01989-D 02377-D
05698-G 1204S-G 09313-1
10985-1 01928-K 04752-K
Cotton 10713-G
Coulometric Method 00942-I)
02162-D 05866-D 08692-D
Coulometric Oxidant Sensor
01331-D
Counter-Current Adsorption
14448-E
Crow Rust 12149-G
Cyclohutane 044S6-TT
Cyclohexanediones 01839-P
Cyclohexanone 08829-M
Cyclopentanone 08829-M
Cyclopropylajnine 02489-M
Data Analysis OOflS1-D
11573-D
Daytime 15482-G
Deactivation 15470-M
Decomposition 04913-M
08105-M 08705-M
118RR-M 13900-M
13930-M 17043-M
17146-M
Decomposition Process 14031-E
Decomposition, Thermal
03016-M 06320-M 13341-M
13692-1"' 13930-M 14219-M
Deionization 04429-M
Deposition 04040-D
Design Criteria 09113-C
00329-D
01021-D
04160-D
06599-D
09573-D
12196-D
17023-D
14212-E
06447-G
1S986-M
00956-D
04150-D
04467-D
07913-D
11819-D
12437-D
17094-D
03549-G
00666-J
(DNA) Desoxyribonucleic
Acid 02266-F 16780-F
Desulphurization 00353-M
Detoxication 13535-E
Diacetyl-dihydro-lutidine
(DDL) 088S9-D
Dichlorethane 08151-F
2,4-D(dichlorophen-oxyacetate)
08446-D
Dichromate Paper 05343-D
Diels-Alder Reactions
07791-M
Diesel Bus Garages 06055-F
Diesel Engines 16627-B
13160rE
Diesel Fuel 142SS-E
Diesels 0S599-B 06280-B
08497-B 0 8802-B
13628-B 02786-D
03542-D 14607-D
15484-D 16781-D
00569-E 02648-E
00650 -F 00241-J
00251-J
Diethyl Ketone 08353-M
Diffraction Size-Frequency
Analyzer 03888-D
Diffusion 10605-C 01422-D
17093-G 08623-M
Diffusion Flame 09172-M
1486 PHOTOCHEMICAL 0XI0ANTS AND AIR POLLUTION
-------
Diffusion Models 15310-B
Diffusion Resistance Q3163-G
Diffusion Tubes 05548-D
Dihydroacridine Method 08436-D
Dihydroxyf Fumaric Acid
13457-M
Dimethylbenz(a)anthracene
09024-F
Dimethylhydrazine, Unsymmetrical
06983-D
Dimethyl Sulfoxide 13408-M
DiNitrogen Trioxide (N2O3)
13448-M
4,4'Dlphenylmethane Dusocyanate
03924-D
2,2-Diphenyl-1-P1crylhydrazyl
(DPPH) 02496-M
1,2-D1-(4-Pyridyl) Ethylene
Method 00214-D 03537-D
Diseases & Disorders 09765-K
Dispeersion 03381-C 07872-C
03613-G 04407-M
Dispersion Staining 03474-D
Disposal of Stack Gases
13538-E
Disproportionation 13558-M
Dissociation 14100-M
Dissociative Ionization
02464-M 14909-M
Distribution, Horizontal
15S45-C
Distribution, Vertical
00285-C 02201-C
02465-C 03133-C
03953-C 04149-C
04158-C 06481-C
07976-C 11274-C
12627-C 15545-C
Disulfides 00231-M
02817-M 07866-M
Dithizone Test 05158-D
Dog, Anaesthetized
16614-F
Dogs 10490-H
Dosage-Area Product (DAP)
02370-D 02370-J
Dosape Data 00321-J
Dosimeters 06520-D
13493-D
Downtime 07885-D
D-Region 02520-D
Dry Process 00959-E
Dust Extinction Coefficient
08284-D
Dusts O2201-C 03133-C
09430-C 11280-C
12077-C 02363-D
08296-D 10816-D
07174-F 17072-P
09467-J
Dye Fading 09041-H
Dyed Fabrics 00115-H 02941-H
E
Eclipse 12644-C
Economic Losses 03596-H
03610-n
03612-r.
03616-G
05422-G
05S5R-f?
10965-fi
11748-n
09313-1
11815-1
12370-1
00350-K
Education
00359-K
Ffluents
05404-D
Electrical
Charge 02677-C
00578-D
02128-P
08340-D
10507-M
14331-M
15122-M
Subject Index
1487
-------
Electricity, Atmospheric
11834-D
Electrocardiograms 02163-F
Electrocatalysts 03343-M
14688-M
Electrochemical Analytical
Methods 02441-D
03079-D 04151-D
04767-D 06983-D
071R0-D 07867-D
0R311-D in528-D
11819-D 13463-D
16335-D
Electrochemical Cleaninp
14450-M
Electrochemical Combustion
13375-M
Electrochemical Khudsen Cell
14104-M
Electrochemical Oxidation
04294-M 13375-M 13939-M
15755-M
Electrochemical Sensors
02441-D See also:
Electrochemical Transducers
Electrochemical Transducers
14429-D See also:
Electrochemical Sensors
Electroconduct1v1ty Analyzers
05078-D 06889-D 07391-D
07654-D 11819-D 11834-D
Electrogasdynamics 07172-E
Electromagnetic Radiation
16683-C
Electrostatic A1r Filter
07199-E
Electrostatic Forces
06714-E
Electrostatic Gas Purification
03204-E
Electrostatic Methods
02899-M
Electrostatic Precipitation
08340-D
Electrostatic Precipitators
12990-B 07931-E
Electrode, Composite Mercury
Graphite 10528-D
Electrode, Dropping Mercury
10406-D
Electron Beam Techniques
14146-M
Electron-Capture-Detectors
04696-D 00119-M
Electron Metallographic
Investigation 14747-M
Electron Production
15166-M
Electron Spin Resonance
14179-M
Electron Transfer 16097-M
Electronic Light Scattering
05797-D
Electronic States 01889-M
Elliptical Polarization
16390-C
Emission Characteristics
00324-B
Emission Inventories 00858-B
11224-0 03359-K
Emission Sources 14705-D
16022-D 16504-K 08645-M
15243-M
Emission Standards
07625-B 07597-K
Emission Tables 00673-B
Emphysema 00919-F 01040-F
01893-F 04208-F 06745-F
09412-F 14377-F
Emphysema, Experimental
08423-F
1488
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Energy Studies 09759-B
Engine Deposits 13547-B
Engine Exhausts 01228-B
03265-B 03355-B 01495-D
05836-D 06433-D 09969-D
10242-D 11237-D 11604-D
02648-E 00241-J 00251-J
11810-K 11771-M 15243-M
15911-M See also: Motor
Vehicle Exhausts. Automotive
Air Pollution. Automotive
Emissions. Automotive Exhausts.
Engine Fuel Composition
17054-E
Engine Generated Pollution
05411-B
Engine Operating Cycles
11604-D
Engine Variables 09323-B
05323-E
Environmental Conditions
01818-D
Enzymes 03296-D
00132-F 00656-F
00658-F 01060-F
03258-F 03626-G
04707-G 06417-G
07864-G 11320-G
134S7-M
Epidemiology 00007-F
00306-F 00310-F
01992-F 032S2-F
03606-F 040S4-F
05297-F 05913-F
10456-F 11346-F
11568-F 16830-F
16840-F
Equipment 00975-E
E-Regian 02344-C
Esters 00935-C 08446-D
03S61-M
Ethers 11903-D
Ethyl Nitrite 04863-M
Ethylene 01244-C
06301-D 00001-M
01233-M 04771-M
0S226-M
Ethylene Chloride 08136-D
Ethylene Oxide 05383-D
Evaporation Losses 03759-B
Evoked Response Technique
00872-D
Executive Order 11282 00206-K
Exhaust Composition 07451-B
«
Exhaust Controls 04374-E
Exhaust Emission Abatement
14975-E
Exhaust Emissions Controlled
11603-B
Exhaust Gas 01384-B
Exhaust Gas Conponents 11562-D
Exhaust Gas Composition
07629-B 15769-B
Exhaust Gas Emission 10539-R
Exhaust Gas Research 15321-E
Exhaust Gases 10388-B
Exhaust Recirculation 09340-E
Experimental Atmospheres
12160-F
Experimental Equipment
00124-D 01162-D 01393-D
01690-n 02883-D 03527-D
07402-D 07684-D 12196-D
1608S-D 08S72-H 09046-M
09172-M 14331-M 14380-M
Experimental Exposure
10670-F 13868-F
Experimental Methods 01146-C
08834-C 12077-C 00122-D
00126-D 02538-D 02745-D
05892-D 06369-D 07830-D
08762-D 10672-D 14831-D
05778-G 03488-M 14285-M
14331-M
Subject Index
1489
-------
Expiratory Flow Resistance
02277-F
Exposure Chambers 00142-D
01495-D 05352-D
09906-D 03813-F
08403-F 09937-F
03549-G 06447-G
08843-G
Exposure, Chronic 00473-F
01987-F 10490-F
11632-F 12079-F
Exposure, Continuous
06341-F 3,0970-F
Exposure, Continuous Lew-
Level 12173-F
Exposure, Long-Term
00429-F Q3823-F
06201-F
Exposure, Lang-Terni Low
Levels 16738-F
Exposure, Short-Term
17061-F
Eye Irritation 01504-C
01602-C 05801-C
03542-D 04973-D
00084-F 00622-F
01463-F 01483-F
01S96-F 0248S-F
03490-F Q3883-F
04645-F 05680-F
05792-F 05819-F
05901-F 08403-F
09414-F 09416-F
13846-F 14119-F
Bye Irritation, Acute
04645-F 06011-F
F
Fahry-Perot Interferometer
14992-D
Fading 02270-H
Fatty Acids 14065*F 16312-G
Feasibility Studies 00092-D
00822-D 06406-D 06471-D
08049-D 12887-D 15476-D
16616-D 11615-J 09441-M
Federal Activities 06146-K
Federal Installations 00206-K
Ferrous Ammonium Thiocyanate
Reagent 07441-D
Ferrous Sulfate 13685-M
Ferrous Sulfate Method 05081-D
Ferric Oxide 16461-M
Field Tests 00179-D
03100-D 0396S-D
05548-D 11855-D
14817-D
Filtering Devices 05968-E
Filters 04157-D 06358-D
10297-D
Fiscal Policy 01989-D
09285-K
Flame Ionization 11210-M
Flame Ionization Method
00381-D 01208-D
01429-D 02157-D
02159-D 05314-D
05617-D 05837-D
08692-D 16857-D
Flow Rates 01685-D
Flow Reactors 10045-M
Flow Resistance 17061-F
Flowmeters 05070-D 08323-D
Fluorene Corrpounds 02095-D
Fluorescein-1,3,6,8-
Tetramerauritetra-
acetate (TMF) 07648-D
Fluorescence 00328-D
00386-D 01422-D
07435-D 11567-D
1167S-D 17048-D
17094-D 03551-M
Fluorescent Particle (FP)
Tracer Technique 01422-D
1490
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Fluorides 16617-G
Fluorimetric Analysis
05136-D 07535-D
Fluorine 06352-D
0977Q-D
Fly Ash 04040-D
Fog 00226-C 01203-C
04977-C 09426-C
09439-C 10436-C
00570-F 00235-G
07082-M 12171-M
Formaldehydes 10639-B
03680-D 12136-D
0248S-F 08154-F
04404-M 05611-M
Fotmic Acid 03484-M
16S09-M
Free Radicals 00360-C
00611-C 00629-C
02476-C 04866-C
04029-D 09241-F
16096-G 01787-M
01878-M 02493-M
06954-M 07499-M
07500-M 07512-M
07513-M 11248-M 11796-M
11802-M 13374-M 13376-M
13484-M 13719-M 14285-M
15045-M 16070-M 16236-M
16913-M
Fuel Cells 07979-B 11109-B
11S84-E
Fuel Composition 14127-B
Fuel Injection System 10539-E
Fuel Mixtures 12392-E
Furao Fixed Lungs 02155-D
Fume Formation 10474-B
Fumigation 05610-G
Fungi 15332-G 15535-G
16313-G 06406-M
See also: Microorganisms
Fungicides 0S723-G
G
Galvanic Systems as Selective
Analyzers 14550-D
Ganma-lJnit 07478-J
Gas Burner Flames 07881-E
Gas Distribution Systems
13545-M
14146-M 1415S-M 14285-M
15045-M 15115-M 15197-M
16051-M
Gases, Atmospheric 04283-M
Gases, Effect of 18031-F
Gases, Expired 02406-D
Gases, Irritant 02617-F
07173-F 10779-F
11470-F 12402-F
Gases, Stack 01071-D
02645-D 07364-D
07540-D 17188-K
Gases, Toxic 08054-F
Gases, Waste 13901-M
Gasoline Composition
11835-B 06534-E
Fuel Oil 00030-B 05477-B
05864-B
Gasoline Engines 08663-B
Fuel Oil Burning I5043-B
Gasoline Vapors 08153-F
Fuel Olefin Content 03760-B
Gerdien Condenser Intake
Fuels 01002-B 01382-B System 11834-D
09831-B 11263-B 07150-D
07550-K 02734-M 04668-M Germination 09317-G
05208-M 1S332-G
Subject Index
1491
-------
Global Radiation 11505-C
Global Study 15712-C
Glycols, Alpha 05136-D
Government, Federal 00206-K
08463-K 09285-K
Govemront, State 09765-K
18024-K
Governments 08463-K
Grape Leaves 05902-G
05903-G
Gas Fired Heaters 05970-B
Gas Industry 05746-A
05815-B
Gas-Off Products 03828-D
Gas Phase 01787-M
02258-M
15171-D
16543-D
11425-F
01981-J
06192-J
02503-M
04528-M
13448-M
13898-M
16085-D
17128-D
01427-J
05500-J
15610-J
04437-M
10041-M
13684-M
13948-M
Grasses 00604-G 00786-G
01449-G 01697-G
03697-G 03698-G
06498-G
See also: Hordeum vulgaris
Green Belts
Greenhouses
15605-G
04853-G
Guinea Pigs 00033-
00637-F 00779-F
01893-F 02277-F
03254-F 03261-F
05534-F 07657-F
15680-F 16661-F
1705S-F
Gas Phase Reaction 01881-M
03968-M
Gas, Reactor Loop Caver
11755-D
Gas-Solid Equilibria
157S2-D
Gas Turbines 06435-D
14554-E 08267-J
Gaseous 09034-M 10041-M
16036-M 16375-M 16422-M
16463-M 17346-M
Gaseous Air Pollutants
00337-B 02299-G
02969-G
Gases 00362-C 03777-C
06235-C 06480-C
12632-C 1S729-C
00108-D 00144-D
00224-D 00886-D
01114-D 01429-D
02439-D 02538-D
02673-D 02681-D
02845-D 02883-D
0342S-D 04458-D
07150-D 08073-D
11061-D 14486-D
H
Hargreaves Process
14675-M
Haze 01412-C 05034-C
Health Inpaiiment
01228-B 00130-C
00446-C 00510-C
05087-C 10682-C
01357-D 02155-D
11476-D 16232-D
00041-J 00218-J
05652-J 07529-J
08327-J 00169-K
09764-M 13248-M
13525-M
Hearings 00003-E
06734-K
Heat Balance 10228-C
Heat of Dissociation
15334-D
Heat Recovery Equipment
07921-E
Heat Transfer 09172-M
Heating Rates 01405-C
Helicopter Aimanent 07451-B
1492
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Hematology 01168-F
02213-F 16066-F
Hemoglobin 15281-M
15808-M
Hemoglobin, Nitric Oxide
15817-M
Hereditary Defects 02213-F
Hersch Electrolytic NO?
