SCIENTIFIC ABSTRACT KISELEV, V.F. - KISELEV, V.I.

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• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000722810012-8
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: September 18, 2001
• Sequence Number: 12
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

Study of.th- 5/062/60/000/009/002/021
e Vapor Adsorption.on Adsorbents
With Heterogeneous Surface. Communication 24 B023/BO64
Experimentslith Organioally.Substituted
Silica Get
oil ica, gel thue obta ined, is ca 11. ed ~C-1 (S-1). A portion of sili ca gIel S-i
was treated-with nitric acid vapors.at 2000C for 6 h. Thus, the,organic,~,
part of the.surface was',oxidized, the, CH radicals-substituted by OH
3
groups, and the me,thylated silica.gel with hydrophobic properties became
hydrophilia. This specimen was-,called C-2,(,9-2). The composition of:the
surface of silica gal S-1 and'S-2 was:determined by an organic analysis.
The analysis was carried out-at the same time as the determination.of the
weightlosses-in calcination at, 12500. Table I shows the analytical
results. It ma'y~be seen that:the demethylation -of the surface leads to an-
increase of its degiee,of hydration. The specific surface of the.specimen
changed by 3%. Nitrogen, oyolohexane, benzene, and water were used as
adsorbates. Figs. 1-4,,show the.sorption branahes of the adsorption iso-_
thermal lines of the vapors of these substances. In all cases, the iso-,
thermal lines for S-1.arelower than those for S-2. Table 2 gives a
comparison among the specific.sorption volumes. The authors explain their
results with the help of the respective published data, Summing up: 1) The
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67896
5/020/60/130/06/026/059
AUTHORSs Useley, V. 10., Kjasil nikov, K. G.tBO04/BO07
Wro a Mov
IbI
TITLEi The Influence-of the:Aggregation of Quartz Particles During
Grinding-Upon-Its Adsorptive Properties
PERIODICALS ~
Doklady Akademii nauk MRI 1960, Vol 1309 Nr 6, pp 1273 1276
-
.
ABSTRACT& air-
In ref erence
. 1. it was said that the specific surface of
.
-
dried quartz decreases with an increase of the duration of
grinding. This was explained by the aggregation of the quartz
particles. The authors aimed at investigating:this phenomenon
more.thoroughly,and to find out whether itseffects on the
adsorption of::nitrogen,-and water~differ. They maintain that
'
this phenomenon.is.:the
cause of the considerable discrepahoy
in published data for adsorption values and adaorption'energy
of quartz. Two samples ofhighly dispersive quartz were.in-
Yestigated. Sample Kv-4 was obtained by grinding,transparent'
crystalline quartz with an excess of water, sample Kv-4A by.
further grinding KY-4 inair.
On both samples, the adsorption
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of nitrogen and steam was measured (Table'l). As shown by

678967
The1nfluenevoif the Agg;,e .gaiion of Quartz Partioles~S/02OJ60/13_0/W02~ 059
uring G d P; t B'00
D
rinding Mbanjts 4 -sorpti e - roper. ies B004/ 7
f igure 1,1 the adsorption isothermalline.of nitrogen-on Kv-4A
- , .; . th - ~ t . - I -, - -i .
is lower- ,an- in--' he---case of. Kv-4 because of -partiolel.-aggrega:.n.
t ion whereas &~eorpt ion' is o thermal line of stbam is
higher* Also.figure 2 shows, that the different kind.o grin.4-g-
the s"e:quartz affects.the adsorption of nitrogen.- and:st m
ea
differently,,This'phenomenon has not yet been explain ,edi. It is~~
presumed that. relatively dense aggregates, are f orme4,,_,t14_ inner.
surfaces of which are inaccessible to the nitrogen",, whereas Us.,
adsorption Of ~ 14ter is' not impaired by these aggregations -
beca,4se:0 'f its'dispers ve..( epti ing) h phsnomtw
i P Z properties,~. Sue
ena.of a gr Iegition wer'e observed also in the cas e- of - other 9 Vb -
stances loorundum cilcite, silica gel) in dry grindin :The
go
auth th nk,
Ora a -Academician P. A * Rebinder for his interest,in
this-paper,- -and1G. Io Aleksandrova for assisting in . measure-
ments. There sire 2 figures, I table, and 21 references# -13' Of,
which are Soviet.
ASSOCIATION11 Mogkbvskiy_ gosudarstvennyy,universitet im. M. V. Lomonosova
(Moscow~StateTn .iversity imeni M. V. Lomonosov ). VsesOYuz -DY.y
~dar 2/3 nauchno-issledovatellskiy institut novykh stroitellnykh

