SCIENTIFIC ABSTRACT FR:PLAKSIN, I.N.-3 TO:PLAKSIN, I.N.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001341200050-6
• Release Decision: RIF
• Original Classification: U
• Document Page Count: 99
• Document Creation Date: November 2, 2016
• Sequence Number: 50
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTR

On the Problem of the i~lechanism Underl in r ~JUY/2r1 1 jJ J~'~~ ~'
Heterogeneity on the Surface of Sulphide Ma.nElra1sr~ation of ElE ctrcch~;rzic.:.~.
influence upon tho formation of the electrochemical heterogene-~
ty as wE~ll as upon tho fixation and d:lstribution of the fiota~
ti on reagents on the surface., Th~.u type of adsorption ~>rocec~ds
much quicker than chemo;~orption (~zef g) ~. Still the
the Ahy,;ically :sorbed yubctanco is iauch 1~~rF;~~r~at th~ua-ur taeof
cessible~ spot~a of the mine~ra.1 than at the lu;~s ncre~~;3:~ble uzies
In conaE~quence of the uneven thickness of the adsorption film,
the ions are able to pass the boundary solid body - liquid O9itri
varying difficulty A difference of potential iF3 �he result A
scratch destroys the adsorption film, bringing about the' fc~rmu-
tion of aii anodic spoto Here, xanthogenate concentra;;es with the
radioactive isotope 5~5., Under an af.r bubble a cathodic spot
forms in consequence of the diffusion of� the s.ir molecule
through the mentioned boundary, and also bec~~use the bubble iti~
negatively charged in many aoluti.ons of or.tTanic su~-~stancE~s
(Ref 10). There are 3 figures rind EU rc.fe.rences, ~ of ~rrhich are
Soviet.
Card 3~~
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sUV/2o-' z j.. 3 3'/63
On the Problem of tr.e P~iechanism Underlying th? r orc:a*.,zoa ok . ~ ~ tr;,o!i~~ ~ ^ : -
Heterogeneity on the ;surface of Sulphide Minerals y ~ ~~
of thir3 reagent is determined by the ~rradi.e:it v~.~lue oi' the
electric field forming between the anorllo and rati:odic spots of
the surface., The stable xf~nthogen,rte ze i,rr.egularl,y di~tr~buted
on the surface o!' vax�ious f3ulphidEj ma.nerala (1PE;f:~ q ,a) `Pha.fj wFR>3
deterrn~.ned by micro-x'adi.o~rx�F~l~ti7c !nvAt~ti~ratiUns b,,~ u;~in~r a~3otol~e
535, Apart from tiro hster�ogen(:~i~,y di~~rus~3ed, huwev~er, thez'e arE~
a18O 8pOt3 with varic,u:~ potentiai.s, forming irr cons~:qusnc~ of
the pec:u:liarities of ad3orption at sulphide minerals., :some ;~ci-
entific. workers (Refs bv?) obsexvcad r~( ccirrcentrr3,tior increase of
the flati~tion reagent (especiall;, oi' x~~.nY;i:agena~ye) by the a~,d.
of an a.i>:^ bubble in the 3--phase contact of the m.~zeral parti:;ie~
Such spots are regularly d?_s tri bu'cPd on 'the slxrfa-~ e of the sul-
phide minerals, as investigations (I~ef 8} have shown 1'he
cathodic spots have the tendency of concentrflting in the proxim-
ity of tie salient partsf whereas the anodic spots gather at~ the
less accessible spots of the sulphide minerals (Fig 1) To in-
vestig::~~) o i ,.K { L":-tC?.i._
(ben ~ ~ .~` ,-~' .,1:~~ u" ;, `, ~,~ ;�, ~ :f ~) TWO
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~~~1,'1~,,Gmlo j-
Influenc;e of Oxygen an the ~*;t.at hir~~~r~t~ and Df.st~�.ii~ut,ic~n c,f
Tridecylate on tha ~urf`a~;E~ aI` i'~'l.u.or,~ t;e in Flotation
modif..ication o,f une pre~r.iously d.escr~ibed (Ref 5)
Zabaykal'si~iy (~abayka:l) f:1u~~xa.ifi;e ground to ~ +~
mic�rons was used 20g sampl~s with asolid/l7quid~ratio
were traat~3d f'o'r 2. rn:inut,
of ~r.ide~ .~~ r, f es w,i.th, fi~he reagent (100 g/tonne
Y. ac.~d, t..00 of soda) and flotatnd foz~ 4.~-~lo
mi.nut.es f tha ox.ygeri cont,~~nt af" the pulp on the
recoUerY ~ a ;,iii,}i t:~~~ }~i.n~~~i~.
