SCIENTIFIC ABSTRACT YEVSTAFYEV, N. N. - YEVSTIFOROVA, A. K.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001963020002-8
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: September 17, 2001
• Sequence Number: 2
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

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1= NNW-RMMIM
MMY, L.Te.; UYSTAMIT. 3.G.; VOROBIM. TaT*; 1AIdW* ToSolo
'Welding btw bar componsatoras Avton-avare 13 no*7:87-W
J1 960* (KM 13:7)
.1. Treat "Gidroolektromontathl (for Te7ozan), 2e.1sulnVadekly
filial inStitUtS6 wOrgenergostroym (for all except Toyaman).
(Bus c.ondactors(Blectricity)~-Neldlug)

S
-135-58-2-13/18
OV
AUTHORS. Fedotov, L. Ye., Engineer and Ye,rstaflyevi S. G., Technician
-TITM",; Argon-Are Welding of Aluminum Bus Bars (Argono-dugovaya
svarka alyuminiyevykh shinoprovoilov)
PERIODICAL; Svarochnoye proizvodstvol 1958, 1.11r 2v PP 45 46 ~IUSSR)
ABSTRACT: Information is presented on the technology and results of
tests on argon-are welding with tungsten electrodes of
aluminum bus-bars. The foll owing conclusions are madet
the describeci method can be used for welding in bottom,
vertical and overhead position and has marked advantages
over gas-welding, i.e. there is no need of flux, no sub-
sequent cleaning of the joint,. better quality of the seams,
higher effi6ioncy-and reduced cost of,work. There are
2 tables,
ASSOPIATION:_'Leningradskiy filial Institute, "Orgenergostroy" (The Lenin-
grad Branch of the "Orgen6rgostroy" Institute)
Card 1/1 1. Aluminum--Ard__ welding 2. Are velding-4lec-trodea

YEVSTAFIIYEVO -S9G*,Inzh*;- FMMOV, L.Te,,tnzh.
Rasults of experiments ,in welding alumlaum bus.bars. Zleksta.
29 -nooll:31-33 9 158* (KIRL 21:12)
(Bus conductors (Illectricity).-Welding)

YMTJIPHM, S.V., lnzh.
Lot's improve the system of plaming, jLccoanting, and reportinge
Stroi.prom. 27 no.1:5-7 Ja 1401. i3:2)
(Construction industry - Costs)

Y=~mYEV, S.V.
Awther methods for mechanizing constrwtion work. Xekh. trud,
rat. 9 no.1:11-15 J%'55* Oun 8: 3)
1. Chlen Gosudarstvennogo Komitsta, Soveta Ministrov SSSR po
dalam straltalletvae
(DidlAing machinery)

S4XOLOT. ROSTOTSKIY, V.K.; GRECHIN, H.K,; STAHKOVSKIY,
A.P.; BAUW, V.A.; BIRKW, 1,L,; ISOIIODACMW, LP,.; BOYEO. A.0.;
TALUT'MY, I.I.; VATSSIAYSUYA._ L.T3,.; TOLIF. A, A~-T*: pOOROTMy.
W.G.; YRGNUS. , M.Ya.; Y-BFR,'OCMO. T.?.; ZININ, P.A.;. ITANOT, 7.A.;
BIOZIOnxl.Y,_ A.A.; KOSTIN, H.I.-, KRI10MUN. H,N,-, Lr)MVA,
;MMOV, A,S,;tHIROP6L'SKAYA, H.K.q; PrM*OV, G.D.; REBROT, A0-3d;
ItOGOM-IY. L.V.; SHMNOV, G.Ya.; SILLVWSIKIY. V.H.; SHIHANOVICH, S.T.;
V.A.
Nlvgenii Richardovich Peters; obituary;Hakh.stroi. 15 no.1:3 of cover
ja, 158. (MIR& 11.,I)
(Patera, Rvgenil Riclutrdovich, 1892-1957)