Generator 04643-D
Heterocyclic Compounds 04285-M
Highways 061S0-J
Histamine 04048-F 07657-F
160S5-F
Histamine Aerosol 05534-F
Hitachi Air Cleaner 05430-E
Hi-Vol Samplers 06800-D
Holly Oaks 16360-G
See also: Trees
Home Maintenance 11815-1
Hordeun vulgaris 00604-G
007B6-G 0l44S?-G
See also: Grasses
Hospital Admissions 15747-F
Hot and Cold Starts 00271-B
Hunan Exposures 03295-D
Human Performance 00100-F
15490-F
Human Volunteers 17311-F
Humidity 11310-C 15634-D
Hydrazine (N2H4) 06983-D
13493-D
Hydrocarbon-Air Flams
05043-M
Hydrocarbon Fuels 13S54-E
Hydrocarbon Oxidation
09830-B 00139-C
01718-C
01984-C
00426-D
07709-D
003S6-M
02489-M
03066-M
03985-M
0S208-M
07607-M
08845-M
11248-M
13364-M
01825-C
02352-C
03234-D
03104-J
01318-M
03009-M
03107-M
04583-M
05611-M
08827-M
09200-M
13034-M
13931-M
Hydrocarbon Reactivity
17387-C
Hydrocarbon Reactivity
07807-D
Hydrocaitoons 01002-B
01484-B 01572-B
Scales
01958-B
03584-B
07623-B
13951-B
00344-C
00465-C
01194-C
01828-C
02777-C
05801-C
06069-C
00060-D
01208-D
01429-D
03965-D
04839-D
0S191-D
05837-D
07749-B
08681-D
08894-D
11237-D
14607-D
15634-D
17024-D
05323-E
03978-F
00069-M
00608-M
01747-M
01978-M
03522-M
03575 -M
04456-M
05208-M
07108-M
02635-B
05097-B
07690-B
00139-C
00345-C
00773-C
01649-C
02359-C
05533-C
05821-C
15308-C
00122-D
01236-D
02157-D
04667-D
05136-D
05617-D
05952-D
08323-D
08838-D
09515-D
11842-D
15200-D
16616-D
03796-E
02S42-F
14180-J
00101-M
01186-M
01833-M
02496-M
03560-M
04228-M
04926-M
05333-M
07458-M
05250-E
03883-F
16843-J
00353-M
01241-M
01875-M
03343-M
03561-M
04454-M
05058-M
06698-M
07791-M
Subject Index
1493
-------
Hydrocarbons (cont'd)
08056-M 08105-M 08254-M
08829-M
10119-H
12142-m:
13415-M
17010-M
09267-M
10129-M
12320-M
14500-M
17030-M
08558-M
10041-M
11796-M
12419-M
15486-M
18019-M
Hydrocarbons, Aliphatic 00629-C
02777-C 01802-D 02098-1)
05257-D 00031-M 09030-M
Hydrocarbons, Aromatic 00773-C
00868-D 01395-D 02159-D
05257-D
08644-D
09598-D
01186-M
05325-H
See also
03234-D
08296-D
11476-D
00058-M
03986-M
15055-M
Polynuclear.,
Polycyclic.,
07097-D
10772-D
10637-E
01978-M
11147-M
Hydrocarbons,
Hydrocarbons,
Hydrocarbons, Halogenated
01650-C 00264-D 02135-D
08136-D 08446-D
08151-F 00917-H
03551-M 04583-M
08077-D
12240-D
02517-M
15139-M
Hydrocarbons* Polycyclic
00728-D 01302-D 03234-D
04328-D 08296-D 08644-D
10772-D 08485-.T 00058-M
05325-M 09200-M 11147-M
11188-M See also: Hydrocarbons,
Aromatic. Hydrocarbons, Polynuclear,
Hydrocaibons, Polynuclear
01683-D 01735-D 02095-D
04328-D
07427-D
02203-M
06980-M
05319-D
07435-D
02853-M
10519-M
02096-D
06955-J)
00663-M
06720-H
See also: Hydrocarbons,
Aromatic, Hydrocarbons,
Polycyclic.
Hydrochloric Acid (HCI)
05078-D
Hydrofluoric Acid (HF)
05078-D 06983-D
Hydrogen 16036-11
17173-M
Hydrogen Fluoride
01349-D
Hydrogen Peroxide
00611-C 08135-D
Hydrogen Sulfide 00629-C
01071-D 02987-D
03772-D 06107-D
06385-D 07127-D
09208-D 13039-D
13422-D 03968-M
04556-M 05302-M
09749-M 13265-M
13374-M 134S4-M
Hydrogen Transfer Reactions
01833-M
Hydrogenaticn 13375-M
13939-M
Hydrolysis 01236-D
05491-M
Hygienic Criteria
06885-L
Hypanitrite ions
03493-M
Hysteresis 12165-C
I
Ice Fog 00834-C
Ice Nuclei 09398-M
Inmissions 14705-D
Imrunology 02173-F
10928-F
Incinerator Effluents
06086-B 09026-B
Incinerator, Multiple Chancer
00027-B
Indicators 02299-G 03695-G
03697-n 03698-G 05560-C
Indoor Areas 01257-J
06192-J 15726-J
Industrial Areas 00302-C
03373-C 03381-C 02645-D
08133-D 09234-D 09721-D
10100-D 00730-J 03466-J
08485-J 08194-K
1494
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Industrial Emission Sources
0Z645-D 08133-1) 09234-D
09369-D 13087-D 16022-D
00730-J 00336-K 07597-K
16504-K
Industrial Plumes 13394-E
Industrial Waste Gases 144S0-M
Industrial Zones 10100-D
00730-J 08194-K
Infants 02122-F
Infection 11306-F
Infrared 15833-M
Infrared Absorption 01787-M
01878-M
Infrared Determination
05268-M
Infrared Flu* 11521-C
Infrared and Lidar Techniques
12524-C
Infrared Ozone Sensor
16516-D
Infrared Radiation 11529-C
Infrared Radiative Cooling
Rates 01412-C
Infrared Spectra 02446-M
0S288-M 05289-M
See also: Spectrometry,
Infrared
Infrared Spectral Transmittance
00840-C
Inhibition 16377-G
Inorganic Gases 09785-B
Instrunentation 00102-C
00840-C 02458-C
041S2-C 09171-C
1S308-C 00059-D
00092-D 00124-D
00237-D 00387-D
00550-D 00627-D
00771-D 00822-D
00855-D 00856-D
00860-D 00864-D
00866-D 00977-D
01021-D 01071-D
01114-D 01170-D
01192-D 01236-D
01266-D 01331-D
01429-D 01432-D
01462-D 01495-D
01690-D 01711-D
01807-D 021SS-D
02162-D 02302-D
023S4-D 02406-D
02441-D 02518-D
02645-D 02673-D
02763-D 02845-D
02883-D 02961-D
03011-D 03096-D 03100-D
03350-D 0379S-D 03888-D
03965-D 03979-D 04044-D
04151-D 04153-D 04157-D
04160-D 04162-D 04170-D
04223-D 04281-D 04405-D
04467-D 04667-D 04767-D
04839-D 04880-D 04881-D
05314-D 05548-D 05572-D
05606-D 05609-P 05617-D
05795-D 05797-D 05837-D
05892-D 06050-D 06460-D
06520-D 06889-D 06983-D
06984-D 07379-D 07401-D
07427-D 07506-D 07540-D
07654-D 07687-D 07814-D
07857-D 07885-D 07889-D
08311-D 08655-D 08674-D
09032-D 091]1-D 09234-D
09515-D 09573-D 09623-D
09721-D 09770-D 09906-D
09907-D 09983-D 10034-D
10296-D 10357-D 10406-D
10489-D 10518-D 10658-D
10663-D 10816-D 10960-D
11030-D 11061-D 11197-D
11237-D 11574-D 11604-D
12004-D 12196-D 15171-D
16516-D 16616-D 16721-D
17023-D 17048-D 17094-D
17351-D 00445-J 055C2-J
09268-J 09404-J 02174-K
04465-M 11108-M 15184-M
15317-H
Integral Equations 05121-D
Intelligence Tests 10752-F
Interferometry 08720-D
14992-D
Subject Index
1495
-------
Internal Combustion Engine
09715-B 17335-R
Ionization Energy
04456-M
Internal Combustion Engine
Cycles 01375-B
Inversion 05474-C 12627-C
Iodide 02498-M
Iodimetric Methods 01240-D
12140-D 15463-D
Icai Density 06480-C
05121-D 07488-M
15227-M
Ion Exchange 04475-M
Im Exchange Resins 05351-M
Ion Exchangers 07884-E
16365-E
Ion Formation 05047-M
Ion-Radiation System
05430-E
Ion Spectra 03342-C
05121-D 1523S-M
Ionic Mobility 03342-C
054S1-C 10663-D
13085-M 15235-M
Ionic Processes 02440-E
Ionic Reactions 03064-C
0S451-C 06480-C
02.489-M
Ionization 03842-C
04866-C 06785-C
01219-E 06627-E
03726-F 09242-F
15211-F 02464-M
03177-M 04283-M
14854-H 15071-M
1S138-M 15486-M
16375-M 17030-M
Ionization Chancers
01462-D 06279-D
0765S-D 08674-D
Ionization Detectors
00060-D 04839-D
Ionization, Indoor
06669-F
Ionization Methods
04241-D
Ionization Processes 12259-M
Ionized Air 00123-F 04031-F
15212-J
Ionized Air Environment 12158-F
15212-J
Ionized Air Therapy 04480-F
Ionized Environment 05405-C
Ionizing Radiation 06867-E
08965-F
Ionospheric Processes 04527-C
05205-C
Ions 06627-B 02677-C 03342-C
03842-C 05205-C 05451-C
06785-C 09431-C 02128-D
07545-D 07655-D 10816-D
11834-D 16085-D 17347-D
07172-E 00100-F 01737-F
01738-F 01957-F 02122-F
02163-F 02367-F 03723-F
04208-F 05161-F 05241-F
05927-F 06264-F 06786-P
07746-F 08021-F 08276-F
08842-F 09239-F 10928-F
11490-F 15383-F 15725-F
16155-F 16302-F 00433-G
00577-G 00601-fl 00604-G
00786-G 01697-G 07864-G
09317-G 15382-G 15726-J
14634-L 02498-M 02508-M
03177-M 0349 3-M 03682-M
04429-H 05043-M 06189-M
07488-M 08620-M 09034-M
11783-M 11784-M 1196S-M
13085-M 13457-M 14092-M
14155-M 15166-M 15197-M
15380-M 15833-M 16258-M
16509-M
Ions, Gaseous 06265-E
00609-F
Ions, Metal 13446-F 16S15-F
1496
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Ions, Radioactive 04636-E
Ions, Iftiinolar Sources
01704-M
Iraser 15114-M
Iron-Oxide 06105-E
Iron Sulfide 13692-M
Irradiated Mr 03883-B
03785-F
Irradiated Auto Exhaust
01958-B 07178-B
01335-F 01842-F
02332-F 02842-F
03883-F 11307-F
00413-G 05103-G
05844-G
Irradiation Chamber Test
02244-B
Irradiation Chancers
01504-C 00068-D
07830-D 00961-G
03S75-M 05849-M
Irreversible Processes
14232-M
Irritant Substances
03151-F
Irritants 00499-F
03890-F
Isobutane 03624-M
09031-M
Isomerization 01680-M
08829-M 09576-M
Isomers 05289-M
Isotope Effects 05051-M
Isotope Enrichment
15502-M
K
Ketone 09078-M
Ketone Reactivity 15351-B
Ketones 01236-D 00031-M
00355-M 00917-M 01632-M
01961-M 02534-M 03186-M
03551-M 05100-M 05333-M
07500-M 07798-M 08353-M
08877-M 09082-M 12169-M
Kinetic ColoTimetry 02760-D
Kinetics 02335-B 01880-M
04831-M 16043-M
Klebsiella pneumoniae 11306-F
Kraft Pulpinp 11008-B
01784-D 04882-D 083S4-D
08357-D
L
Lake Effects 07872-C
Lambert Ground Reflection
06047-C
Laser-Raman Radar 16881-D
Lasca Leaves 05485-G
Laser Energy 10683-C
Laser Radiation 05246-M
Lasers 06481-C 09601-C
11274-C 02199-D 04769-D
05190-D 06507-D 08073-D