temp~.rature. `rhi:~ i:~ clo,i ~ ly
'ties of this ion., t.,{- ~:ii.f fu3.~-~j11 r;~te o1' ,~lh icr1 ;zL~}~~,aa~.3
Card 3/4 pecu.liarl
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e ce, of w. Pri~}ci ~.~-h~~'zrn�~Sr~:~ti�~~ioi', :~ 1."... ' r! .~ i''' 'Ji a: '~
The Inf 1 n t~ i. ~ r ,~r, -
b Some ~nionltes Tlrldereu~'a~ntion of pa'i.ladiu.i~ t}4f the e.:i:
r ~ ~ r d!_la(~II~ITI Cui'1Gf;n~+2f~t,.-1~:',
Y ink; : 1) 't' � a,~;.r..~, ~
A~t�-2f ir~crease~ witY~i ins r -' i, � ~ ~ t;iol~ ~x~a.,; r i~,,~."! ~;r
~ to r~�Q f~~_~. the ,i~P E3
the int E:rv~i 1 f 1 am 0� .� irk 1
intervFtil fxorn ~ r
does not; iiicre~-;~c. f�rthe~.� ~-'~ ~;cl.c,.,~ ~.. (., ~ ..
the acid conc~ent~-,it, is?1 i:~
especj.a:l1Y ' ~� ~n.f.,a ~;~.+~F.d ;
2) If tlae acid concer~trati ,-` ~-~, ;,s c�;,7;side~ai~l;la tYtae.i
+ x si f ,~,;~.r;;3se
E~11ad m ion by bo~ ~ ~,: F: n~a~~~ ci' ,r:ia ,
the P(~~ lcentr~. on ex~,~~,~oc~U .~;%,,., A' ~ >}, o.c ;rr c; ~ .i.C!'~Y-+_;~
the Ii ~ cnn t 1 ,., ~ ~icJa :3 ;;;..__ u e r:
varies somewhat � On A?d f2f ~,.iF: j -'1 ~'~x -,�~t~oz~e~:~ a~:~ t;~E�-` �J1'
conc entz�a ~ Cori iq k= .;. ? ,. ~'orL o'rc~
if the metal ;,t-,e sF:.rr,P effec ~~. n
a dimini9hed concentz'atio 1 has LDE- ~ (:ii~ �.~t~~,t -}
c~J. ~;..~..~..s:t
an increaso of the me tu: ~ ~c. r.
th Ar1��2f e, ter;~]F r' ~ 1 n , thF~ :.; ;~z'r,r;j,~ ,-; ~ ~.c
reduct:Lon wi ,;,~Y,;~~er.~~ ut>.:i. ,
to tie dir. u�~~fi~~.,J d~a ~ fig- r~ ~ ~:c~r:
ion sorption ~;I)r '~ ~`p :~ ol{r.d at ~. ,.l ~ Z_.
't'his is ft,;. ~ +~:. ,lanr~rlors
acid concentrations ,i ~r.n the sol~.irxun� t,n t
0 and ~ � 0 ~/ ender,+. e r--,f t;~
c�nt~~ation of ~� ~_y n tt~~e dot:.
th�se differen~�~
is o:Ef Bred for ~,cr,c4~ritr,i-t:~.~~r~ : 1) It, ;,,
11 ian sorption ui;an tl"~e {{C3 ri , ~ To~ain LDE " ~i'
LpdL 9CJY�rt:L~Jn 1..i {~ :' ?y
l;l:,neci by t're Jiff e.r. end. �~-_ .
shorn that the rate of ~ _ 1 ^�
than on Ai~t-�2f, V~t1iCh can ti: exI ~ c�f.` 1,{~esE :r~~ ,,.n~.. ~..G=.
rd 2 4 of thE. pores and duc`t3 in t}i+~ trx"iaina
Ca
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18(6) ;a~?V; 9c,~-.~;9. 1� ~/`;U
AUTHORS : Yorobk:in, A. di, , k'.1a1~,r~irr ~1~, ?d.