-
rif 17
4r_
AUTHOR j r
Babkov, V.P., Professor 3-58-2-20/33
TITLI;s Intervuz Scientific and Methodical Conferences (ilezhduvuzovs-
kiye nauchnyye i metodicheskiye konferentbii). Problems in
i
troitell
Constructing Automobile Roads and Bridges (Problems, s
stva, avtomobillnykh dorog i mogitov)
PERIODICALs Vestaik Vysshey Shkoly~ 1958, it 2, PP 73 - 74 (USSR)
ABSTRACTs In November 1957, a conference took,place at the Moskovakiy
avtomobillno-dorozhnyy institut (Moscow Automobile-Road In-
stitute) on the construction of' automobile roads and bridges.
The conference was convened by the Kinistorstva, vysshego cbra-
zovaniya SSSR (USSR Ministry of'Higher Education). Repreien-
tatives of higher educational inatitutionag scientific-researoh
and productional organizations participated.
V.T. Fedorov, Chief of the Main Administration for Construct-
ing Automobile.Roadsp attaahed to the USSR Council of Ministerep
delivered a.report on "The Development of the Construction and
Repair Technique# and the Maintenance of Automobile Roads in
the USSR During 40 Years of Sov-,Let PowerlIg and S.V. Yevsta-
feyev, Deputy Chief of the same a&inistration, on -The Mocha-
-MT-z-a-Tion of Road-Constructing Work"o
Card 113 X.Marek, Professor of the Vyissheye Tekhnicheskoye Uchilishche
(Ctachoulovakia)

Intervuz Scientific.and Methodical Conferencea. Problems In Constructing
Automobile Roads and Bridgee
(Higher Technical School) in Bratislava submitted information
on the construotionof automobile roads in Slovakia.
At 9 meetings of the Road Section, probleia of improving
the technique of geodesic surveys, etc. were discussed. The
conference recommended a more effective application of aerial
photo survey.
Professor D.P. Velikanov advised the conference on the
work ca:rried on at the Institute-of Complex Transport Problems
of the USSR Academy-of Sciences concerning the study of auto-
mobile motion under various road conditions. He demonstrated
an apparatus for the automatic registrmtion of characteristics of
the engine work, speed and automobile control.
B.G..Dombrovskiy, correepcindina-member of the Akademiya
stroitelletva I arkhitekt-ary (Building and Architectlire Los-
demy) and Professor at the Moskovskiy inzhonerno-stroitall
nyy inatitut (Moscow E,ngineering-Construction Institute), in-
formed the conference of the results of investigations# made
Card 2/ 3 in 1949-1957s on the work of diffevont type excavators.

3-58-2-20/33
Interruz Scientific and Methodical Conferences. Problems in Constructing
Automobile Houda and Brdges
The Section on Bridge Construction paid much attention
to newt progressive designs of bridge construction. The methods
of computing the structures were more accurately defined and
concrete suggestions were submitted for improving the tech-
nique. It was proposed that the coi2struption of'sm~ll bridges
of reinforced concrete be standardized and that sttuctures
correspo.nding to the technical conditions of,plant 6anufacturep
be used.
The conference decided to establli.shja coordinating committee
at the Goeudaretvannyy vassovuznyy.dordzhnyy nauchnb-iosledo-
Vatellskiy Institut (State All-Unloest Scientific-Resiarch Road
Institute (SOYuZDORYII) to better,the Iiiiison betwi 13en vuzes
and research institutes.
ASSOCIA"110Kv: -Moskovskiy artomobil 'no-dorozhnyy- institut -(Md~cov__Autooabile_
NAda Institute)
iLVAIU Ubrary of Congress
Cal - D 5
ard p~

AIMEOR:
100-53-2-222/9
ear.

TITLE: hani ation of '-Road BiAldi
Hec Z nj (Nekhaviiz~itslya
q.
d6rozhno-strqitell b
-.Aykh ra ot)
'
K
PE111 0 D I CAL mr 2, Pp 8-14.
Mekhanizatsiya Stroitellstva, 101533
of the
ABSTRACT: The Soyuzdorn.,I/G1avdorstroy of USSR prepared sketches
and teabanical specifications f6r special attachment
also
to lorry-mounted grader D-144 tor lavelling slopes,
attachment to tractor "Belarus"11 fevr the consolida on
,
of slopes by. means of turf or 'by injmting cement grout.
Prototypes -of this-attachment should tie comnleted in
1958 by Glavdorstroy of USSR. The mass production of
-tractors has commenced. A
new scrapers attached to
3
-
tractor of 110 h.p. is coupled to a scraper of 4-5 3
capacity--and-one--6f 165 h.p. Vo a scraper of 9_11M
capacity (D-357G); 5nd a tractor of-250-300 h-P.-to -
'
,(D-392). The introduction
a scraper of 14-18m capacity
of high speed tractors, 30-401in,per hour, has consider-
ably increased the efficiency of levelling. Lately
universal bulldozers mounted (in tractors S-80 (D-259)
and DT-55 (D-3,15) have been in use. In lieu of lorry-
Card 1/3