2 4 6 59
3/076/61/035/006/012/013,
B120203
AUTHORS: Tagiyeva, M. M. and Kiselev, V. F.
TITLE: Investigations of the effect of gamma radiation on the,,
surface properties of,silica
PERIODICAL: Zhurnal fizicheskoy khimii, v. 35, no. 6, 1961, 1381-1382
e
TEXT: Highly dispCrg8 KG-3 (KV-3).quartz and aerosol were exposed to
gamma radiation. 0 was used as radiation source. The radiation dose
for both specimens was 12-10 6 r. Radiation lasted 24 hr. The experiment
was made at room temperature. The ampulla with the adsorbent, equipped
with a glass diaphragm, was evacuated at 2000C to a vacuum of 5-10- mm Hg-
To remove the products formed during irradiation, the ampulla was sealed
onto a receiving vessel filled with silica gel and immersed in liquid
nitrogen. For measuring the adsorption of the H 20 vapor and the 02, the
ampulla was sealed on to a vacuum apparatus. The glass diaphragm was
broken by the high vacuum. The content of structural water was determined
in the same manner by measuring the steam pressure. The water was released
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24659
S/076/61/035/006/012/013
Investigations of the effect of... B127/B203
by heating to 10000C. By the irradiation, the surface was dehydrated to a
large extent. At the radiation dose indicated, about 2 gmoles of crystal
water were separated per m surface of the aerosol, which corresponds to a
dehydration of this speoimen at 80000 during 24 hr. The reduction of the
OH- groups on the surface can be judged by the steam absorption specific
of the surface state. The adsorptive capacity of quartz and aerosol is
immediately reduced by irradiation. At the same dosage, the adsorptive
capacity of the more intensely hydrated quartz specimen is also reduced to
a higherextent. In the interaction of gamma photons with silanol groups,
the formation of free radicals is Dossible:
0.
or
The measurement of theirreversible adsorption of 02 on the aerosol surface
/m2
at room temperature yielded the value of 0.3 gmole This is by two
powers higher than in irradiation with ultraviolet light. Principally, the
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24659
S/076/61/035/006/012/013
Investigations of the effect of..i B127/B203
0 adsorption proceeds on the free radicals. Their concentration on the
2
surface is not high, only 5 % of the disrupted Si-O-H bonds are preserved
in the form of free radicals. The major part of the SiO 4 tetrahedrons
undergo a rotation which leads to an amalgamation of the bonds. The
SiO2 was also observed to turn gray. Irradiation was carried out at the
Nauchno-issledovatel'skiy institut rezinovoy promyshlennosti (Scientific
Research Institute of the Rubber Industry) in ProfessorA. S. KuzIminskiy's
laboratory. There are 1 figure, 1 table, and 7 references; 6 Soviet-bloc
and I non-Soviet-bloc. The reference to the English-language publication
reads as follows: Livingston R., Zeldes H., Taylor E. H., Faraday Soc.
Disc., 19, 166, 1955.
ASSOCIATION: Aloskovskiy gosudarstvennyy universitet im. M. V. Lomonosova
(Moscow Sta,te.University.imeni M. V. Lomonosov)
,SUBMITTED: June 14, 1960
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S10201611139100510211021
B103/B208
574,4,00
AUTHORSI Fedorov, G. G.-, Zariflyants, Yu~ A., and Kiselev, V. F.
TITLEs Chemical and physical adsorption of oxygen on the itirface of
freshly split graphite
PERIODICALt Akademiya nauk SSSR. Doklady, v. 139, no. 5, 1961, 1166-1460
TEXTs The authors studied the adsorption mentioned in the title, by Using
finely ground natural graphite which was pulverized in an argon atmosphere.
Studies of this kind are regarded as being important in the search for
new ways of surface modification, in order to obtain efficient adsorbent's
and polymer fillers. One of the applied samples was specially purified.
The pulverized samples had a specific surface of 275 and 400 m2/g. They
were put into the volume-ter under exclusion of'Va'ir. The specific suz-face
was determined after a cycle of absorption measurements with oxygen from
the low-temperature nitrogen adsorption by the &0 (BET) method. The
specific adsorption values of both samples weie-found to fit well single
isotherm. This indicates the good reproducibility of the surfa~!e proper.,
ties for the grinding method applied. Control experiments showed that
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S1020161113910051021.1021
Chemical and physical.- B103/B208
the fine iron powder which is always.present (some fractions of one per-
cent) in graphite thus ground Adsorbs not more than 0.5% of the adsorbed
amount of graphite. The interaction of oxygen with the fresh cleavage
plane of graphite at room temperature is a typical case of activated
chemical adsorption. Thephysical adsorption is extremely low at these
temperatures. Adsorption equilibrium is quickly attained in the initial
stage, which indicates the low activation energy of the process., With
further pressure increase the adsorption increases very slowly. The
graphite surface is thought to be inhomogeneous. It consists of sites
with different adsorption activity. The surface is saturated with
chemisorbed oxygen already at a pressure close to the atmospheric one.
Desorption measurements disclosed that all the oxygen adsorbed was irre-
yersibly bound to the surface. No further adsorption takes place on an
oxidized sample. The adsorption activity of samples kept at room temper-1.
ature in an argon atmosphere.for 1, 10, and 30 days did not change..
Specific adsorption was reduced by about 20% by heating an ampul with non-
oxidized graphite at 3000C for 50 hr. This may be due to partial aatura--
tion of the surface by gas molecules which escaped from the glass during
heating. Graphite roasted at 8000C for 24 hr in an ampul which had
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97167
S/020/61/1-9/0051021/021
Chemical and,physical... B103/B208
previously been degasBed, lost only 106 of its adsorption. Such a high
stability of free radicals on the surface makes graphite a suitable test
object of the elementary interactions of various molecules with the sur-
face radicals. 'Pulverization of graphite in dry air destroys the crystals
in all crystallographic directions. The large surface thus formeddhas a
high content of ruptured 1T or t5 tonds which form centers of.chemical 0
2
adsorption on the surface.. On the other hand, the activity of n-elec-trons
may be increased by lattice deformations in the basal plane which alec
contributes to an increase in adsorption activity. By measuring the
adsorption isotherms at -19600, the authors proved that the chemisorption
of oxygen at these temperatures.is insignificant. The isotherms have
hysteresis loo s both on the initial and on the oxidized graphite sampli.
p
The authors believe that.1his loop which extends to the range of low
relat ive pressures, is due to a certain swelling of the sample. The 0
2
molecules may penetrate into the interplanar spaces of the graphite crys.-
tale which were largely destroyed during grinding.. Tn the high.-pressure.
range, the hysteresis is obviously due to capillary condensation in the
pores and gaps between the particles,, The desorption isotherm shows a
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S10201611 129/005/021/02-~;
Chemical and phyetcal_~. B'03/B208
break at P/P S O~25-~ This break may be vt~lated to the clearing of-some
pores which were filled at high vap,,r tens,~ons.- This break did not
appear at low.pressures.. The adsorption ie,.,therm of nitrogen an-awe no
hysteresis phenomen4, in this pressure -range. This as explainel'by a
higher penetrability of 0 at low t-mperatures,. For this reason, th-;!
2
,specific surface of fine-disperse graphite which was calculated from the
low.-temperature N adsorption, may be A .1.,,tt-1) i;oo low, as comparei with
2
the surface acoessible to.0 molecules, This fact is., however~ negligible
2
for the allthOTBI conclusions, Thereare 3 figures and 6 Teferen~~e':.Ii
4 Soviet-bloo and 2 non-Soriet-,bloc. The refer-anne I;o Englishi-language
publications reads as follows; T.. KcutPzkk,, H. TomgYek, Phya, Revu., .-I
1212 (1960).
ASSOCIATIONs Moskovskly gosudarstvennyy universitet im. M.. V. Lomonosova
(Moscow State University imeni M. V.. Lomonosov)
PRESEFTEDs March 15, 1964 by U, M, Dubinin, Academician
SUBMITTEDs March 131~- !961
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7-