08369-D 11030-D 11162-0
11622-D 12437-0 16881-D
17048-D 02503-M 06325-M
11188-M 14909-M 15019-M
15055-M 15056-M 15071-M
15115-M 15118-M 15139-M
15184-M See also: Meteorolo-
gical Instruments
Lead-Acetate-Tile Method
06107-D 09208-11
Lead Chanber Process 10907-M
Lead Confound 17038-G
Lead Deposits 00015-E
Lead, Tetraethyl 09355-B
Leaves 00413-G 01905-G
03627-G 03696-G
Subject Index
1497
-------
Leaves (Cont'd)
04684-G 04999-6
14063-G 18041-G
Legislation 09028-B
00453-C 03536-E
04659-E 01010-J
00225-K 00359-K
00897-K 01567-K
06124-K 08463-K
08556-K 11810-K
13366-K 17188-K
Legislation, Europe
05128-K
Legislation-WoTld-Wide
00263-B
Ligands 15808-M
Light Dependent Reactivation
02528-M 13273-M
Light Ozone 02916-G
Light, Polarized 04623-D
10585-D
Light Scattering 10408-M
16391-M 16258-M
Light Transmission
06503-C 15000-M
Light, Visible Spectrum
14317-M
Lignin 132S3-M 13484-M
Limestone Suspensions
13897-M
Linear Accelerators
16691-E
Lipid Peroxidation 04317-F
Lipids 11679-F 16515-F
15535-G
Lipoprotein 00995-F
Liquefied Petroleum 06104-B
Literature Review 00896-A
09278-A 00673-B 10474-B
08511-F
Local Governments 03850-K
Luminescence 11567-D
11615-J 11959-M 15055-M
Lung Antihodies 00668-F
Lung Cells 09994-F
Lung Clearance 13S2S-M
Lung Deposition 01455-F
Lung Diseases 00515-F
Lung Edema 14050-F
Lung Function 00672-F
02367-F 05913-F
Lung, Germfree 11297-F
Lung Lipids 10611-F
Lung and Myocardial Tissue
08424-F
Lung Sorfactant 00511-F
Lung Tissue 006S9-F
01893-F 15812-F
16661-F 16707-F
Lung Tumors 00639-F
09241-F See also:
Cancer, Lungs Cancer,
Pulmonary
Lungs, Anatomical Changes
16606-F
Lungs 00338-F 03620-F
06746-F 10416-F
11308-F 14493-F
Lungs, Rat 11S65-F
15812-F
Lysozyme 10492-F
13846-F
M
Malformations 1157S-F
Manganese Sulfate
16463-M
1498
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Manganese Tricaibonyl
16574-M
Mangels 05666-G
Manned Space Flight
02406-D
Maser, Infrared
15114-M
Materials Deterioration
04320-H 12170-1
09765-K
Mathematical Models
0009S-C 017S8-C
05228-C 05459-C
05711-C 06925-C
09466-C 01685-D
01807-D 10585-D
11806-F 05571-K
10485-L 08S72-M
08620-M 08717-M
14056-M 15140-M
17173-M
Maximum Allowable Con-
centrations 00081-B
03205-D 05952-D
01528-E 01916-F
07251-F 08151-F
08153-F 08154-F 08164-F
03353-K 06124-K 06349-K
06734-K 07597-K 07766-K
09137-K
Measurement Methods 05627-J
06948-J 09404-J 00206-K
05265-M 05325-M 12216-M
Measurements, Rocketbome
04149-C
Mechanical Devices 05082-E
Membrane Filters 01422-D
Mercaptons 04020-D 02817-M
06719-M 07866-M
Mesoclimatological Classifi-
cation 11052-C
Metabolic Effects 01993-F
totabolism 00654-G 16312-G
16313-G
>tetal Compounds 10528-D
00577-G 04626-M 13224-M
13267-M 13273-M 13327-M
13943-M 14747-M
Metal Films 09770-D
Metal Finishing Industry
13698-B
Metal Nitroso Compounds
13224-M
Metastable Molecules
06477-M
Meteorological Instruments
06777-C 01188-D
01446-D 02199-D
03091-D 04281-D
Meteorological Lidar 01188-D
01446-D 02199-D
See also: Lasers
Meteorology Q0023-B
00070-C 00130-C
00510-C 00618-C
00764-C 00783-C
00851-C 01640-C
01650-C 01752-C
02305-C 02938-C
03102-C 03373-C
03386-C 03717-C
04152-C 04159-C
04168-C 04335-C
04355-C 04548-C
05087-C 05451-C
05474-C 06043-C
07264-C 07693-C
07701-C 08197-C
08805-C 09283-C
09310-C 09311-C
10018-C 10436-C
10605-C 11516-C
11521-C 11522-C
11523-C 13758-C
14698-C 15390-C
16534-C 16554-C
04281-D 04934-E
11010-G 00136-J
02561-J 03407-J
07390-J 08722-J
16886-M
Meteorology, Ground
Layer 17185-C
17197-C
Subject Index
1499
-------
Methane Formation
06382-C 10422-M
Methanes 01828-C
15729-C 08838-D
03446-M 10037-M
10045-M 13922-M
13931-M 14385-M
Methemoglobin 00132-F
3-Methyl-2-Benzothiazalone
(fydrozcne Test 01802-D
02098-D
Methyl Radicals 02243-M
Methyl Sulfide 00952-C
08254-M
Meteorology 07180-D
Mice 00639
01319-F
01785-F
01957-F
02617-F
04416-F
06600-F
07099-F
08334-F
11535-F
15206-F
15579-F
F 01030-F
01368-F
018M-F
02332-F
03726-F
04852-F
06608-F
08100-F
11307-F
14493-F
15383-F
15725-F
Mice, Brain 15725-F
Mice, Lung 13852-F
Mice, Reproduction 07842-F
Mice, Thyroid Gland 13446-F
Microclimatology 05920-C
Microcoulomb Analyser
08311-D
Microcoularb Ozone Sensor
04767-1)
Microcoulometric Methods
08354-D 17047-D
Micrameteorological 04991-C
Microorganisms 02677-C
D0244-G 00992-G 00231-M
07463-M 10119-M
See also: Fungi, bacteria,
bacteriophage
Microscopes 00196-D 00864-D
Microwave Emission Detector
08323-D
Mie Theory 06612-M
Mineral Wool Filters 075S2-E
Mines 13087-D
Mini-Adak II 060S0-D
Mining Rock Dumps 08161-J
Missile Exhaust 06994-C
Missiles § Rockets
07072-K
Mobile Laboratories 00635-D
02745-D 06388-D 02241-J
Mobility Spectrograms
15235-M
Molecular Structure
00925-M
Molecules 01889-M
14155-M 14909-M
15054-M 15380-M
Monitoring
01192-D
04596-D
04881-D
05322-D
06279-D
07889-D
11130-D
16022-D
09280-J
03521-J
Monitoring
01828-C
00856-n
01071-D
01432-D
02763-D
03245-D
05548-D
05609-D
06433-D
09032-D
01572-B
02406-D
04880-D
05158-D
05866-D
07687-D
10357-D
12887-D
17023-D
06960-J
13366-K
, Continuous
00051-D
00977-D
01169-D
02045-D
03159-D
03520-D
05606-D
06279-D
08674-D
09721-D
1500
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Monitoring, Continuous (cont'd)
10296*D 10357-D
11043-D 11061-D
11834-D 12004-D
13153-D 14076-D
14213-D 14550-D
15171-D 15200-D
15234-D 15334-D
15484-D 12147-J
Monitoring, Intermittent
02987-D 13463-D
Monochramator 11108-M
Monomethyl Hydrazine 07709-D
Morbidity 01520-F
Morbidity, Hospital Q6689-F
Morbidity-Mortality 00825-F
02742-F 02781-F 03252-F
03427-F
Moibidity, Uiban 11331-F
Morphological Response 08424-F
Mortality 01327-F 03519-F
10514-F 11806-F
Motor Vehicle Exhausts 04584-A
000S2-B 00186-B 00798-B
00962-B 01488-B 01S34-B
01624-B 0431S-B 04808-B
05007-B 05912-B 16263-B
00157-L 03007-L 03S83-L
16S18-L See also: Automotive
Air Pollution Automotive
Emissions Engine Exhausts
Automotive Exhausts
Motor Vehicles, New 0807S-E
Mucociliary Activity 06048-F
Museum Specimens 0227Q-H
Mutation 12175-F
Naphtha Engines 07690-B
National Air Sanpling Network
(NASN) 0308S-A 00297-D
01691-D 00017-J 01S94-J
02241-J 02340-J 065S9-J
06700-J 06701-J 11353-J
16736-K
Natural Radioactivity
03725-J
Natural Resources 04592-E
N-butyl Cellosolve 08894-D
Needle Blight 163S4-G
Neonatal Resistance
14050-F
Nephelometer, Integrating
15308-C 07506-D
Nephelometer, Ultraviolet
PolaT 03011-D 03350-D
Nervous System 07746-F
11132-M
N-Heterocyclic Conpounds
04029-D 05319-D
Nicotiana jjlutinosa
I'SiS-B
Nitrates 00348-D 04555-D
08487-D
Nitric Acid 06889-D
14408-D 01619-B
02051-B
06844-E
13689-E
14007-E
13948-M
05401-E
13202-E
13899-E
12419-M
Nitric Acid Manufacture
01583-B 04310-B
00959-E 12637-E
Nitric Acid Plants
01125-B 14630-B
1S087-E 16726-E
Nitric Acid Production
09981-E
Nitric Oxide (NO) 02335-B
03233-B 12S88-B 14924-B
15723-B 00345-C 004J2-C
01984-C 02344-C 04461-C
0S0SS-C 05205*0 173B7-C
00059-D 00160-D 00179-D
02S20-D 03245-D 03402-D
Subject Indtx
*501
-------
Nitric Oxide (NO) (cont'd)
03621-n
04915-D
06433-D
07687-D
08256-D
09721-D
I1855-D
13932-D
16306-D
04618-E
00180-F
14119-F
OOOO1-M
00612-M
01888-M
02838-M
03114-M
04913-11
07681-M
10066-M
10912-M
13265-M
13407-M
13528-H
13558-M
13685-M
13894-M
13930-M
14146-M
14570-M
1S225-M
16315-M
17030-M
04635-D
0S078-D
06460-D
078S7-D
08894-D
10232-D
12004-n
14B37-D
17024-D
14531-E
01168-F
16906-G
00053-M
00939-M
02328-M
02851-M
04429-M
04914-M
07717-M
10907-M
13223-M
13312-M
13415-M
13530-M
13S64-M
13822-M
13895-M
13968-M
14293-M
14603-M
16235-M
16530-M
17168-M
04900-D
05343-D
06642-D
07d38-D
09315-D
10902-D
12437-D
15634-D
03204-E
16341-E
02306-F
05112-J
00128-M
01881-M
02837-M
03020-M
04633-M
05226-M
09078-M
10911-M
13224-M
13392-M
134S4-M
13S40-M
13633-M
13823-W
13900-M
14055-M
14471-M
15166-M
16236-H
16963-M
18019-M
Nitric Oxide Catalyzed 01680-M
01880-M
Nitric Oxide Emission Levels
11606-B
Nitric Oxide Formation
12990-B 17335-B
Nitric Oxide Hemoglobin
Derivatives 16045-M 16046-M
Nitric Oxide Hydrogenaticn
16167-H
Nitric Oxide, Photolysis
05267-M
Nitric Oxide Reaction
05425-M
Nitric Oxide Recovery
13746-E
Nitric Oxide Reduction
System 03061-E
Nitric Oxide Removal
13550-E IS100-E
16157-E
Nitric Oxide Tail Gases
09981-E
Nitrites 02093-D
02799-D 04555-D
03682-M 14092-M
14219-M
Nitroalkanes 05904-M
Nitrocellulose Ray Film
10S14-F
Nitrogen
04900-D
00354-M
04407-M
13417-M
13503-M
01106-C
07857-D
01889-M
13312-M
134S2-M
13894-M
Nitrogen Compouids
17171-B 04870-M
Nitrogen Dioxide
00892-B 01574
02148-B 04609-
05893-B 07451.