Xechanization~of Road Building. ION58-2-2/9
mounted graders D-144 and D-265, new models are being
-T,. with im-
prepared 'with motor5 of 140, 9';3 and 54 h.
proved transmission a-ad other details. Lately nev method-s
have been tried with vrxious binders to stat"iise the
0 6pecial m-A'
'gr und for road building purposes. achines f~'-r
this purpose have b"Ien designed and the operations di-,1,1911
into the following three groupis: (i) mobile aoil-mix~_ng
machine with dosing apparatus for bindingp additives
attached. (The machine is designed by the Bryansk Vtclbcry),
large lorry-mounted tankers lorry-mounted cement con-
tainers and mobile compressors-..(ii This group contains
road cutter, distribuvor of cement d bitumen, lorry's,
mounted cisterns for water and bind-Lng materials, molhile
compressor: (iii) Mixing-machine for soil and gravel
with binding additives, D-370, machanical lcader D-37,11.,
lorry-mounted cisterns and ipobile compreL%nrs The
GlavElorstroy of USSR plans to a machine for
cutting concretp. Thi.Kremenchua,-.Y factory for read
building machinery is experiment-ing -with a new plax;:I.-,
r an esphalt concrete factory with a capa-ij-
D- 3 33 fO UY
of 40-50 tons per hour. A stone crusher Types PDU
(D-311 and D-312) has come into production. The
Card 2/3

Mechanization of Road.Building. -100-58-2-2/9
Glavdorstroy.of USSR started the produation of 'look'.'
cranes with a capa3ity of %-tons and loader SP-1 with
a capacity of 240m per hour, Vigure 1 illustrates a.
machine for. -the preparation of i9mulsion, Figure 2
tractor with two trailers with-hydraulia tipping:
Figure 3 oontinuous loader SP-Li Figure 4 - an asphalt-
ing machine for road aurfc%cing which was tested by
Glavdorstroy of USSR in 1958. Figure 5: a srA 1 mixing
machine employed,on stabilidation during road building,
and Figure 6 a tipping dumper with a capacity of 3m
There are 6 figures and one table.
1. Roads--Construction 2. Construction equipment--
Development
Card 3/3

ROSTOTSKIY, V.K.; STAMOVSKITt A.P.;
SOMMOV. K.H. YUSTAME
VARbm' Ito. 1. f Ol IYEV, I.A.-I SVXSHEiIXDV', I.P.; UKKOV, B.S.;
BAUM, V.A.; R&RSqV. I.?.; BASHINUIT, S.T.; BOYED, A.G.; TALUTMIT,
I.I.; UJOLISM, V.P.; ZOTOV, V.P.; TVAM7, V.A.; =-RIMT# T.M.;
LEVI, SOS.; HAWLETMV, Ye.X,; MERKOV, A*S.;,HIRMLl9KATA. 9,,X.-.
OSIFOV, L.O.; PSMI MAN. L.M. -,! PRMV, G.D. t PMOV, N.H. POLTAMV.
V.I.; -VATSSLAVSKAYA, L.Ya ; VUCM4MXV. S.Af -, VKRZHITSKIT. A.M.;
VIASOV, P.A.; VOLIFSOR, A:V.; VoSHGHINIP., Aj.; DZRMMVSKIT, N.Y.;
DOMBROVSKIY, R.G.; YMPIFAMV. S.P.;'YKFREMllKO, V.P.: ZELICHEMK, G.G.;
iMIN, P.A.; POPOVA. N.T.; ROGOVSKIT, MROV.' A.S.; SAPRYKIIT. V.A.;
SOVAPY# 1409; SOSKIN, AV.; STARUKRINO N*Hi. SUMWAY., G.S.; TOIMAYA,
D.P.; TROITSKIT, Kh.L,-, TUSHNYAKOV, MA.: TROIOV, P.T.:- TSIRKUMV. I.P.
Andrei Vladimirovich Konorov; obituarr. Kek~. stroi. 16 no.1:32 Ja
(MIRA 12: 1)
(Konorov, Andrei Vladimirovich, 10~0-1958)

MOM-
YBISTAMN, S.V.,inzh.: PIIUSOV, V.V.pinzhe
Ways for coMleting the over-all mechanization of highway con-
atructions Avtodore 22 ro.l-.4-6 Ja 159. 12:2)
(Road machinery)