J.
35b65
s/l95/62/oo3/col/oO6/olo
E071/El36
*
Kvlividzoi
V.I., lyevakayn, N.N., Yegorovn, T.S.,
Kisclov, V. P. ,and Sokolov 14. D.
TlTLC-. -studies of water-vapour ad-Aorption on the surCoce
of silica gel
I'LlUt)DICAL Kinetika i k,'ltaliz, v.3.-no.1, 1962, 9-1-9B
TEXT: chanism of adsorption and.the state'of the
:The Me
adsorbed molecules on the surface of an adsorbent cannot be
elucidated 0 the basis of purely adsorptive measurement. For
n
this -purpose sotue additionnI datn on the r5yEtem aldnorbod
-try.
substance adsorbent obtained by physical methods are nocams.
As a first stage in the : inveat iza tions the authors s tudind signals
of nuclearmagnotie'resonanco from protons of hydroxyl group* of
watoj~ adsorbed onthe surfaco of silica Sol. The results obtained
were compared with Iadsorption pro-parties of isilica gel, with
measurements ~of.heats of adsorption and available spectroscopic
obtained by the
a.. Silica gels Y, -Z' (K-2) and Y, -4 (K
dat
.
hydrolysis of.SiC14 and a purified BAmplo of technical ailicA gel
Ca rd 413 :J