16627-B 01825-
01984-C 04988-
08805-C 00179-
00385-D 00856-
00956-D 01021-
01086-D 01685-
01691-D 02045-
02368-D 02492-
03096-D 03099-
03402-D 03621-
04643-D 04696-
05078-D 05352-
05606-D 05786-
06460-D 06613-
06832-D 06911-
07540-D 07938-
08256-D 08894-
09906-D 10242-
11738-D 11855-
13493-D 14213-
00097-E 01791-
16691-E 00165-
00428-F 00919-
00992-F 01040
_£*°2)
02063-D
02799-D
03245-D
04018-D
04900-D
05548-D
05866-D
06642-D
07114-D
08J35-D
09721^D
11562-D
I2358-D
15521-D
14902-E
00338-F
00933-F
01168-F
1502 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Nitrogen Dioxide (cont'd)
01324-F 01591-F 02116-F
02213-F 02483-F 03254-F
03257-F 03261-F 038S3-F
05295-F 06053-F 06055-F
06201-F 06717-F 06745-F
08026-F 08570-F 08812-F
09232-F 09368-F 09412-F
10490-F 10685-F 11297-F
11306-F 11308-F 11539-F
11565-F 11670-F 11679-F
11682-F 12079-F 1Z173-F
13852-F 13868-F 14050-F
14065-F 14377-F 14493-F
16661-F 16840-F 17027-F
17055-F 17061-F 17311-F
00963-G 01666-G 03618-G
05610-0 05844-G 06404-G
I0206-G 11748-G 16517-G
17109-G 02241-J 03714-J
04562-J 05112-J 08297-J
00354-M 00923-M 01318-M
02508-M 03575-M 03682-M
04410-M 04633-M 06320-M
09079-M 10907-M 11279-M
11770-M 12142-M 13341-M
13354-M 13408-M 13452-M
13S61-M 13683-M 13889-M
14081-M 14179-M 14317-M
14384-M 15495-M 16043-M
16261-M 16963-M 16986-M
17063-M 171S5-M 17168-M
18019-M
Nitrogen Dioxide Absorption
09958-F
Nitrogen Dioxide, Acute
Exposure 00660-F
Nitrogen Dioxide Chronic
Exposure 00660-F
Nitrogen Dioxide, Color
Effects 01S73-B
Nitrogen Dioxide Equivalent
Method 03544-D
Nitrogen Dioxide, Gaseous
16117-M
Nitrogen Dioxide Inhalation
00339-F 00668-F
15812-F
Nitrogen Dioxide-Nitrogen
Tetroxide 08668-F
Nitrogen Dioxide-Olefin Gas
Mixtures 08897-F
Nitrogen Dioxide Removal
16555-E
Nitrogen Dioxide, Subacute
Exposure 15215-F
Nitrogen Dioxide-Sulfur
Dioxide Gas 14079-F
Nitrogen Dioxide, Two Parts
Per Million 10970-F
Nitrogen Gases 07174-F
16204-M
Nitrogen Oxide Concentration
09831-B
Nitrogen Oxide Control
15941-E
Nitrogen Oxide Elimination
10336-E
Nitrogen Oxide Emission
Sources 15625-B
Nitrogen Oxide Gases 16209-M
Nitrogen Oxide Peroxidation
05628-M
Nitrogen Oxide Problem 16722-B
Nitrogen Oxide Reaction 04277-M
05204-M
Nitrogen Oxide Recovery 14448-E
Nitrogen Oxides Removal 04354-E
14631-E
Nitrogen Oxides 01484-B 01958-B
04310-B 09715-B 12176-B
13547-B 13698-B 16627-B
01244-C 01718-C 03858-C
06604-C 00469-D 00476-D
01169-D 03218-D 03048-D
04SS5-D 04857-D 05081-D
05609-D 06301-D 06435-D
06889-D 07391-D 07482-D
09032-D 09515-D 09969-D
10357-D 10902-D 11130-D
11562-D 1175S-D 13087-D
15484-D 16232-D 17380-D
Subject Index
1503
-------
Nitrogen Oxides (cont'd)
00959-E 05151-E 05857-E
06867-E 06877-E 07093-F.
07549-E 07554-E 07881-E
09340-E 13160-E 13535-E
13538-E 13SS4-E 13662-E
13707-E 13718-E 13899-F.
14034-E 14481-E 15087-E
15152-E 15321-E 16299-E
01402-F 04221-F 05814-F
08403-F 16066-F 00301-G
00961-G 01981-J 06872-J
07478-J 09391-J 14180-J
00700-M 02734-M 02761-M
03107-M 03179-M 03349-M
03361-M 03428-M 04578-M
04653-M 08845-M 10907-M
10911-M 10913-M 12230-M
13417-H 13448-M 13545-M
13546-M 13574-M 13640-M
13688-M 13897-M 13901-M
13916-M 13922-M 13948-M
14056-M 14380-H 14624-H
14636-M 15227-M 16204-M
17043-M 17146-M
Nitrogen Oxygen Compounds
14196-E
Nitrogen-Oxygen Species
06473-M
Nitrogen Pentoxide (N?Oc)
10902-D 15521-1)
04580-M
Nitrogen Peroxide 10910-M
Nitrogen Tetroxide
05649-B 06983-D
09770-D 13559-M
14219-M 14620-M
Cn2o4)
Nitro-Olefins 02223-F
Nitrous Acid 09576-M
Nitrous Fumes 087S5-B
Nitrous Gases 01740-B
02051-E 07240-F
06573-L
Nitrous Oxide (N?0)
11738-D
08838-D
16232-D
08461-F
16907-F
13392-M
05048-E
15794-F
06320-M
13452-M
15253-M 15272-M
15756-M 17223-M
Nitrous Oxide Dissociation
16161-M
Nitrous Oxide Inhibition
16948-F
Nitrous Oxide Production
16233-E 16699-E
Nitroxyl Radicals 13671-M
Nonphotochemically Reactive
Primers 08557-B
Non-Urban Areas 17057-G
Nucleaticn, Homogeneous
10027-M
Nucleatinn Time 11310-C
Oat Leaves 03700-G
Oats 00656-G 01728-G
03496-G 04707-G 16517-G
Occupational Diseases 01977-F
07347-F 07541-F
Occupational Health 06055-F
08461-F 16916-F
Ocular Sensitivity 11476-D
Odor Ccntrol 15948-E
Odors 02786-D 03542-D
08354-D 08357-D 16781-D
15772-E 16365-E 03785-F
08646-F 00251-J
Oil ffists 03530-F
Olefins
00773'
01304-D
03112-D
0S136-D
00238-M
02851-M
07510-M
09079-M
03761-B
C 01244-
02158-
03679-
01981-
00565-
03428-
07791-
11864-
06104-B
C 01264-C
02162-D
03727-D
00128-M
02837-M
07498-M
09078-M
1504
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Olfaction 11132-M
Olfactory Threshold 11476-D
10791-F
Operating Variables 00324-B
12196-D
Opinion Survey 01149-L
Optical 0S81O-C
Optical Frequency Radiation
15138-M
Optical Radar 05190-D
Optics Q9111-D 10037-M
10078-M
Ordinances 033S3-K
Organic Chemistry 16986-M
Organic Lead Confounds
0S158-D
Organic Nitrogen Compounds
03112-D 0591S-D
Organic Phosphorus Caipounds
00627-D
Organic Substances 02472-M
Organic Sulfur Conpounds
02874-D 06385-D
07648-D 08354-D
1149B-D 12887-D
Organic Vapors 00109-B
Oscillographic Polarography
17146-M
Otto Engines 02648-E
Oxidant Concentrations
09549-C
Oxidant Precursors
00244-G
Oxidant Sibling Network
05095-J
Oxidants 00070-C
00242-C 00613-C
06043-C 08330-C 12632-C
00866-D 01169-D 01266-D
01331-D 02064-D 02354-D
02732-D 02747-D 02760-1)
03234-D 03690-D 04044-D
04405-D 04579-D 06319-D
07401-D 07402-D 07830-D
08894-D 09032-D 09108-D
09515-D 10513-D 12140-D
13932-D 15621-D 16857-D
14424-E 01588-F 03252-F
03883-F 11347-F 16794-F
16840-F 00009-G Of) 121-G
00184-G 00229-G 00655-G
00696-G 00950-G 00953-G
01014-G 01250-G 01666-G
01800-G 01809-G 03496-G
03S21-G 03595-G 03608-G
03611-G 03617-G 05558-G
0S560-G 05666-G 0S74S-G
05851-G 05903-G 06498-G
06499-G 10965-G 16820-L
00058-M 01075-M 03575-M
07505-M 08845-M 11050-M
11147-M 13267-K 14636-M
18019-M
Oxidation 00360-C 00432-C
009S2-C 03777-C 05575-C
06043-C 07456-C 07S18-C
09426-C 09427-C 09433-C
14411-C 00426-D 02921-D
03234-D 07709-D 08296-D
11842-D 11903-D 13932-D
17047-D 04838-E 15087-E
17038-G 03863-J 08161-J
00058-M 00939-M 02838-M
03160-M 03807-M 03985-M
04454-M 04771-M 05058-M
05208-M 05378-M 06719-M
07607-M 08254-M 08700-M
09046-M 09200-M 097S5-M
10043-M 10045-M 10066-M
10422-M 10522-M 10911-M
11742-M 11872-M 120*1-M
13002-M 13034-M 13223-M
132S3-M 13375-M 134S7-M
13688-M 13692-M 13843-M
13898-M 13916-M 13936-M
13939-M 14055-M 14092-M
14224-M 14385-M 14418-M
14747-M 15122-M 1S259-M
1S486-M 1S7SS-M 16204-M
J6207-M 16379-M 16419-M
16422-M 16429-M 16461-M
16463-M 16609-M 16788-M
17146-M 17155-M 17211-M
17330-M 17389-M 18025-M
Subject Index
1505
-------
Oxidation, High Temperature
02309-M
Oxidation Processes 10591-E
13068-E
Oxidation Products 10475-B
05643-M
Oxidative Decarboxylation
13324-M
Oxides o£ Nitrogen 02635-B
03355-B 05157-B 05599-B
05970-B 00569-E 13537-E
14025-E 14031-E 14801-E
14955-E 15087-E 02842-F
03883-F 05819-F 07347-F
16820-L See also: Nitrogen
Oxides
Oxides of Nitrogen, Combustion
04878-M
Oxides of Nitrogen Concentration
09323-B
Oxides of Nitrogen Formation
01568-B
Oxides of Nitrogens, Higher
16606-F 16613-F
16614-F
Oxides of Nitrogen, Standards
01400-L
Oxidized Gases 13707-E
Oxidized Hydrocarbons
03609-G 03613-G
03616-G 05724-G
Oxygen 00139-C 03064-C
04461-C 07257-C
03820-F 00161-M
00357-M 01102-M
01889-M 02464-M
02851-M 04556-M 04626-M
05491-M 08254-M 09077-M
10911-M 10912-M 11245-M
11248-M 11279-M 11742-M
13312-M 13375-M 13417-M
13503-M 13540-M 13968-M
15166-M 15470-M 15756-M
16036-M 17173-M 17223-M
17370-M 17389-M
Oxygen Exchange 11490-F
Oxyhemoglobin Dissociation
08668-F
Ozonated Hexene Gas
03628-G 05777-G 05778-G
Ozonated Hydrocarbons
05723-G
Ozonation 08705-E 10637-E
Ozone 10788-A 13182-A
01740-B 12557-B 00102-C
00245-C 00285-C 00773-C
00787-C 01305-C 01458-C
01752-C 01758-C 02201-C
024S8-C 02465-C 02476-C
02524-C 02869-C 03649-C
03953-C 04149-C 04152-C
04154-C 04156-C 04158-C
041S9-C 04161-C 04163-C
04164-C 04165-C 04167-C
04168-C 04202-C 04988-C
05459-C 05576-C 06047-C
06481-C 06916-C 06918-C
07976-C 07980-C 08625-C
10787-C 10980-C 11274-C
12633-C 12644-C 16618-C
16889-C 17142-C 00214-D
00274-D 00328-D 01162-11
01240-D 01266-D 01349-D
01393-D 02188-D 02518-D
03159-D 03537-D 03544-D
03979-D 04044-D 04150-D
04151-D 041S7-D 04160-D
04162-D 04169-D 04467-D
04767-D 05190-D 06050-D
06319-D 06352-D 06460-D
06984-D 07379-D 07441-D
07684-D 07867-D 08049-D
08135-D 08311-D 08436-D
08859-D 09032-D 09108-D
10100-D 10315-D 10489-D
10902-D 12140-D 12338-D
13153-D 14201-D 14408-D
14502-D 14831-D 15234-D
15334-D 16516-D 16721-D
17023-D 17094-D 06688-E
06867-E 07613-E 13029-E
15772-E 15948-E 16691-E
17238-E 00165-F 00672-F
00738-F 01168-F 01218-F
01977-F 02811-F 02213-F
03619-F 04048-F 04312-F
04323-F 05364-F 05538-F
06415-F 06608-F 06618-F
07099-F 07347-F 07657-F
07821-F 07834-F 08461-F
1506 PH0T0CHEKHCAL OXIDANTS AND AIR POLLUTION
-------
Ozone (cont'd)
08499-F 08965-F 10492-F
10623-F 10670-F 10685-F
10752-F 10778-F 10780-F
10790-F 10792-F 11539-F
13058-F 15579-F 16705-F
16905-F 00121-G 00184-G
00244-G 00316-G 006S4-G
00696-G 00737-G 00775-G
009S0-G 01421-G 01904-G
02313-G 02744-G 03092-G
03098-G Q349S-G 03573-G
03617-G 03626-G 03628-G
03629-G 03630-G 03961-G
04476-G 04582-G 04684-G