Y]WISTAnYEV, S.V., inzhe
Prospects for the development of road and building mcbIner7
and equipment of the bullding iatterials Industry* Vekh. stroi.
17 no.9:4-7 S 160. (KIR& 13:9)
(Buildine nachinery)
(Building materials Industry-Equipment and supplies)
(Road machinery)

ME

5/020/61/137/006/014/020
V Al --- ----
B103/B217
ONE
:AUTHORS. Topchiyev, A. V., Academician Yegorova, G. M., Bazilevich,
V. V., and Yevataffyev, V. P.
~TITLE. Study of isomeric octalines
PERIODICAL: Doklady Akademii nauk SSSR, v. 137, no. 6, 1961, 1381-1384
TEXT.; The authors initially give a survey of publications on production, usq
reactions, and identification methods of isomeric octAlines. They state
that they hardly used the spectral methods for their studies. The authors
studied.the Raman spectra o -f 1) &-9,10-octalinei 2) Cis-,&-2,3-octaline, and
3) m'jl,,cture of -A-1 9-and 6-9,1 0-octaline. - Synthesis methods: - to 1 ). The
autho;rs heated gradually 200 g Cis-Cis-decalol-2 with 70 9 orthophosphoric
acid i;ip to 2009C under mechanical stirring, the reaction.products being,
oontilauously distilled off. Nitrosochlorides were obtained from the-formed
hydrooa'rbons under the action of iaoam~lnitrite and hydrochloric acid at
-.100C. White (melting point 125-1270C and light-blue crystals (melting
point 900C) were obtained from these by means of acetone. From these results
the authors conclude that the forming 2) is partly isomerized to 3)- 1 was
Card 1/5

Study of isomeric qatalines BIOVB~17

obtairted from the light-blue crystals by deaomposition according to W.
HU-ckel (Ref. 3). The isomer content amounted in 1) to 1-2% at most. To 2).
The authors' experiments proved that the-dehydration of Cis-Cia-decalol-2 in v
the prasence of the cation-exchanging resin KY-2 (KU-2) (hydrogen form) is
not suited for the synthesis of pure 2) for the purpose of spectral analysis,~,.fl
since 2) is partly isomerized to 3). Therefore the authors ayathetizea 2).4. ,
the known method of dehydration of decalol in the presence of 200% freshly
melted potassium bisulfate. The white crystals (melting point 1760C) thus
,formed.were obtained by rising in acetone.. The authors established that
the 2),synthetized by them contains only traces of 1). The oxidation of a
weighed-in portion with alkaline potassium permanganate solution 7iolded,
however, Cis-cyclohexane diacetic acid-1,2 (melting point 1590C). The
authors used for recording and evaluation of spectrograms; the apectrograph
MCIT-51 (ISF-51) and a comparator M~A-2 (IZA-2). Table 1 contains the
frequencies of the Raman lines. The visually evaluated intensities are
given in brackets according to a 10-utits scale, This evaluati on was related
684 cm-1
in the spectra of each individual compoundto the line 1 in the
m of 1), which line was equated with 10 scale units. On the strength
spectru

'
of their results the authors ascribe the frequencies of the C. C bond as ,/61/137/006/014/020--
S/020
Card 2.15

S10201611137100610141020,
-Study of isomeric odtalines B103/B217
e B. lt~ 1) 1672 c_M'_1 to A 1 ctaline an d 1652 cm -1
f ollows: 1664 cm, b long 0 - 9-0
to 2). From this'-they conclude that the 9,10-bond is stronger than the
i fc,l-bond. The 1 9-"b`6Wd ia,.however, stronger than the* 2,3-bond. This
final conclusion is in line Wi'th-the mentioned isomeriiation of 2) to 3)-
An intensive line at 675 cm-1 exists *TE the spectrum of I ) , which lacks in
the spect.rum of 2). Its intensity in the spectrUift -~,f 3) is considerably
weakened; It is obviously characteri stic of I).' The intensity of. the lines
41EI and 830 in the spectrum of 1) is also striking. The authors mention
the paper by M. B. Turova-Polyak (Ref - 1 : Uch. zap.. MGU t no. 3 t 193 P 1934),
'U.'IlUciell R. Danneel et al; Ref-, 3: Ann. 474, 121,,*1929). There are
1 table and 16 references: 4 Soviet-bloc and 12 rion-Soviet-bloo. The
three r references to English cations read as fo"
nost recent -language. publi
1 o ;I s :A. G. Anderson$ J.,Nel~on, Ref.- 5: J. Am. Chein. Soc., 73, 2,152,1
Sukh Dev, Ref. 6: J. Ind. Chem. Soc;' 31 1 1-7P 1954; A. C* Copet R. J.
Cotter, G.. G. Roller, Ref. 12: J. Am. Chem. Soc-i 77, 3594,*1955-
SUEMITTED: January 20, 1961
Card
W. N

ISAl'rULYtJiTS,V.1.; V.P.
Mo~kovskiy institut Promyslrllenn
im.ez-A I.11,.Gubkina.