S/195/62/003
/001/006/010
PIR Studios or water fvnpour ...
'136
r07 I/K

KS fore us6d for the ii1votstirlition. The N"R monsure
XCK -3
ment3 were carried out at ~ room tomporature on a nnsnple of

alines was mqasurod na the di!
0.2-0.3 g. The width - of th tance
betwoon maxin*-% on the differential curve. The second moment ImA
V calculated from'the diffarcritial curvo of the sigtial absorl)tiorl
Additions of IMtar vapotir-lin tho ampuln with njlica sol for NINN
and Adoorption,measuramentn %,rare' cnrriod out by ineann oC a
spring balance. 11onts of adsorption waro determined (tither
directly from calbrimetric ineanuroments or by the difforentiation,
of tho~ curve relating tho.hoat of wetting and the amount of water
adsorbed on the specinion.' From the adearption data and hent of
ottin~ curves, differential curves of the changen in free energy
and antropy-of adsorption were -calculated. 'It was shown that
molecules of 'wator are absent on the surface of the samples

a of adsorption n sharp
evacuated at 200 OC. In the initial star
decrease ~ifi. the width of the- line o-C the second moment was
observed. These chanSos in the NUR tslgnalts agree with the Z7
tronds:oC the curves, of differential hoat and entropy of
adsorption., The poasibiliiy of interaction of water tuoloculos
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3/076/62/036/00~/002/011
Study of the surl'ace B101/B102
sUrface 3.(,om!j thic;i is not fully occupied after the thorr~aldehydration is ;
filled up by water or alcohol*.Nvithformation of bydrate.or.alcoholates,
respectively. The irreversible aorp.tion of alcohols increases.,after ther-
mal treotment of Al 203 at -high tomperatur e. There.are 4 figures,and 2
tables.
ASjOCIATION%. Moskovskiy -gostidaratvennyy universitet im. M.~ V. Lomonosova,
Fiziches*rl-iy,i khimicheskiy fAkulltety (MoscoVT State Universi-
ty imeni MiV. Lomonosov, physical and Chemical Departtents)
SUBMITTED: November 11 1960
Card,O

.37521
S/020/62/144/001/021/024
B124/B101
L7 tt~ CC,
AUT11ORS: Zarifl.yants, Yu. A. ~~~~nd Fedorov, 'G.-G.