TSTL~: The Ins�luence of the incipal ractors on the So~~ptaori of
a Complex Ion CPdCl ~~~ by Some ~triionites Dnr.~er E uili.i~~-i.~.ar1
Conditions (1Jliyaniy~a oenovnykh f[ilctorav na ~~or6t;~iyi.~ kom�-
pleksnogo Iona CFdC16' 11 tinLotor,yrn:i anionitami v ro,vrar.,��
vesnykli usloviyakh)
PERIODICAL: Pdauchn3-ye doklady vysshey shlcoly, P~Ieta'11ur~;iya, ?9~9, '~:r ; ,
pp 14-1'8 (USSR)
AHSTRACT: This p~~per wives an account of t}~~~ :~nf'luen~~a of ti~~f=: c-n~,.~n-~;~a_
tion of palladium and of the i:r.~~e 1~,ydrochlor_i;; ac 5.~,`ef
the contact time end of tg~znj~::ra~,-~r~.; ~:~pcn the sorpi;ic;n �y�
the complex ion L PdCl~~ :~,, ~ he c.~iior?i tes EDE ~ I U1' arc? t~i~..2i
under equilibrium cond~ti~~i~~ ~ from. ~~ure solut.ons Jf pai.1~ �~
ilium hyd~"ochloric acid, 7.'}-, ~~.x~;�ar:il~enf;ai pr~~~cdtire is d~-~
scribed ~f:irst, `l~'he sorrtton -,S' p~l:lcidium ire r.es~.n samples
(10Orr~.;) was determ_Yned, '~h{3 ~rol.uriE? of t},~; :~o1~.tt:r.~n w~:~ ;iri
,juQted a~~ a certain concer~~z�,xti,a?~ of pF~:ll.r~razt~rn a,zld of :;}!e
acid so that in each ~;xi~erim~:~n~i; ~U m~; of me tA.l and 10~ rnF;
Card 1~4 of resin were pre;~ent. '.the c~ia~Prsins ol~tuinryd ~~how the f~3~?,.;v-

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� ~ n :1 H .q N jl .t � � m C .a ..1 o d -t o Al 1 �sl t, N U tt 1 t b N ./ m i) :~ N r, .. _ O 1. O L r. .) n .1 :1 o n 1 .., t, r~ t, ~ r ... �' ~:
Ft ~ t~ t7~1 U t, m .q m ~H .-1 ~,t H o c~ t. a ~ ~ ~ ~ ~ " ~:~ ~ ~ o t1 ~~ ~~ ~, ~i u i ~ N 1, n q m it t1 .t �� [. a a v b .~ .1 n �; d - �) t,~ ;: ~ �u . n :7 C
:~ .C U O 1./ .iit .~ ~ t1 ~ ^ Cal .d .. T to ~, 11 l� :1 % 1 , .. r, t..- `, m 1 ~t :~ n N -, c:
^ tlip4 AaUO NuOtdn ( N
OmtlV ONL OD{+ ,y Ct Q[~N twN) �d ~T--1I C{h l! OOH L~'t. ~;.,
d q I N N U I� O .� O, 4 1 U
:; �,o t, a�o-" .>a q ,yy r1o .+t,l}1,~ j ~i ) ..
(. m ��. m ..41 ct 0 N QI N 1q'.n C d i0 1~� v- N O 1 U .t C+, n~ ,-1 U A 1. [I U ,r �, ,., u l.:J .>.t m v H -~ r .. t t.