04707-G 04724-G 05131-G
05279-G 05362-G 05698-G
05774-G 0S777-G 05778-G
05844-G 05902-G 06447-G
07455-G 07610-G 09114-G
10426-G 10674-G 10690-G
10713-G 10978-G 11S81-G
11748-G 11S01-G 12042-G
12043-G 12149-G 12047-G
12166-G 12944-G 13174-G
14063-G 14351-G 14826-G
14962-G 14963-G 14966-G
14968-G 15286-G 15332-G
15535-G 16273-G 16287-G
16311-G 16312-G 16313-G
163S4-G 16362-G 16704-G
17210-G 17227-G 04320-H
11815-1 00688-J 02832-J
03714-J 04173-J 04348-J
0S1U-J 06169-J 07083-J
07478-J 09268-J 09467-J
11627-J 11775-J 00371-M
02504-M 03016-M 03149-M
03356-M 03968-M 04155-M
04410-M 04992-M 0750K-M
09441—M 10910-M 12216-M
13020-M 13564-M 13671-M
14500-M 14815-H 15317-M
15746-M 15829-M 16488-M
17155-M 17195-M 17301-M
Ozone Adsorption Coefficients
00274-D
Ozorte, Atmospheric 04172-A
109S8-B 16342-C 16764-C
Ozone Calibrator 04467-1)
09907-D
Ozone Density 04292-C
Ozone, Diurnal ChanRes
04161-C
Ozone Exposure 01319-F
03082-F 03269-F 10611-F
Ozone Exposure, Acute 16055-F
Ozone Exposure, Chronic
01993-F
Ozone Generator 01240-D
09907-T) 16721-D
Ozone, Hi^h Concentrations
02826-F
Ozone-Hydrocarbon Reactions
05680-F
Ozone, Infrared Spectrum
14992-D
Ozone Intoxication 09244-F
10390-F
Ozone Layer Temperature
04156-C
Ozone, Low Concentrations
11807-F
Ozone Molecule Structure
04171-M
Ozone-Olefin Reactions
03595-G 03596-G
Ozone Precursors 04348-J
Ozone-Protective Waxes
09441-M
Ozone Recorder, Mast
03100-D
Ozone, Seasonal Change
02524-C 04158-C
04167-C 04292-C
Ozone Tolerance 08100-F
Ozone Toxicity 00836-F
008S2-F 00854-F
01330-F 03603-F
03620-F 0362S-F
04494-F 04495-F
1S206-F 16362-G
Ozone, Variations 10285-C
Subject Index
1507
-------
Qzonesondes 02458-C
02465-C 11274-C
01162-D 04153-D
04160-D 04170-D
07684-D 12196-D
Ozanolysis 00565-M
Ozonometers 02458-C
02518-D 04151-D
04153-D 04160-D
04162-D 04170-D
06984-D 17023-D
17351-D 15317-M
Ozanespheric 06994-C
Paint Industry 11090-K
Paints 07127-D
Paper Filters 04636-E
Paramagnetic Resonance 07097-D
15817-M
Paraffins 08700-M 16605-M
See also: Hydrocarbons,
Aliphatic
Parameters 06722-A
Pararosaniline Method
01091-D 06832-D
Particle Counters 00860-D
01446-D 01625-D 02841-D
04968-D 07545-D 0765S-D
10296-D 14817-D 00069-M
Particle Size 00834-C
07693-C 08868-C 10182-C
00418-D 00578-D 00860-D
01711-D 02841-D 03888-D
04623-D 04968-D 04979-D
10296-D 11622-D 14817-D
00069-M 08623-M
Particles
05405-C
03558-C 03657-C
05810-C 11516-C
Particulate Classification
Methods 00578-D
00855-D 01711-D
02841-D 03888-D
05314-D 08724-D
Particulate Matter 04987-C
12632-C 16886-M
Particulate Sampling
09113-C 10816-D
Particulates
16886-M
11784-M 11872-M
Particulates Suspended
00226-C 00236-C
06235-C 07693-C
09113-C 09429-C
09439-C 11310-C
00293-D 00855-D
00886-D 01033-D
01170-D 01188-D
01625-D 02354-D
04979-D 06800-D
06987-D 07889-D
08073-D 11834-D
01594-J 03701-J
03863-J 05500-J
06192-J 05849-M
06189-M
Particles, Unipolar Charged
01455-F
Pathological Material
02155-D
Periodic Acid 11147-M
Permeability 17279-D
Permeation Tiibas, Teflon
01577-D 17279-D
Peroxide Radicals 13364-M
Peroxyacetyl Nitrate (PAN)
12E57-B 00613-C
00237-D 08692-D
11051-D 01060-F
01699-F 04852-F
06020-F 08334-F
11535-F 12157-F
16780-F 00009-G
00229-G 00654-G
00655-G 00737-G
00950-G 01728-G
01905-G 02916-G
03292-G 03472-G
03618-G 04576-G
04707-G 05131-G
05774-G 06417-G
06500-G 07455-G 11748-G
12034-G 12042-G 12166-G
1508
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Peroxyacetyl Nitrate (cont'd)
14968-G 15514-G 15578-G
16950-G 16927-J 00238-M
Q5Z68-M 05491-M 06068-M
07445-M
Perturbations 01305-C
06993-C
Petrochemical Industries
08524-8
Petroleum Refining 16016-D
01620-B
Petunias 02209-G 03585-G
Phenolphthalin Method
03690-D 04S79-D
07119-D
Phenolphthalin Reaction
05968-E
Phenyl Radicals 16693-M
Philips-Stirling Engine
1S243-M
Phosgene (CL2CO) 01236-D
Phosphate Industry 1S452-B
Phosphorescence 00386-D
07097-D 11567-D 03551-M
Phosphoric Anhydride 13546-M
Photocatalysis 15118-M
Photochemical 01305-C
1S490-F 00950-G
02209-G 10690-G
12142-M 16307-M
171S5-M
Photochemical Aerosols
01463-F 02412-M
Photochemical Aspects 03058-C
Photochemical Decomposition
0S904-M
Photochemical Methods
02498-M
Photochemical Oxidants
01483-F 04322-F
04966-F 107S1-F
11045-F 04320-H
01007-L 05545-L
01579-M
Photochemical Oxidation
03657-C 05817-C
01304-D 04635-D
02179-J 11459-J
02534-M 02535-M
02853-M 03488-M
04583-M 07500-M
09749-M 11771-M
13364-M 14815-M
17010-M 1719S-M
1802S-M
Photochemical Pollutants
08377-B
Photochemical Pollution
01076-B 00980-F
04321-F 09061-F
0956S-F 11335-F
Photochemical Processes
06646-M
Photochemical Reaction
Products 00658-F
04650-F
Photochemical Reactions
0Q9S4-A. 01575-B
06300-B 00242-C
0024S-C 00344-C
0034S-C 0046S-C
00502-C 00602-C
00611-C 00613-C
00618-C 00757-C
00789-C 00935-C
01027-C 01194-C
01264-C 01406-C
01407-C 01408-C
01S04-C 02359-C
02869-C 04164-C
05533-C 05711-C
06069-C 06604-C
074S6-C 07257-C
15713-C 16846-C
02842-F 04645-F
00696-G 03615-G
005S0-D 01683-D
02747-D 05572-D
07981-D 11305-0
15354-D 01830-J
06551-J 16927-J
00355-M 00923-M
05818-C
06632-C
08330-C
01591-F
00229-G
03618-G
02368-D
06955-D
12362-D
03104-J
00034-M
0092S-M
Subject Index
1509
-------
Photochemical Reactions {cont'd)
01318-M 0187S-M 01961-M
02817-M 02904-M 03066-M
04633-M 05100-M 05613-M
06102-M 07108-M 07499-M
07510-M 07798-M 07806-M
07866-M 08558-M 10129-M
11771-M 11872-M 12320-M
15028-M 1S046-M 15140-M
15S02-M 159U-M 15986-M
Photochemical Reactivity
01848-B 08376-B 13951-B
17339-B 07187-E 08345-E
Photochemical Reduction 07085-M
Photochemical Smog 04584-A
00325-B 00962-B 01484-B
02362-B 05864-B 15310-B
15351-B 15352-B 04338-E
04659-E 03270-F 03978-F
10327-K 13527-L
Photochemical Smog Reaction
10660-E
Photochemical Smog, Synthetic
06600-F
Photochemical Studies 01210-M
Photochemical Systems 05176-F
Photochemically Reactive
Solvents 09028-B
Photochemistry 01106-C
01305-C 01326-C
01458-C 09567-C
12634-C 03401-E 01603-F
09060-F 02371-G 01186-M
022S8-M 02445-M 02788-M
03009-M 03522-M 04285-M
07717-M 09078-M 10512-M
10519-M 11239-M 11249-M
12169-M 15024-M 15139-M
Photocyclization 00356-M
Photocycloeliminaticn
Photodynamic Effects 00663-M
07463-M
Photoelectric Phenomena
04153-D
Photoelimination 00917-M
Photoexcitaticn 14854-M
Photoinitiation 02528-M
Photoionization 00059-D
00771-D 09573-D
14854-M
Photoionizati(xi Resonance
Spectra 14293-M
Photolysis 00611-C
00629-C 0093S-C
01649-C 01718-C
01825-C 10034-D
00031-M 00238-M
00353-M 00356-M
00923-M 01026-M
01961-M 01648-M
02243-M 02337-M
02494-M 02517-M
02528-M 03184-M
03186-M 03484-M
03559-M 03560-M
03561-M 04456-M 04863-M
04870-M 07512-M 07798-M
08056-M 08105-M 08877-M
09077-M 09080-M 09267-M
09749-M 11243-M 11249-M
11279-M 11188-M 12046-M
13889-M 15019-M 15253-M
15272-M 15281-M 15045-M
15491-M 15746-M 15785-M
15790-M 16986-M 17223-M
17370-M
Photometric Analysis 02064-D
02188-n 03719-D 03924-D
05609-D 05797-D 08835-D
09721-D 10315-D 13422-D
14201-D
Reaction 00916-M
Photodecomposition 04286-M
Photodetachment 14854-M
Photodynamic Assay 00728-D
00966-D 01302-D
Photooxidaticn 00109-B
00921-C 01244-C 01718-C
17387-C 01825-C 01984-C
02352-C 02777-C 03858-C
05821-C 02732-D 06301-D
02263-F 05819-F 00001-M
01075-M 01747-M 01978-M
02517-M 02837-M 03114-M
1510
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Photooxidation (cont'd)
03428-M 03624-M 04228-M
04404-M 05099-M 05333-M
0S824-M 07108-M 08353-M
08827-M 08845-M 09079-M
11248-M 12419-M 13327-M
17302-M
Photons 04456-M
Photophoresis 04677-C
Photophosphorylaticn 00231-M
Photoreductian 02496-M
08829-M 09082-M
Photosedimentatiarv 01711-D
Photosynthesis 0Q245-C
00232-G 00433-G
006S5-G 01904-G
Q2209-G 02379-G
03094-G 03627-G
10690-G 10978-G
11501-G 16950-G
10917-M 13273-M
Phthalic Anhydride 08133-D
Phthalocyanine Vapors 15019-M
Physiological Function
00303-F 06264-F
Phytotoxic Oxidants 09549-C
Phytotoxicants 00245-C
00613-C 08446-D 00009-G
00121-G 00184-G 00316-G
00775-G 00953-G 00963-G
012S0-G 02209-G 02537-G
03098-G 03395-G 03S73-G
03611-G 03612-G 03613-G
03616-G 03618-G 0S610-G
06557-G 12034-G 12042-G
121S5-G 15S14-G 16357-G
18041-G 00001-M 01075-M
Phytotoxicity 01574-B
Phytotrcn 03549-G
Pickling Plant 1353S-E
Pilot Plant Column 13901-M
Pine Needles 09114-G
Pinto Beans 00121-G
02209-G 02916-G
04576-G
05362-G
07453-G
1S482-G
04724-G
05745-G
143S1-G
Planning and Zoning
15605-K
Plans § Programs 01604-K
02376-K 047S2-K 11090-K
Plant Damage 03265-B
02842-F 05680-F
00087-G 00235-G
05844-G 07605-L
Plant Growth 00601-G
00604-G 00963-G
03495-G 03496-G
03629-G 03630-G
06417-G 12149-G
16313-G 15S78-G 17210-G
Plant Indicators 03584-B
00242-C 00760-D
01818-D 11305-D
01391-G 06S57-G
16357-G 17057-G
Plant Pathology 05344-G
Plant Pollutant Retention
00264-D 1S605-K
Plant Precursors 12557-B
Plant Sensitivity 15559-G
Plants and Livestock, Effects
00613-C 00760-D
05892-D 11305-D
11010-G 11157-G
1560S-K 09764-M
13786-M
Plasma Production 15056-M
Plastic Bags 00620-D
01876-D
Plastics 08294-D
Platinum Electrodes 15755-M
Plethysmography 03295-D
Subject Index
1511
-------
Plume Behavior 02168-D
Pneumoconiosis 07347-F
PQA. annua 03697-G
TT3698-G See also: Grasses
Polarization of Sky Light
03068-C 11597-C
Polarogranhic Analyzers
10406-D