TITLE. Differential. e
adsorption:h ats of oxygen and water vapor on the
surface of'.graphite
PERIODICAL: Akademiya nauk SSSR.~ Doklady, v. 144, no. 1, 1062, 151-154
-,TEXT Fi.ne~disp erse-IgrIaphite vith a speoi-fic surface S 350~m 2/g, which
-ha&.been obtained from natural graphite crushed ina ball mill-'in an
atmospherep: was used-in.,the experiments. Adsorption heatd were
reasured using an automatio-calorimeter with constant heat.exchange;
w7gen adsorDtio'n was determined by a,,volumetric method, and by water vapor
adsorption- with -magnesium pdrchlorate. These 'Methods were described -in
Ref. (Wkh, No. 6 (1962)). Theinitial adsorption heats of oxygen w ere
very high (110 kcal/mole).- With a surface coverage of about 0-5 t1jI/M21 of
oxygen, the differential adso'rption:heat begins to decrease, and with
1 ~"/m its valuais only J50 koal/mole. The results obtained ahoy; a high
degree of reproducibility on fresh cleavage areas of graphite. -The high,
initial adsorption heats are'due to the formation of oarbonyl groups',
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", k,
1-1 11-
1
- -- .-. ~-- .1 W-0 I

k

DOBROVOLISM, ZARIFIYANM,
MOROV, G.G. LEZHNEV, N.N.j
Properties of the ourface Of.a freshly lert graPhite. Part 4.
Zhur. fiz. khim. 38 no.215O6-509 F 16Z. (MIRA 17:8)
1. Moskovskty gosudaretvennyy universitat Nauchno-isaledavatell-,
okly institut shinnoy pronvehleanosti.
Ill US w

L 35090-65 BEG
J
ACCESSION Ntt-: AP50666_ 98; S/0076/65/039/002/0461/0462
AMOR: Kvlividze, V. I.; Zarif'yants, Yu. A.; Kiselev, V. F.
TITU: Surface properties of fresh cracks in graphite, V1. uclear magnetic
resonancq in ealzethzIenUith a freshly crackeT-g-r-a-p-Pt-te filler
4.7
A Sty
SOURCE: Zhurnal fiziche kh1mii, v. 39, no. 2, 1965, 461-462
TOPIC TAGS: cracked graphite,~ftl2ed polyethylene, irobile hydrocarbon gr6u
nuclear magnetic resonance, graphite fitler, graphite surface
ABSTRACT, The influence of a filler on the NMR spectrum of natural and synthetic
riibber was studied earlier by several researchers (see, e.g., I. Ya. Slonim,
Usp. khimii, 31, 609, 1962). In the present work, the NMR sLgnals from pure
polyethylene were compared with those from polyethylene samples filled with
freshly-cracked graphite. The results show that the active filler significantly
modifies the shape of the M4R signals. The authors also found a wid:!ning of the
narrow component of the MM ---signal which indicates that the most mobile hydro-
carbon groups of the amorphous part of the polymer are being braked. The intro-
duction of graphite with oxidized surfaces results in less drastic changes in the
structure of the MR signals. To obtain deeper insight into the polymer-fiLler
carc; 1/2

L 35090-65
ACCESSION NR: AP5006698
C n`
intera tio tests at.low temperatures...
Orig. art. has:
Associmm mbskov e ova-,
Aty gdsu atstvennyy univerettit W. H. V. Lamoods
(Moscow state --miversity)
SUEMITTKD-., 260ct63 ERCL: 00 SUB CODE: HT, GC
.40 REP SOV: 007
OTHER: 003
C0,j 2/2
lwm~~~M W-MMUM

FIGUROVSKAYA, Ye.N.; VOLIKENSILTEYN., F.F.
Effect of chemisorption of oxygen on the work function and
conductance of titanium dioxide. Dokl. AN SSSR 161 no.5t1142-
1145 Ap 165. (MIRA 18:5)
Moskovskiy gosudarstvenny-y universitet i Institut fizicheskoy
khimii. AN SSSR. Submitted October 28, 1964.