.; :1 v H q w .r m o o.� o gg d n d [~ s9 m L -1 y.., ~ o n.l o y !u f a) st 1, . s p a ,~ .y 1 H w ;i m o o -1 �, n ,
,; '~ ~ - qq .~ a v d ? w '~ ~ .~ ,.+ 1' .t N 1 ~ '~ ~ ~ ~ w t, H r u u m n , -f , , .. r, �. 5 .~ �� u o [, a < A4 {ttlQ Q ~ �~ ~ Rt ~ d M t/1 t1 A[ 0 .1 0 r-( "7 :'
qq m~ 0 N m G L7 yel tf~ ai ~ � m .1 ! b u m a u a u -1 N t9 1 ca q r, t, .tl � n ` C 9i b .-1 ~ [7 1~ !, .. U *t ~ .' ~ t,
ti t 0l P) ~ N / �'i A �A N [t SI ~9 rrtI .vr99 qq {,( ~ H A N ri H t>� 0 U 1 V N N 4) }t It A N 001 0~ t�1 0 til t, U c7 u U Ct. 0 ~7 D) p r D U *1 t 41 L n ^I ,
t1 F `a H d O u p~N +f d g N Af eyt ~ ~ !i 0,[~ U q L1 d p{~ q rl t! m ~,((~d A tl a `.Eat a1 u N 'tl u n d rt G77 i1 }> �, O:u ~ r~ c+ 0 r .; .�
.1 ~A'!~,�.9{O ~ p>~ dW Ov ptt a, t~m,QHQr t,rt.,.l t, t1y Oh 1 gryvv~aU7~ u~1'ta a; t,rc ~ r. ;
v t7 q �t)r�I t})q.1.9t1ddNp qm m ct ~11tIH ad fq ~q~NOOq,ntlu.~WpaUClgo~uv~tltm~M.l~~ildoa,.ar/P..m u-r iNOt, 1ou_,t:s .
v ~ Otl.l ARoOmoNggfno pf�ioHa~gl./.aalpuq >.,o-9n.l.,ol.,,t,_.~..
,Ul C ~ n n �
n ~ 1 w ~ ~i
O ~ ..
,~ v v
r� ,~ ~ ~ ~ ' a r,
U t) a!
U
l
~. t
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

~ ~n~-nr:o~- ~~p'?Z'~j"(iY;t~yfV ~f vL~, �'1/~, (~~,/~~ .a~~('-.
The ~nf-ue::ee of tiie E:.ect .. ..-_c =_ _ J -- ' - ' . ` ;
~' ~ ~1 ex'$1 nl.lr~ '~ np !fir ,a .. . ... ?. .. ~' L ...~ .: 1 .. ~.., . .: _ _ .
Conditions
,trio ~ F 'E:nt on t~.eCe f-tier=tsr '.9h�'
also the dirv ution of. t.ie r ~0~'-1~c~tr1C :;t~.t,Ey or 1!'.luer; of lattieo c~nerf;.i.cs. T},c
g're;r.Ltotyt anex~r*3cj;~ af' f;hij ax';ft;tr.t} l..at,1:~l.c,c�. hr~vt; kr~~r.tdr,rrti t~sy rnaur~3-
eite, plumbovl,o~r:~rc,;;ite :end pyromox�phite, Alrerady the givF.~n
data make possible an arif~nta�tion in the estimation of the
flotation ,properties with r. r:r;~~rd to their cape}.~ility for inter--
Card 2~3 mction oi� all mentionECl miner~r>..la }~r.}th the 1�c;r~F~c;rr};~,. '1'h~~~ :inve-
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

~'0-11)-~-3~~>'~
AUTHOxS: Anfimova, Ye. A. , Glerabots~~iy, Y. i. , P:~:~:~i.^., :; . ,
Coxresponding ?~Iar;Iber,AS USSR, Shch~vel~v~;'~~:�5.~; -._.._.~. __
TITLE: The Influence of Structural Features and Sur"ftce Properties
on the :E'r~oth Flotation Extra;~ction of Poorly Flastable Lead
Minerals (Vliyaniye 3trukturr.ykh osobennastey i poverlchnostnykh
svoysty n.a izvlecYieniye pennoy flotatsiyey trudroflotiruyemykh
svintsovykh minerwlov)
PERIODICAL: Doklady Alcademii I1auk SSSR, 19~a, Val. 119, Iir 5,
pp. g~1 -~ 963 (USSR)
ADSTRACT: The preaElnt practice of the concentration of useful ~.incrals
does not dispose of any methods for a somehow :satisfa.ctory
production of complicat~:d l.erl,cl minerals, like pyromorl~Y~ite
Pb~(P04),~Cl, mimetesite pb5(ASO~)3C1, be~l~-incite PbFez(ASO4)
(SO )(OH;16 and plumbobcjaros_~te FbFe~(S0~)~(OH)12. Tile con-
4
t,lnuaue incorip~.ate production of l.ea,d minerra.l;~ br9.n~., ;~baut
Card 1~3 important lead loses. The o~:~mp~.ic;Yted r,hemic~~l :3trr:icture rind
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APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