IWULYANTS,, V.1,; 7EVSTAFIYFVp V.P.
qlation of phenol with butadiene on the KU-2 cation
A2kDr
exchange retline- Zhur.obkhim, 33 no,3:1042,-1043 Mr 163.
(MMA 160)
1. Moskovskiy institut neftekhiudcheskoy-~i gazovoy--
proiayshlennoati imeni I.M. Gubkina.
(Phenols) (Butadiens)
(Ion exchange resins)

ISIGULYAM,, v.j.; YEVSTAFIYZVP V.p.; yERoSHEVA# Lj.
Condensation of phenol vith allyl alcohol and propimAl"-
-2. MLr. ob. khim. 33 no.5%
b7ft m the cation exchanger (MMA 16:6)
1:694-1695 W 163. 01
Koskovskiy institut nOft0khItOIchGsjo* i gazovoy P"-MWBII"
j I.M. Gubkina.
lennostj imen (phenol condensation products)
(Palyl alcohol) (Propionald-AOG)

RSAGULYAH15, V.I.,
ABc'aqylr-tlO.-) of phe-a'al Voki. AN Am. SIT 37
no.5:27,3-276 163. O'a-~A 17:9)
1. Moskovskiy i gazovot, promyuhlennosti
imimi akademika Gubkina. ~'!,fidrviya-nauk AmVan-6y SSR (for
Islagulylints)

(steel-Meta3largy)
I

~Itpn--
o'.Y~
, - i; b! '64.
no*3;1 17

ZAYKOVt S.T.; IOAVTSOV, P.Ya.; NIKIFOROV, B.V.; KOVALt, V.-fe.; "MIGULIN, V.I.;
RUBINSKIY., P.S.; LIFSHITS, S.I.; YEVSTAFIYEV,jff.-.J.; NIKONOV, V.F.;
I A.G*
~I 0 Z L 1: 1, I.SX ~. I Y-
Using, oxygen-blown converter steel in automobile manufat~ture.
14fet. i gornor-ad. prom. no.4:26-31 JI-Ag 164.
(MIR-k 18:7)

.YEVSTAFIYEV, Yu.M*
The 5348 vertical gear-mnling mactire. Stan.i instr. 35 no.9:39 S
164- (MIRA 17:10)

ZWIVA, T.A,, meditsinskaya sestra; LOSKUTOVA R.A., meditginakaya see-
tra; DUBININA, A P., aeditsinskpya sest;a; TROITSKATA, G.A., medi-
tainsimya sestra; YEVSPAPITUA L.r., maditelaskaya, aestra-(Kali-
ningnid)
Neuritis of the inedian nerve caused by calcium chloride solution
which accidentally penetrated the nerve trunk during parenteral in-
fusion. Felld.i akush. no-5:35-36 My 155. OMRA 8 :7)
(=VMS, MEDIAN, dig.,
nouritits, caused by calcium chloride penetration)
(NMITIS.
median, caused by calcium chloride ponetration)
(cacrm.
chlorido penetration in median:nerve trunk. causing
nouritial
(CRLORIDRSO
calcium chloride penetration in median nerve trwxk.
causing nouritisi
(INFUSION, PAIM,111RAL, compl.,
calcium chloridn', z7anetration in median nerve trunk.
causing neuritis)

v: - V6 j I JIt.A.; DURININA, A.P 4N-VSTAjI TZVA L.I.
ZARKINA. A. -, i~AAA, vZ,%,
SOOVA, Y.N. - (Kaliningrad)
:iome problems in the etiolq,7 and clinical aspects of pressure
neuritis. Felld. i skueh. 2,'.! no.12,38-39 D '57. (MIRA 11:2)
(UHURITIS)

DRABKIN, A.Ye.; YEVSTAFIYEIIA
-Removing by~-produzts form an arsenic-soda solution used to re=ove
hydrogen sulfi&4 from gas. Report 2. Trudy VNIIT no.13:133-137 164.
(141RA 18:2)