Politics 11811-K
Pollutants 16251-A 17260-A
1800S-A 05892-B 00929-C
01675-C 03381-C 05818-C
06841-C 10S04-C 00108-D
00126-D 00224-D 00635-D
00845-D 02415-D 02681-D
03425-D 06112-D 08762-D
08889-D 10513-D 10518-D
15171-D 00526-J 00698-J
00781-J 00913-J 07166-J
11224-J 15161-J 15173-J
17240-J 00169-K 00206-K
00359-K 05571-K 08645-M
09764-M
Polorographic Method 03218-D
Polynuclear Aza Heterocyclic
Corpounds 04328-D
Polysulfides 13253-M
Ponderosa Pine 11501-G
Population, New York
11346-F
Potassium Pyrosulphate
12041-M
Potentiometric Methods
16335-D
Power Plants 14732-F
Power Plants, Coal Burning
02921-D
Power Plants, Thermal
10228-C
Power Industry 00024-B
Precious Metal Catalysts
15271-E
Process and Equipment
14630-E
Precoribustion 12176-B
Precipitation 10724-C
06919-D
Pressure 00476-D 05352-D
02761-M
Prolines 04029-D
Propane 00629-C
Propionaldehyde 00921-C
Proposals 00179-D 00760-D
05322-D 11408-K 18024-K
15114-M
Propylene 03858-C 01591-F
05610-G 08845-M
Protein Products 10788-A
07505-M
Protein Radicals 16070-M
Proteins 01699-F 11682-F
16515-F
Pseudochromatographic
Microanalysis 15752-D
Psychomotor and Physiological
Tests 01738-F
Public Affairs 04752-K
Pulmonary Airway Resistance
11425-F
Pifclic Attitude 00955-C
040S8-N
Public Information 03850-K
Public Reaction 01069-N
Pulmonary Cell Population
11670-F
Pulmonary Cells 05538-F
Pulmonary Diffusion 10071-F
1512
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Pulmonary Diseases 00681-F
13S25-M
Pulmonary Edema 07173-F
08499-F 10779-F
11470-F 01368-F
Pulmonary Edema, Acute
0016S-F 00428-F
Pulmonary Effects
16830-F
Pulmonary Flaw Resistance
00033-F 13868-F
Pulmonary Function
00480-F 00617-F
00794-F 01698-F
01977-F 03529-F
0663S-F 06640-F
11632-F 14079-F
Pulmonary Infection
01319-F 07847-F
Pulmonasy Injury 02266-F
Pulmonary Irritants
08027-F 12402-F
Pulmonary Lesions
02617-F
Pulmonary Lysozyme 16905-F
Pulmonary Reactions
08054-F
Pulmonary Tumors 01030-F
Pulse Sampling Techniques
00119-M
Purfication, Air 08162-E
Purification, Waste Gases
13662-E
Pyranameters 03719-D
Pyrorvediones 06980-M
Pyrheliometers 03719-D
Pyrolysis 08354-D 0S404-D
08294-D
Q
Quantal Response 09414-F
09416-F
Quenchophosphorimetric Analysis
00386-D
Quinones 02096-D
R
Rabbits 00338-F 00339-F
06745-F 06746-F 16515-F
Radiant Energy 15438-M
Radiation 01203-C 04991-C
11516-C 12626-C 12627-C
11796-M 12046-M 1S746-M
16038-M 17195-M 18025-M
Radiation Chart, Mbeller
01103-C
Radiation Chemistry 14634-L
Radiation Fog 01145-C
Radiation, Global 10937-C
Radiation Index 11902-C
Radiations, Ionizing 05683-C
Radiations, Infrared 00840-C
Radiatims, Lifetime 150S4-M
Radiations, Light 08868-C
01188-D 01446-D 02199-D
00950-G 03961-G 05774-G
16950-G 1SQ00-M
Radiation Measuring Systems
01027-C 01690-D
12666-D
Radiations Nuclear
15212-J
Radiations, Ultraviolet
10041-M 17370-M
Radiations, Sky 00362-C
00444-C 00455-C
11597-C 11599-C
Subject Index
1513
-------
Radiations, Solar 08485-J
Radiative Transfer
01406-C 01407-C
01408-C 02285-C
09466-C 11280-C
Radiations, Ultraviolet
01027-C 01481-C
01690-D 12666-D
15210-D 17072-F
00353-M 02853-M
03575-M 06720-M
07500-M 10041-M
15253-M 15272-M
Radicals 16236-M
17173-M
Radioactive Properties
14992-D
Radioactive Tracer Studies
01462-D 03103-D
06319-D 07654-D
11279-M
Radioactivity 03649-C
03857-C
Radioactivity, Airborne
05085-C 08744-C
09268-J 08620-M
Radio-Activity Artificial
06916-C
Radiolysis 00629-C
07478-J 01833-M
Radiosonde 04151-D
Radon 03650-C 03842-C
Radon - 222 03857-C
03725-J
Ragweed Pollen 04355-C
Railroad Workers 06640-F
Rat Liver Enzymes 04698-F
Rat, Lungs 15215-F
Rat Tissues 00994-F
Rats 01040-F 01737-F
01993-F 02163-F
02483-F 02811-F
09368-F 10790-F
11308-F 15211-F
Reaction Kinetics 00345-C
00362-C 00432-C 00773-C
01264-C 01825-C 02344-C
02352-C 02869-C 04527-C
07716-C 10528-D 10902-D
17380-D 13573-G 00034-M
000S3-M 00161-M 00354-M
00939-M 02496-M 02504-M
02838-M 03114-M 03349-M
04410-M 04633-M 05302-M
05423-M 06189-M 06236-M
06698-M 06719-M 07458-M
07499-M 07681-M 07791-M
07883-M 09576-M 09749-M
09755-H 10043-M 10045-M
10519-M 10907-M 10913-M
11249-M 11279-M 11406-M
11533-M 11742-M 11770-M
11888-M 12041-M 13002-M
13327-M 13489-M 13503-M
13528-M 13530-M 13559-M
13564-M 13640-M 13685-M
13843-M 13889-M 13895-M
13898-M 13900-M 13922-M
13968-M 14056-M 14092-M
14224-M 14232-M 14380-M
14384-M 14418-M 14570-M
14675-M 14688-M 14815-M
14917-M 15071-M 15140-M
15197-M 15227-M 15253-M
1S259-M 15272-M 15281-M
15470-M 15491-M 15495-M
15502-M 15808-M 15986-M
16296-M 16569-M 17168-M
17211-M
Reaction Mechanism 00432-C
00602-C 00789-C 00921-C
01106-C 01146-C 01406-C
01407-C 01408-C 01675-C
02476-C 05228-C 05683-C
06604-C 06632-C 07257-C
07456-C 11221-C 12165-C
06301-D 07654-D 11476-D
12240-D 16781-D 00132-F
00058-M 00161-M 00231-M
00354-M 00355-M 00356-M
00357-M 00565-M 00608-M
00663-M 00916-M 00925-M
00939-M 01833-M 02489-M
02498-M 02528-M 02534-M
02535-M 02837-M 02904-M
03009-M 03179-M 03184-M
03488-M 03522-M 03559-M
1514
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Reaction Mechanism (cont'd)
03S60-M 03561-M 04228-M
04404-M 04429-M 04437-M
04465-M 04528-M 04556-M
04583-M 04668-M 05099-M
05423-M 05824-M 06068-M
06236-M 06325-M 07458-M
07499-M 07620-M 07717-M
07791-M 07883-M 08353-M
08623-M 08827-M 08829-M
08877-M 09030-M 09079-M
09080-M 09172-M 09267-M
09437-M 10507-M 10519-M
10913-M 10917-M 11132-M
11243-M 11245-M 11248-M
11279-M 11533-M 12041-M
13002-M 13374-M 13375-M
13407-M 13417-M 13503-M
13530-M 13540-M 13564-M
13671-M 13688-M 13692-M
13719-M 13843-M 13895-M
13916-M 13931-M 13939-M
13943-M 14100-M 14219-M
14285-M 14317-M 14620-M
14675-M 14747-M 14815-M
14909-M 14917-M 15019-M
15024-M 15028-M 15046-M
1S054-M 15055-M 15118-M
15138-M 15140-M 15380-M
1S491-M 15667-M 15756-M
15785-M 15790-M 15808-M
16207-M
Reaction Rate Data 06473-M
Reaction Rates 07517-M
Reactive Liquid Crystals
044S8-D
Reactor Loop Cover Gas 11755-D
Reccmrwndations 07550-K
Recording Methods 02673-D
03100-D 03888-D 08284-D
08674-D 11604-D
Recovery System 13537-E
Reduction 01349-D 06319-D
17047-D 00569-E 03204-E
04618-E 14034-E 00655-G
05423-M 13223-M 13530-M
14603-M
Red Blood Cells 04317-F
Reflective Clouds 08758-C
Regulations 08075-E
01853-K 03353-K
03359-K
07483-K
08463-K
09137-K
03850-K
07766-K
08554-K
11421-K
Remote Sens in yr Device 17048-D
Reproduction 02332-F
Research Conference 1961
00798-B
Research Conmittee 16799-K
Research Management Programs
02376-K
Research Programs 01145-C
10682-C 04882-D 11604-D
14992-D 15234-D 17283-D
03850-K 06754-K
Research Methodologies
02285-C 07701-C
05836-D
03343-M
11205-M
14992-D
08645-M
Residential Areas 15605-K
Resistance 03853-F
11306-F
Respiration 02483-F
17038-G 10978-G
01697-G 03092-G
Respiratory Activity
06840-F
Respiratory Diseases
10682-C
00645-F
02357-F
08234-F
08997-F
00521-F
01019-F
07162-F
08238-F
03369-K
Respiratory Diseases,
Acute 09440-F
Respiratory Diseases,
Chronic 04964-F
16520-F
Respiratory Disorders,
Qironic 00046-F
Subject Index
1515
-------
Respiratory Function 00312-F
00637-F 01855-F 03083-F
03890-F 076S7-F
Respiratory Health 04588-F
Respiratory Impairment (Literature
Review) 05391-F
Respiratory Infection 00738-F
00933-F 01609-F 01785-F
03853-F
Respiratory Organs 07821-F
Respiratory Pathways 09239-F
Respiratory Symptoms 00742-F
Respiratory System 02122-F
17027-F
Respiratoiy Tissue 03269-F
10685-F
Respiratory Tract 00508-F
099S8-F
Respiratory Tract Infection
04205-F
Review, Application of Analysis
03674-A
Rhodamine B 02188-D
Rosaniline Method 07391-D
Rubber Cracking Methods
04044-D
Rule 66 08376-B 08553-B
05471-E 07187-E 07483-K
08554-K 08556-K 11074-K
Rural and Urban Areas 11453-F
Runway Visual Range System
(PVR) 07913-D
s
Salinity 16974-G
Salt Bridges 07402-D
Salts 13823-M 13407-M
Saltzman Factor
Determination
15521-D
Saltzman Method G5606-D
07391-D 07938-D
11738-D 17380-D
1S100-E 16117-M
Saltzman Reagent 16117-M
Sanple Averaging Times
00698-J
Sanpling Equipment
02302-D 0274S-D
02174-K
Sanpling Methods 00224-D
00297-D 00385-D
01033-D 01208-D
01304-D 01393-D
01685-D 01691-D
01839-D 021S8-D
02377-D 02745-D
03010-D 03520-D
03537-D 04018-D
04044-D 04667-D
04767-D 04973-D
05070-D 05257-D
0S299-D 06050-D
06385-D 06388-D
06613-D 07654-D
07814-D 08889-D
11573-D 11S74-D
12362-D 13087-D
13422-D 15301-D
16085-D 17128-D
Sanpling Networks
00644-J 03511-J
Samplers 00297-D 00329-D
00620-D 00864-D 03527-D
05070-D OS257-D 0S866-D
06613-D 06800-D
Sanitary Clearance Zones
08194-K
Satellite-borne Sensors
08049-D 12887-D
Satellite Measurements
12887-D 08049-D
01610-C
Scattering, Forward 00089-C
1516 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Scattering, Light 00362-C
00444-C 00455-C 07000-C
02961-D 03011-D 033S0-D
04623-D 04968-D 05797-D
06507-D 08284-D 10585-D
15476-D 00417-M 15000-M
Scattering, Multiple 01405-C
15000-M
Scattering Processes 11724-C
16683-C
Scattering, Theory 11599-C
Schenk Act 000S2-B
Scopoletin 11675-D
Scrubbers 14325-E
Sealed Cabins 11593-F
Sealed Environments 11801-F
Semimature-Tissue Needle
Blight (SNB) 02313-G
Sensory Irritation 05894-E
Sensory-Motor Responses 12158-F
Sensory Response 03890-F
Serotonin 01368-F
Sickle-Cells 00180-F
Silage 05893-B
Silkworm 07864-G
Skin 05924-F
Skin, Aging 01077-F