~i'he Influence of Ox,y~;c::n ,end ^11rtr~ataen orl tl';e :;epr>.ratj_on ~'la-.; ? .1:~ lay .~ 1 a tf~ t.i can
(V1..yrf m~~J.ectiis.r
makes pasit~le t',.Lf'. (.Let+~rrafi.n.~.t' on ~f t._' ~ ~r,~a
-.,~ i;~e ini x�oa.ut~,o.rc~cJ.i~a;MJ"t'.tilcl~ar,t c,f tY;c n`~~,lfir~~.~rri ~l1'F;c;i?q
digtr~.l~ut~ion nf' J
The iior~uniformity ~,ax~i~,ticsn coe~i'i'irient +~f. the 1~~,~ t t~pnt3 cne~
t.tze 1., ~.ttclcLra:iczg ~lc~rzuit;;~ l., 1' t,hc,
mic~~oc~.utoradic~gr�-~ah:~ by ccmapar~.son with the bl~,ckenl.zig
den:~i~ty of the et;a:lon, Radioactive monalayers are the best
r�~d~~o~~r. Live noi.tr. cr. , f'~~r the c~uflni;itative rc~cii.ography
( z~eJ' ~`i) ~ '~Y~,c cz~11-,]~c~r:; r~itr~.~~.1.ir::h~c~. CotldiG:tnnt~ (z~e~' 7) iutdt:~z�
which e, monwnal_ecult~r s.dsorption layer of xanthate :Ls formed
on 1~h~e sur~'ace of a ms..l.l plate of chemically pure gold. A
.t~ho1~c~netric �z.?~tzl.y,~l.} cif.` the au~r-c~radiographie impres;~ion
tshowcri. r.~, e:~~n;~l.ert~~ rt~~uac~p;~~rarA:I t.,y ~x(' thr inenticjrir:d t,tr~.7.on. 't'rte~
cae:fYicients ~,~ thF' tt3,Ckwar~d scattering of t;he mtLt;c~~riaL on
which the reagent was adsorbed were taken into account
becta~use of an absolute eva].uatian of the image intensity
on "th.e autorariiogrsphs o Trt consequence of the very
approximated vs.]_ues of these coePYicients (for PbS 57 d ,
Card 2~~}
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AUrI.'HORS
TITLE:
-r pd, Correspond3-nE~ Member,
Piaksirc ~._=__?-- P �
r of Sciences, [7SSR, zl~.ytseva, S
Academy
ev R. Sh�
and Sht~.feY ~ of Xanthates
Quant;i'tative biicror3.utoradiograPhy
the :iurface of CTalenite
(Kol:~dbestvennaya mikroavtoz'adiof~rafiya slayeV
ksantogenatov na pov+ex'khnost;i gal-enita)
PF~RIODICAL: DoklaC~y A.kademii I,Iauk SSSR,
5>1-55~ (t~5SR)
G~i- ~ .; ~ ~ `r i
Layers on
1958 ~ Val. 11~, I~Ir 3 ~
~~
entE~ oii the
. A non~~niform d'ist.rib~.tl.an of ise sizea~3on 500) under
ABSTRACT' �,~e of tre sulfide miner ( means
sur~:$" ir;, single cases was found by
fon'nation of poly-lsysrs a er the degree
of the mentioned metriod� ~:n the present p P
a1enite particles which have a
of nununiformity of tre g -y ~ b� flotation
00 ~.~; evaluai~ed quantitativel,/ Jere on the
size of 200'5 ~
co1lE~rtorr~ by me~~r~f~ c>f tL.n Berne method� ~nL'rast�rnicro-
part~.cles were xacl~.ograph~-~i b;! mer~'ns a.~
to the blaclcenir~~ c~i'
aut;o:cadiography (Tef 1), according ~ micro-
sir1g:Le sections of tY~.e impressions (determined bwere
2 curves of density of blackening
photometer). hotc~etric evaluation:
C~,d l~~ co~zstructed from the results of the p -
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APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

The Influence of the Electrical Potent~i.,~l on the Distribution 20-3-�x7/59
of Xanthatea on the Surface of Sulfides
from one surfacE~ place to the other. This occurc~ espF~cia.lly
in the case of si-iif Ling of the ~�ea~;ent from the upper le.yers
of a shell of sever.nl lr.iyk;rs to ~;~irf't~cf~ places still frEle
from reagent. ThF: currc;nt impu113~;.3 bi~~twc;~rr :sulfide miner,ala
at the moment of collision in ~. 0,01 n-KCl-solution f~mol>nted