SHXOLINIXI H,Ta.; KAKAROTA..H.A.; SISMTA, N.A.:, IMMIUVA, Log*
On the causes of theopecificrole of boron in reproductITO organ
developpont, fertilization and fruit formation [with IMIish sum-
Wy in Insert). FULA.rasC, 3 no&3:191-198 KT-Je 156.(KWA 9:7)
I.Botantcheekiy inatitut imold Y.TiolomaroTa Akadanli nauk OSSR,
Lenivgrad.
(Plants, Xffect of boron on),

DRABKINI A.Ye.; YEVSjrAFIYEVA, L.N.
Removing the lZr-products from an arsenic-soda solution.
Trudy VNIIT mo.12:198-204 163,, (MIRA 18:11)

IAPKIN, I.I.; YEVSTAFEYXVA, 14. Ye.; ORLOVA, L.O.
Reactions of &-chlorinated others in the presence of zdnew
Part 2.- Nev methods of synthesizing diavrlmetuhanes, stalbenneTy
and O-chloro--aL Jj -di(alkoxyaryl)ethanes. Zhur. org. khlmo I
no. 142169-2132 D t65 (KTRA 19tt)
1. PemBkiy gosuc~larstvennyy universitet, Slubmitted Dacembex, 14,
1964.

TCMISKIT,Aikhail Ulkoll1yevich, kBVd*tekbn.nauk:-XMOfO%TOT# HeAet
retsencent; ULWIFILM -N conceit YaRMN, AOSOO
___ _1 -A, T..# rot red,,;
PlIMM, Te.L.-, :red.izd-va; WITS, T.P., tekhn.red.
Econstruction wofltj Proizvodstvo stroitellafth rabot. Moskva,
Goslesbunisdat. 1.958 311 P. (KIRA 13:8)
(Lumberyard;) (Building)

AUTHORSs Babayeva, A.~ V. Yerstaflyerat 0. N. 75-13-5--3/27
TITLEs The Bpectrc'-scopia Determination- ium, Magner3ium, Alumi-
num, Silicon and Tin in Refined Rhodium and Iridiwa (Spektrall-
noye opredeleniye kalltaiya, magniva, alyuminiya, Itremniya i
-.01ova v afflairovannykh rodii i iridii)
PERIODICAM Zhurnal analitioheakoy khimiiv 1958F Vol 139 Nr 3,
304-3107 (USSR)
ABSTRACT#- For the _analyeis -of refined-.rhodium.and iridium on calcium
'brought to- so-
-magnesium, aluminumisilicon and tin-the metal is
.
lutiof2.- Thiii solution is evaporated in an alternating-current
spark aro. The success of the analysis mainly depends on the pre-
-senoe of good standard solutions. The authors of t'he present pa-
per used purest trichlorotriamiaorhadiun as initial product for
the standard rhodium solutions. But this preparation always con-
some calcium which cannot even be removed by repeated ca'e-
ful recrystallization~ These small amounts of Ca were taken into
account on the basis of an extrapolation. Trichlorotriaminorho-
dium was deoomposed in the-he&tLand reduced in the hydrogen
Thf&L-thUS,
currenti -obtained metallLo rhodium-was brought to a
Card 1/3 soluble forla by treatment with chlorine at 800-9000 (referende

The Spectroscopic Determing.tion of.Calcium, Magnesium, 75-13-3-8/27
Aluminum, Silicon and Tin In Refined Rhodiun and-Iridiuzz
1). The p*hotographing of the spectra was performed in a spark
spectrograph with narbon electrodes excited by alternating our-
rent the te~'thnical data of which are.givenin detRil. The spect=
were photogiaphed on photogtaphio platen of the type NIKF1' /Ii,
whioh were developed in a metol-hydroquinone developar., The pho-
tometric determinations were mad6 on a Zeiss microphotometer. In
the determination of calcium the content of calcium in pure rho-
dium was first determihed by graphic extrapolation. These va-
lues were taken into account in the use of calibration solutions.
The mean arithmetic error in the determination of calcium for
conoentrations of 0,065 - 0,005~4 amounts to 9-11%. Due to the
calcium con-tent in the statidard rhodium value, concentrations
lower than 0,005% cannot be determined. In the determination of
aluminum thelerror is up to 2o%. The sensitivity of the determi-
nation of tin is very low at a tin content of