Shock Tube Studies
13931-M
Silanes 03179-M
Silica Gel Colum 021S7-D
04900-0 04915-D
Silver Chloride 04623-D
Silver Sulfide 16296-M
Simulation Models 00086-C
00177-C 03382-C
00925-M 03446-M
06418-M 01806-M
11864-M 16488-M
Single-Pulse Shock Tube
Studies 13503-M
Skin Cold Receptors
13248-M
Smog 05932-A 07845-A
03760-B 03761-B
04212-B
08376-B
00345-C
01326-C
01602-C
04988-C
06604-C
10436-C
14698-C
16S34-C
00224-D
03544-D
0S577-D
15634-D
05968-E
14196-E
00472-F
02533-F
04416-F
05584-F
06020-F
07591-F
16542-F
02537-G
03610-G
03697-G
04853-G
05485-G
07610-G
16360-G
00218-J
07519-K
00034-M
04992-M
07806-M
05312-B
00344-C
00618-C
01587-C
02938-C
05482-C
07198-C
12165-C
15347-C
17197-C
03296-D
04973-D
05794-D
03851-E
05082-E
14727-E
01327-F
04175-F
05364-F
05901-F
06163-F
09994-F
00235-G
03292-G
03695-G
03698-G
04998-G
07501-G
11748-G
16974-G
02179-J
09281-K
00069-M
05824-M
06367-F
13846-F
00315-G
03472-G
03696-G
03700-G
04999-G
07255-G
16244-G
01391-G
15740-J
10327-K
0187S-M
06698-M
Smog Abatement 00955-C
05149-E 01121-E 15640-E
Smog, Acid 09087-M
Smog Alert 16554-C
Smog Chanters 1S3S4-D
15634-D 01875-M 06102-M
Subject Index
1517
-------
Smog Control 15249-E
11810-K
Smog Episode 11013-C
Smog Episodes, Acute 02277-F
Smog Formation 15941-E
05323-E
Smog Forming Pollutants
1013S-B
Smog Gases 04987-C
Smog Index 02370-D
Smog PurifieT 07205-E
Smoke 0S034-C 07310-C
07482-D 03454-J 05500-J
08267-J 11615-J 02203-M
Smoke Density 13628-B
Smoke Pollution 03424-B
Smoke Photometer 11197-D
Smokeless Charging 04634-E
Smokemeters 11197-D
07180-D
Social Aspects 00336-K
01567-K 04752-K
06945-N
Sodium Carbonate 13916-M
Sodium Chloride 13684-M
Sodium Hydroxide 10907-M
Sodium HydTosulfite 13633-M
Soil Surface 10228-C
06720-M
Soils 11157-G 17093-G
Solar Light 02472-M
Solar Radiation 09306-C
11714-C
Solar Radiation Intensities
12666-D 03719-D
01690-D 01027-C
Solids Interaction
13412-M
Solvent Control Legislation
08556-K
Solvent Emission Control
03762-E 09781-E
11033-E
Solvent Incineration
0805S-B
Solvent Vapors 09567-C
Solvents 002S0-B 08033-B
08376-B 08377-B 15352-B
08136-D 15210-D 15354-D
10660-E 14584-1 07483-K
08554-K 085S6-K 11074-K
07483-K 11090-K 00069-M
0187S-M 08558-M 09082-M
Sonic Techniques 04968-D
Soot 02203-M 05325-M
14418-M
Sorbents 13392-M
Source Reduction 00110-J
Source Testing 03010-D
Sources 00233-A 00984-A
01000-A 02066-B 0S571-K
06188-K
Sources, Stationary 03104-J
Space Application 05048-E
Space Cabin 08033-B 02440-E
09238-E 10613-E
Space Flights 11241-F
Spacecraft Materials 03828-D
Spark Ignition 16627-B
Spark Ignition Engine
12588-B
Spectral Transmission
1631S-M
Spectrometer, Air-blast Mobility
10663-D
1518
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Spectrometer, Correlation
00602-C 08834-C 09623-D
Spectrometer, Electron
Spin Resonance 00822-D
Spectrometry 05794-D
05796-D 10902-D 01102-M
02489-M 03020-M 09267-M
11406-M 11188-M 14570-M
15491-M See also: Infrared
Spectra
Spectrometry, Kinetic
1S046-H
Spectrometry, Mass
03022-C 00160-D
01114-D 01304-D
02406-D 02883-D
05257-D 0S580-D
10034-D 12004-D
15752-D 17024-D
00354-M 02464-M
03177-M 04437-M
05253-M 07517-M
15380-M
Spectrometry, Molecular-
Modulation 06954-M
Spectrometry, Ultraviolet
07981-D 08643-D
09111-D
11498-D
02504-M
09300-M
09031-M
10772-D
16306-D
03682-M
15225-M
Spectrpphotofluorometry
01839-D 01922-D
11675-D
Spectrophoto Phosphorimetty
00868-D
Spectrophotometry
00214-D 00274-D
00381-D 00956-D
01091-D 02090-D
02093-D 02961-D
03679-D 03727-D
04150-D 04223-D
04643-D 04857-D
04880-D 04881-D
05081-D 05191-D
06919-D 08436-D
09111-D 09969-D
10242-D 12240-D
14201-D 18013-D
Spectroscopic Determination
09315-D
Spectroscopy 10408-M
Spectroscopy, Gamma TSay
04475-M
Spectroscopy, Mass 12259-M
Spectroscopy, Molecular-
Emission 08835-D
Spinach 00232-G 04576-G
05096-H 05666-G
Spores 09317-G 16906-G
15332-G
Spot Tests 01447-D 02090-D
02093-D 06955-D 08487-D
Squirrel Monkeys 11306-F
Stack Gases 00023-B
01362-B
Stack Plumes 11624-C
Stacks 02168-D
Stainless Steel Tubes 13034-M
Standards 00250-B 01577-D
00737-G 11337-G 00206-K
00359-K 00897-K 07766-K
08463-K 11734-K See also:
Air Quality Standards
Standards and Criteria 05952-D
11903-D 00897-K 01853-K
06349-K 06734-K 07766-K
09137-K 11734-K See also:
Standards Air Quality Standards
Standards and Criteria Europe,
U.S.S.R., U.S.A, 07490-L
07604-L
Starch-Iodine Reagent 01432-D
Stationary Measurement 02066-B
Stationary Sources Q0107-E
Statistical Analyses 00177-C
04202-C 04292-C 0684I-C
00435-D 00739-J 05551-J
Subject Index
1519
-------
Statistics 00164-D
Steam-Electric Plant
01842-B
Steajn Generators 05011-B
Stilbenes 02090-D
Stippling 00184-G
0S902-G 05903-G
11581-G
Stoichiometry 16117-M
Stomatal Aperture 16273-G
Stomatal Movements 07453-G
Stomatal Opening 15482-G
Stratosphere 04163-C
04677-C 06982-C
09465-C 12644-C
Sugar Maple
See also:
16362-G
Trees
Sugars 10788-A
Sulfates
14411-C
02852-D
17347-D
15833-M
09429-C 09433-C
0Q85S-D 01033-D
07127-D 08894-D
14584-1 11965-M
Sulfite 16379-M
07456-C
C 01784-D
D 08835-D
D 13029-E
M 05302-M
M 09087-M
M 13898-M
Sulfur Compounds
09430-C 09433*
07391-D 08354-
11498-D 17047-
01324-F 03807-
07866-M 08254-
13253-M 13408-
13943-M
Sulfur Dioxide 00748-C
02359-C 04987-C
04988-C 06080-C
08197-C 08805-C
09426-C 09427-C
09433-C 11624-C
15347-C 00381-D
00387-D 00866-D
00942-D 01071-D
01091-D 01432-D
01691-D 02063-D
02852-D 02921-D
03103-D
03772-D
04499-D
05191-D
05786-D
06832-D
07106-D
07364-D
07482-D
08655-D
09515-D
12140-D
15301-D
04200-E
00084-F
09241-F
17055-F
12944-G
17227-G
01095-J
03701-J
05500-J
09404-J
17068-J
01318-M
04294-M
05302-M
05378-M
07883-M
09755-M
10066-M
11742-M
12041-M
13002-M
13354-M
13489-M
13692-M
13843-M
13898-M
13939-M
14224-M
15259-M
16209-M
16419-M
16461-M
16609-M
16913-M
17195-M
-G
-G
-J
-J
-J
03295-D
03979-D
0S078-D
05548-D
06369-D
06911-D
07127-D
07391-D
07654-D
08894-D
11043-D
13463-D
16398-D
14212-E
07240-F
17027-F
01421-
13174-
00913-
02241-
03863-
08161-J
11459-J
16504-K
03160-M
04626-M
05351-M
07108-M
08845-M
10043-M
11245-M
11279-M
12142-M
13009-M
13376-M
13533-M
13781-M
13889-M
13936-M
13943-M
14620-M
15755-M
16038-M
16422-M
16574-M
16693-M
17010-M
17330-M
14188-M
15122-M
16204-M
16307-M
16429-M
16605-M
16788-M
17173-M
Sulfur Oxides
04831-M
03777-C
Sulfur Vapor 14104-M
Sulfuric Acid 04988-C
08197-C 09427-C
00381-D 03727-D
07106-D 03863-J
1520
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Sulfuric Acid (cont'd)
03160-M 10907-M
14380-M
Sulfuric Acid Method
13707-E
Sulfhydryl Compounds
16287-G 07445-M
Sulphate Ratio 09427-C
Sunflower 16974-G
Survey Methods 11237-0
12148-D 00336-K
Survey Technique 00336-D
Synergism 02539-F
06055-F 16830-F
00953-G 01421-G
04544-G 12944-G
17227-G
Synergistic Effects
06552-F 11337-F
Synthesis Gases 14471-M
Synthetic Materials
10639-B
T
Tail Gases 06844-B
Taxation 0928S-K
Telephotometer Measurements
02168-D
Temperature Effects 00034-M
0S423-M 06720-M 09082-M
13640-M 13894-M 13936-M
14624-M
Temperature, Low 11557-D
Tenperature Inversions 0167S-C
Tenperature Variations
08625-C
Tennessee Valley Authority
(TVA) 00023-B 14159-B
Terpenes 06163-F
Test Environments 03401-E
Test Firings 04609-B
Testing Facilities 00059-D
06599-D
Tetraethyl Lead (TEL) 07270-F
Tetrafluorohydrazine 08077-D
Tetroon Flights, Analysis
00362-C
Thermal Conductivity 16530-M
Thermal Decomposition 16299-E
Thermal Power Plants 04200-E
Thermionic Detectors 07749-D
Thermochemistry 1415S-M
14188-M
Thermodynamics 00031-M
00128-M 00700-M 00923-M
02508-M 03066-M 03149-M
03446-M 04578-M 04S80-M
04653-M 0S248-M 05302-M
13009-M 13267-M 13312-M
13341-M 13452-M 13781-M
13894-M 13822-M 14104-M
14232-M 14624-M 15028-M
15438-M
Thermolytic Dissociation
05404-D 00923-M
0S208-M 13341-M
Theses 02335-B 00102-C
0024S-C 01103-C
15545-C 04355-C
00348-D 10528-D
16398-D 00244-G
10522-M 13900-M
14331-M
Thiophene H498-D
Thomas SO, Autometer
05078-D
Ihoron (RN220) 03857-C
Threshold Limit Values
01270-J
Subject Index
1521
-------
Thresholds 06717-F
16906-G
Tip Burn 03531-G
14826-G 15492-G
Tissue Culture Study
03261-F
Tissues 06367-F 16S15-F
03496-G
Tobacco 11305-D 00121-G
00184-G 00696-G
01421-G 02744-G
03092-G 03961-G
10426-G 11581-G
14963-G 16311-G
16704-G 17097-G
Tobacco Leaves 009S3-G
14966-G 16312-G
Tobacco, Weather Fleck
04582-G 05279-G
Tolerance 00501-F
04048-F
Tolerance Criteria 06341-F
Toluene 07S18-C
Tomatoes 01904-G
Tortuosity Factors 10297-D
Total Combustion Analyzer
(TEA) 0396S-D
Totally Reflecting Spheres
08717-M
Tower System 13899-E
Toxic Effects 01576-B
10623-F
Toxic Exhaust Emissions
04659-E
Toxic Substances 02541-E
02213-F
Toxic Tolerances 10790-F
Toxicity 00892-B 00787-C
05836-D 07379-D 16691-E
00189-F 00429-F 00649-F
02116-F 03619-F 03820-F
04221-F 04498-F 04852-F
05364-F 05814-F 06618-F
08026-F 08965-F 10778-F
1153S-F 11916-F 13860-F
16907-F 04544-G 16311-G
16362-G 16617-G 07505-M
Toxicity, Acute 01335-F
08334-F
Toxicity, Chronic 16707-F
Toxicity, Comparative
01346-F
Toxicity, Fog 03593-F
Toxicologic Evaluation
16739-F
Toxicological Research,
Aerospace 04738-F
Toxicology 03556-A
00872-D 03205-D
02539-F 07821-F
09232-F 09414-F
09416-F 10613-F
11241-F 16613-F
Toxicology, Behavioral
12646-F
Toxicology, Closed Space
Environment 00081-B