to 2,0 - 2,5 m~. Such a current related to the point of
contact between the mineral particles as well as to the
depths of the Ah:~orbin~ layers produces considerable energy
gradients which are able to c~~s.nge the original distribution
of reagents thoroughly. `Phe authors observed that the
the burest:ing of an ai.r bubble Qtarts at th~a momerLt of
attachment; to any active paint. This burst spreads rapidly
on the sul~fs,ce of s~ tr~chment. '1'}ie potential is prabably
changed by an air bubble ~~pproachin~ the mineral surfacQ. Tho
change is the ~,~reater the more the bubble approached this
surface. ]:f the liquid phase is interrupted in an active
point at i;he moment of contact betpreen the air bubble and the
miners? surface s,nd than frzstenin~~; ~t~~,rts, t,hs potential
gradient on the fox~rned 3-phase limit incrF,a.sen wi tYa the
Card 3/~ inereasinf~ surfrice of attt~,chmF:;nt of the bubble to the mineral
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

` The Inf luenoe of the Electrical Potential on the Distribution 20-3-37/59
of Xanthgtee on the Surface of Sulfides
micro- and macro-elements farmed. `.Che authors measured
potentials of newly stripped sulfide minerals. For this
purpose they usbd an oscillo~r.~,phic r~Y~p~zratu3 without inertia
(Bezynertsionnaya~ with an electro-magnetic in,~ut ;~chem~e
guaranteeing; a minimum pols.riz~~tion. Idea:+u ring results ~Nera
by 15-50 ~ higher or lo~~+er th~!Tl those obtained by methods.
The forming of a chan~;~e of thF~ potential on ~~.n uneven surface
of a sulfide mineral particle is 3Yior~n scY~ematically in fig. 2.
A formed electrio field (of force affects, the further
placing of ions and molecules to be absorbed because of the
change of potential e.g. because of oxyGen absorption. '.Due
to this fact the reagent is distributed irregularly on the
surf ace. The distribution of ion:3 or molecules reduces the
importance of free ever��y to a minimum. ~1'he phenomena
occurring on the occasion of flotation are often observed
under conditions r~hich are not equilibrium-like. The
collisions of mineral particles with different potentials as
well as the physical-chemical interaction with the medium
influence the potential differences of the micro sections
of the surface. Therefore also the distribution of the
Card 2~4 reagent is influenced as well as the shifting of its layers
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

AIITYIORS: Plaksin, I. N~ Corresponding r~21~mber~ AN USSR, 20-3-;57/59
~
S a eyev, R. 511.
TITLE: The Influence of the Electrical Paten ti al an tl'ie Distribution
of Xanthates on the Suxfac~ of 1ulfides (0 vliyanii
alektricheskogo potentsiala nu :ra;~pr~adeleniye ksantcgenF~tov
na poverkhnosti sul~fidov~.
PERIODICAL: Doklady AN SSuR, 195E3, Vol. 11a, Pir ~, pp� 546-54a (IIS.~~~)
AB5TRACT: The electrical potential of a mineral in ~+ator is irre,~xlar
oNing to the irregularity of its structure. The structure,
however, is a result of the conditions of formation and
further changes of the surface. The difference of the
surface potentials influences the oxidation of sulfides.