MIVAr",E) V.'*.; K','SEIYV V.F.-
Nualear magnettc resonanie atudy of wat,,- in :~-7aolitea
at Imi t~-mjlerutureos Dohl, I'N S~-~T 16,~ D 165,
1. Moskavokiy goaudarstvennyy unlversLtat 1r. II.V.T.C
A Tnti tAtut f I-zithoskoV -khimll. AN SW:R. Siibni tted May 82 12-96%
_postulated that at this stage, a
the" initial stage of filling of t6 surface. It is
part of the molecules enter into donor-acceptor bonds with the coordination-unsaturatAd
surface atoms of germanium, which have vacant and sufficiently low d orbitals. At the
same time# the olectron density-of the unshared electron pair of Oxygen (in the U20
molecule) is drawn into the d subshell of the germanium atom; Ge thus acquires a not
Cord 1/2

iL 06427-67
ACC NRt AP6026702
negative chargep and watorp a not positive char'ge. The moment of this dipole may be,
marq times greater than that of watar. Above 5000K# OH groups are removed from the
surface oxide filmp causing the structure of the oxide to change. At 65o-75ocK. this
structure converts to thei close-packed tetragonal modification of GeOz. This causes
irreversible changes in the adsorptive activity and to the heal-Ing of defects serving
as the base-for recombination centers and fast states. The oxide film begins to do-
-compoae at 7000K, and Y2 shifts to the negative side because the defeat concentration
increases sharplye Orig. art. hass 1 figure.
�UB coal '20/ �UEK DATE$ 15Jan661 MM REF 003
2/2
C
ard

L 10783-67
ACC NR. AP700350
/1399"
AUMO,
It Prudnikov, R. V.; Kiselov, V. F.
i
: 0, s Faculty,
RG; PIVSic Eorccn-r. State - University :Lm. He Vs Lomonosov (Hoskovs)dy gomxlarat~
-i I.
I Vera,67y, unIv6r5:I-tot,-I1Pizichoskiy falmlltat)
S-ff e c t or tile Ad n 0t Watter on tio 'slate of &U*race Reco,mbination
and Surfa
cc Conductivity-o Gervw1jum"
~:bscoivr, a1=41 hasl5om ~ip~i Vol 40, No 6, Jun 66. pp 1396-1399
-.13STIRAM. Me effects of water adsorptionon surface recombination 4f~,
sueface conductivity and the surface potentialr-f of Go of the n-Itype
with an oxidized surface vmre'~studied. increased witli increasing
WIT,poratures of the treatment of Go samples in vacuo. Adsorption of waW
on the initial Ge in the region of low filling of the surface reduced 4�
there v-as no further change at higher degrees of filling. Adsorption on
thermally treated samples rerpulted.in an abrupt decrease of whi h
1.then approached the value for the katial sample. Da
__&Ing desorption
decreased along a cui~
of 9 for.Ge treated In vacuo at 20 . After evacuation
~the initial value was, restored. Dehydration =d rehydration in
CF
~the 20-200 'range resulted In; reversible ahanges of (3 The time required
UDC: 541.182

L 3532-5-66 ' EwT (m) (t) /9r I IJP(c) JD 98-
ACC NRt AP6026838 SOURCE COD& UR/0020[66/1%/-00210395/
AUTHDRs Prudnikov. R.V.j F To rov-
ORG:: Moscow State Univerbity-(Moskovskiy gosudarstvennyy universLtet):