Toxicology Studies
09937-F
Toxicology, Space Cabin
Atmospheres 03821-F
Trace Analysis 00328-D
00489-D 01208-D
01979-D 02441-D
02492-D 02852-D
03218-D 03402-D
03544-D 04458-D
06107-D 06319-D
08077-D 08644-D
08720-D 10528-D
10663-D 11043-D
11819-D 11922-D
13493-D 14076-D
14201-D 14500-D
14502-D 1S301-D
1S045-M
1522
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
Trace Contaminants,
Tolerance 11S93-F
Tracer Studies 016S0-C
05611-M 10119-M
13943-M
Traffic 01306-B 09393-B
Traffic Surveys X2011-B
Transmissometers 09111-D
Transpiration 03163-G
05777-G 16273-G
Transportation 07S93-E
Trapping Methods 01839-D
Trees 01014-G 01398-G
05560-G 06447-G 07255-G
07786-G 09114-G 10690-G
11501-G 12043-G 13174-G
16360-G 16362-G
Trichloroethylene 08136-D
15354-D
Tritium 01462-D
Tun&up Diagnosis 00155-D
Troposphere 15831-C
Tuberculosis 01319-P
Tungsten 16161-M
Utrbid Atmosphere 16391-M
Turbidimetry 0S282-C
02363-D 08136-D 11622-D
TXirbidity 00362-C 00444-C
0045S-C 05282-C 16405-C
Turbidity Coefficient
02363-D
Turbulence 02268-C 05711-C
00417-M
TUnnel 0325S-B 1S769-B
TVro Stage Combination 058S7-E
TVrilight Sky Color 12077-C
u
Ultraviolet Irradiation
07085-M
Ultraviolet Ligjit 05576-C
05924-F 14815-M
Unikehr Curves 18054-C
Unimolecular Reactions
0S051-M
Uranine Tracer Technique
04040-D
Urban Air Pollution
03202-B
Urban Areas 00095-C
00191-C 00302-C
00757-C 01828-C
02305-C 03373-C
03381-C 03386-C
07310-C 14019-C
15390-C 04S96-D
12666-D 00136-J
05277-J 06192-J
12147-J 17106-J
047S2-K 05571-K
16799-K
Urban Environment 01396-C
11523-C 01369-F
Urban Heat Island Effect
11S21-C 11713-C
15390-C
Urey-Bradley Force
05286-M
Vapor Phase Reactions
15852-E
Vapors 08744-C 02162-D
02439-D 04405-D
05191-D 06471-D
14408-D 15210-D
00608-M 01026-H
03484-M 03551-M
13S45-M 1S486-M
Vegetables 00315-G 03609-G
03628-G 05777-G
Subject Index
1523
-------
Vehicular Emissions 01848-B
02362-B 06300-B 14127-B
01167-E 15610-J
Ventilatory Functions
1S680-F 17055-F
Vertical Distribution 16764-C
Vertical Exchange Coefficients
00191-C
Vibrational Excitation 15114-M
Ventilation Repairements
01228-B
Vinyl-Butyl Ether 11903-D
Vinyl Chloride 02135-D
07146-D
Viruses 16704-G
Visibility 01396-C
02360-C 03188-C
05034-C
02168-D
03103-D
04979-D
03883-F
12170-1
08267-J
01170-D
02961-D
04973-D
07106-D
12170-F
06551-J
07605-L
13561-M 13823-M
Water Vapor 02524-C
031S0-M
Welders 01977-F
16916-F
Welding, Electro 11916-F
West-Gaeke Method
06369-D 07654-D
08655-D
White Bean 15286-G
White Pines 01014-G
01398-G 02313-G
03531-G 05S60-G
13174-G 163S4-G
17227-G See also:
Trees
Wind Parameter 09549-C
Wisconsin Process 13537-E
Vision 02826-F
Visual Color Conparator
Method 01086-D
Visual Quality of Air 07506-D
Volatility 08296-D
Volcanic Dust 06916-C
Voltametry, Anodic Stripping
10528-D
w
Waste, Gases 00959-E
13550-E 14448-E
14481-E 14630-E
14631-E 151S2-E
16365-E
Water Solutions 06080-C
04626-M 135S9-M
1524 PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
GEOGRAPHIC LOCATION INDEX
UNITED STATES (States, Cities)
Alabama 04325-J
Birmingham 00005-J
00534-J 03458-J
07448-J 08327-J
Alaska
Bartow 03159-D
08311-D
Fairbanks 00834-C
Northern 03657-C
America
North and Central
09467-J
Arizona
Tucson
03407-J
California 06237-A 00969-B
01076-B 01572-B 01868-B
07625-B 09781-B 10135-B
11326-B 120U-B
00154-E 03609-G
03613-G 05342-G
04058-K 06945-K
11810-K 11811-K
01955-L 03007-L
08679-L 15336-L
Central Valley 02360-C
Fresno 03433-J
Los Angeles Area Q3252-F
Las Angeles Basin
00362-C 05575-C
16846-C 05580-D
09598-J 07519-K
Los Angeles Couity
15043-B 00851-C
04962-E 05471-E
03697-G 03698-G
04616-J 05110-J
07483-K 07S19-K
08556-K 11074-K
00955
03612
03441
09281'
11813-K
03583-L
16518-L
11274-C
Q6099-F
1Q327-K
051S7-B
00224-0
15941-E
03462-J
05571-K
08554-K
Los Angeles 04381-A 05932-A
07845-A 0032S-B 02610-B
05097-B 05S7S-C 05576-C
07187-B
02938-C
04988-C
18010-C
04973-D
07106-D
01645-E
00742-F
01Q19-F
01596-F
04416-F
09416-F
00315-G
03695-G
083Q1-J
04992-M
Riverside
07625-B
03068-C
05801-C
01690-D
05572-D
12362-D
05894-E
00794-F
01327-F
01855-F
05176-F
1Q456-F
03615-G
05112-J
14180-J
01481-C
03102-C
17142-C
03296-D
05577-D
16516-D
06534-E
00989-F
01520-F
03270-F
05901-F
16794-F
03617-G
05573-J
U813-K
11013-C
10436-C
Lower Sacramento Valley G5196-J
San Diego County 00070-C
San Francisco Bay Area
1098Q-C Q3104-J 08301-J
08722-J 01853-K 11408-K
Southern California 08553-B
16360-G 09U4-G
Colorado
Boulder
Denver
01010-J 01853-K
02201-C
05200-J
F
Florida 06404-G 01853-K
Cape Kennedy 07072-K
Tallahassee 02465-C
Georgia 03466-J
N
Hawaii 03657-C 09306-C
11714-C
-------
I
New Mexico 17094-D
Illinois 18024-K
Argonne 11775-J
Chicago 06369-D
East St. Louis 00644-J
11224-J 01604-K
Indiana
Indianapolis 02822-J
K
Kentucky, Northern
02376-K
L
Louisiana
New Orleans 00638-F
03463-F 06276-F
M
Maryland
Baltimore 0282S-J
03004-J
Massachusetts 03657-C
Boston 02241-J 02832-J
12360-J
Boston-Cambridge Conplex
00102-C
Michigan, Detroit River Area
03453-J
Midland 00730-J
Minnesota 09903-A 05893-B
03409-J 09765-K
Minneapolis, St. Paul
013S7-D
Missouri
St. Louis 03449-D
00644-J 11224-J
01604-K 07766-K
East St. Louis 00858-B
Montana 09317-G
N
New Jersey 09549-C
01666-G 01800-G
03454-J
New York State 00673-B
01041-J 03454-J
05010-J 00897-K
06349-K 02418-L
Chemung County 04834-J
Mid-Hudson Region 05008-J
Nassau County 01202-J
01829-J
Niagara County 04864-J
Queens County 01202-J
New York City 04381-A
11803-B 09440-F 07712-J
09280-J 11028-J 00169-K
03359-K 11421-K
Buffalo 06011-F
North America 04292-C
North Carolina 03428-B
Chapel Hill 04348-J
Guilford County 05481-J
Pikes Peak 10682-C
Winston-Salem 03406-J
Northeastern United States
05420-G
0
Ohio
St. Bernard 03426-J
Cincinnati 00929-C
00149-J 02179-J 03714-J
05336-J
Cleveland 10514-F 07877-K
Marietta 09590-J
Southwestern 02376-K
Oregon 018S3-K
Portland 00528-J
P
Pennslyvania 06734-K 05293-L
Donora 00392-F 02742-F
03421-F 03427-F
Duquesne 02823-J
Philadelphia 00679-B
07550-K
Pittsburg 08724-D
R
Rhode Island
Providence 0 3468-J
1526
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
s
South Carolina
Spartanburg 03512-J
03353-K 1S60S-K
Eastern 00783-C
10018-C
T
Tennessee 09743-J
Chattanooga 12148-D
02840-J
Nashville 00748-C
04548-C 02781-F 00847-J
G1069-K
Texas, El Paso 03S0S-J
16266-J
Houston Area 14212-E
u
Utah 02312-B 07455-G
Salt Lake Valley 1554S-C
United States 10504-C
14019-C 17283-D
12170-1 00739-J
01770-J 01782-J
01830-J 01912-J
02340-J 05111-J
Virginia
Lynchburg 03513-J
Richmond 024 31-J
Washington 0750G-D
08067-J
Mount Olytipus 12632-C
Seattle 04991-C
Spokane 07118-J
Clark County 01949-J
Washington, D, C. 11834-D
00050-J 03434-J
03725-J 05095-J
06290-J
West Virginia 03531-G
Parkersburg 09590-J
Wisconsin Area 06503-C
FOREIGN (Countries, Cities)
A
Arctic
Dixon Island 04152-C
04165-C
Antarctica
Anundsen-Scott
Station 09268-J
Asia
Central 16458-C
Argentina
11087-E
Australia 08633-B
12649-J 16736-K
16799-K
New South Wales 05S00-J
B
Bulgaria
Sofia 14471-M
c
Canada 05499-J
British Columbia 07390-J
Chilliwack 00802-J
05652-J
Chtario, Hamilton
00696-G 00666-J
00688-J
Qatario, Sudbury
02313-G
Quebeck, Montreal
11521-C
Czechoslovakia 15606-K
Geographic Location Index
1527
-------
E
England 00677-E 06297-F
09577-J 15212-J
London 01306-B 11516-C
11522-C 00570-F
04651-J
South Wales 1157S-F
Europe 00886-D 03115-F
14475-L
F
France
Paris 00453-C 02539-F
06788-J 16684-J
G
Germany 09393-B 11902-C
15347-C 16390-C
01528-E 01853-K
07597-K 11421-K
16504-K
East 00411-L
North Rhine Westphalia
06967-E 01567-K
06124-K 067S4-K
07597-K
Ruhr Area 11421-K
Berlin 11627-J 14776-J
15557-J
Dresden 03649-C
Ilanburg 10937-C
Ingolstadt 11421-K
Mainz 11597-C
Munich 08284-D
Greenland 06987-D
N
Hungary
Budapest 11505-C
Italy 03202-B 09430-C
09234-D 16691-E
Cagliari 08297-J 09391-J
Genoa 16927-J
J
Japan 08591-B 15625-B
16539-B 17327-B 00446-C
17185-C 06144-E 07549-E
15948-E 02420-F 02437-F
06635-F 14553-F 13366-K
17188-K
Hokkaido 17106-J
Kokkaido, Muroran 13758-C
Kanagawa Prefecture
06749-J
Kawasaki 06749-J
Northern Kyushu 06760-J
07371-J
Osaka 07591-F 08320-F
06141-J 07166-J
09445-J 15610-J
Otaru 17106-J
Sapporo 17248-E 05428-J
Tokyo 06785-C 07198-C
16554-C 17185-C
04562-J 05562-J
06192-J 07198-J
07245-J 15161-J
15173-J 15610-J
Tokyo Yokohama 00983-F
Yokkaichi City 07529-J
Yokohama 07391-D
06749-J 07239-J
N
Netherlands 11421-K
1560S-K 11414-L
12030-L
Rotterdam 01257-J
14534-J
New Zealand 03953-C
Auckland 11619-B 01864-J
03001-J 16799-K
Norway 13952-A
' P
India 11529-C
Panama 01427-J
Iran
Teheran 16022-D 09209-J Poland 09137-K
1528
PHOTOCHEMICAL OXIDANTS AND AIR POLLUTION
-------
R
Rumania 08276-F 17096-J
15605-K
s
South Africa 01024-F
IXirban 07120-J
Johannesburg 07120-J
Pretoria 0241S-D
07119-D 07120-J
Sweden 06280-B
Stockholm 09250-J
Switzerland
Lausanne 09008-J
Ztirich 09216-B 16405-C
07834-F 09018-J
u
U.S.S.R. 10260-A 08165-B
08S24-B 07310-C 10228-C
10724-C 02439-D 0320S-D
041SO-D 041S1-D 04153-D
04160-D 04162-D 07830-D
04634-E 081S3-F 081S4-F
08164-F 04173-J 08161-J
09438-J 16274-J 018S3-K
Chelyabinsk 068 72-J
Moscow 08197-C
Onsk 04168-C
Geographic Location Index
* v. s, aovtmntmrr printing orsica: ten o •
1529
rn-ns
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