The authors give a survey of technical literature concerning
the connection between the properties of flotation of the
surface and their potential (ref. 1-6). There exists a
relation between the irregularity of the potential, the
fastening of a flotation reager.~t and the process of attaohment
of a mineralparticle to a sma].1 gas bubble. The authors
suggest an explanation of the niecYianism ref~ulatinb the
irregular dietributian of the reagent an the surf ace of
Card 1~4 a mineral. It is based on the potential difference of the
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

Decomposli;iora of ~~I4rtI~~IJU.11 t,(-).L.]..l,riJCI~-'.5 .j 7L ~~'~,llV~~~.C~~1 ~JVi::1..~.�~/i~1Lv
coir~posa.t~.on o:~' i~~c~ h~; _i. . J i ... ~. .. . ,
1~.U`lz: ��
(1~iU.`3CUVa~ - -
+'tYi.y-l. X~:~Iil,h~:~�,F~'rirl �,~~~ :;i~~y
1'ITI~: Study of t;l1c Vii:>tz'.i.bi.~t:i_vri ~>.(` ~, ~ ,
of :~yr:a to .~~art,iclEd~~ L:~ tYlc. `~i~- i:�~c~c4 -.~f
Lime on i;hc Surface
~,uantitai;ivo j~aaio�r:~ph~ (Izuc2~iE~rii;,~~; ra..a~c,~~ccie;J t~ri ~ ,;r ..
~~nto~'~n~ ~ G~~-fi~i ni:~ ~~uv~r:~~.iino:,~,~
e tilovo�_>o k"" i;~- ,z~, i i._,v~,
c}iastits piri~t?. me�,oc~.c7~n kcal:i_~~h~~:;t;vc~ilno;/ rr,~;ii_r>t;r~:~';i.)
rLN~o�~zc1~L � z~ve a y~~ ~kaac;Yili i ,t~J~_, I~.k ~.~,a.~~,.
� t i,
i~lauk, ~.~~~~, 1`7r 11.9 p~~~ 1.~'c~~.~.~.~at~ (~US~~)
ABS LRi~C 1 : The a i:~n o f' t kie i.nve ~ ~ i- .
f ~i.a~ti~~_~!a!;z.or; oaf: f'1.,a i,~ ~;:~r; 1
radiographically ~~^dc~ r;~~.,~e:~ o
Surface O :f' ~) ~;.1. `, L c:; l E ~~ G I , ' it ~ i i iii 1 Ci
rea~en~ts ozi tale _ ~� Y r~ sulf'~-Y~i~. 1
~nineri.~ls: 1) chenio;;or~tior;_ cutt~,~r,;~~ ,~~i1~.i ~,~ ~'
Y~r ,~c;u1 ~r 1~~~,~ er.
�~ht., ~.~~ ~~; C(,)illi~,r_ti,PC� of .(iU:Clv;t:U1.` ,j ._
1: ii~~ iil ~ ~_ , ~ ~�,h ~.~u ., ..
~dF,G ~ j,`~ ~ l'1.I ~ ' � ~ 1.t.:5I"i ..'i 1.i Iu�_ !'
~cncj. ~? f ilia t !i~-;alit
selective `~epa.r~~t-~ or? ~ .~r:~ , :~ t~;_ .~~ ~.~,_i..~.- f- . - , c~1:'
' i. '
pyrit U~ ~i11~ :i~..1.0~c`J :1~~:1 [(]~'( i ~,t-~ '~' " t`" 1''~~ {'yJ-~1 i;l' clTl~~.
varic ~s ~o ,i c. _.. .i;_~ ~ ~ ~, ,~,
of ~ fac ., rs C; I"1 a~-~.:~:., , .;- , t, ~ �;' ~' , �~ r~~� ~~.~'.~ F. t
patass.i.u.m et.h~l~;~n+~l~c~- 1~ ,,1 e} ,r ,a~, ~~~-t] ur1 ca:
mi er s was �tudiQd ~, , t~. e r~ n. ~ n~,r~,s-rludted
The eri~ `" ='~ 1~ _t'a., ~_~ =z--:~- , ve ~-,-,. t~
exp ental calrp.iF; ~ 1,; , , ~, ~`, ' ~ ~ per t;eci,r,~~ c:;ue
0.06 ~. 0 ~ mm Part' ~:' ~~~ ~' " , >-~r ,~t a-.~.~y,
water9 dried iii a ~va ~,,- L.i~.J ~r:e-~,F.~ ~r~as~~~ed il~ d1~t:ill~d
C l_i7 ~ ~ .= '~ ':J r ~ r ~x .i Cl ~ : o .r. e .r~ lr~;~~�-
ec~uiv./g of air~�dry resin~~ EDE-:10Py AN-zF, Aiv-2~~G and .i~-v~_;
2) The obtained graphs can, in the first approxircation,
serve as Homographs for calculations both in refining
processes and for analytical purposes. By extrapolatin~~
these graphs (particularly in the case of resin EDE-lOP)
the concentration of the HC1 eluant ca.n be calcu~,~~,ted~
3) Both the AN-1 resin and the MI~G-1 and AID-8 resins, v;~_dcl
Cards/6 were also studied, are characterised by comparatively :i.o;~r

APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

Investigation of the Effect of
Free Hydrochloric Acid an Sox~p
PtC1612- Ion by Ion exchangers
J1,
the Concentration af' l~lritin~~rrl ar:rl
Lion of the Complex
res~.n EI7E-101' (F~.gure `1) � In this case, sorptian of ~~
in the 0.5-2.0 g/litre concentration range increases a',a
all ggncentrstion~_~ u:f' IIC~.. Ht~weve.r., when tt'te kit; caul-~
centratlon incx`er~.~e~~ tc~ ~ g/.1:i t;~.~~~, 5c~:r.~~> titlit ~~1' .I'1; ;:; 1.i ~~ kl ~, ! ;r
decreases at low HCl concentrations, tf:hile at rri~;7~ HC1
concentrations it remains constant to increase again in
the 4.0-8.0 g/litre Pt concentration range. Tr~is pY~.enomenvn
can be explained in the .folloc~rin~ manner. Tetr~~_valent
platinum is partially reduced by tl~e resin to tY~e b~..valen~~
state. As a result two Cl~~ ions separated i'rvm each
molecule of tl~e platino--Hydrochloric ac~.d 1.ri tl~lE~ aY~sF;nc:~~ f'rorc
the solution o.f excess 1o.ns of tYie oppos:itE~~ sa,~~,r~, r~t=~:ic;1:
with the hydrogen of the amine group farming; two rnc~lE:;cta.lr..:
of HC1, which lowers the pH number of tree solui ion and
consequent~.y decreases sorption of platinum. In all
probability, the partial reduction of tetravalent 1't o.nd
the subsequent reaction of the Cl_ ians with i~he active
Card4/6 groups of tY~e resa.n is accompanied by an incr.ea:~e o:~' traw
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

Investigation of
~~re~~ H drochloric
PtCl6 ~ Ion by
C
Card3/6
the Eff~ec-t oz: the
Acid on So~'ptiori
Ion-exchangers
~;~JV/.~ 4~~~`.7~`5~�ld/lei
Concentration of ~1r~tinuu, and
~.,f th~a Complex
anti tine ,:,_i~: t,ux�e
d b~Y f ~-l~F'r:ino=,, w~~,:~ added
dehydrate stir:r~e~, 'U:j'
maintained at 19 -~ 2 C way l~~'cliaiv.cal-t,Y
e,r�r~ted fr. om tYle ;;u lu ~;.;.~x~
4 hrs. The resin was t11en rep
z washed thorou~;~~~-~'
with the a.i.d of a~ez saridrburntl(together. wi~~k~1 the
kith di.stil.led wa ~, 1 UfJO C, a.f tf~:~�
f 1~ter) in a u~ui :f'~-e fu:r:�r~ace at yU4 T~1e .;u:1 to ~~rc,
a s w~~:~{~;had. :l. e.
which the abtainc;d s~,origt. w~~.
xe roduced graphically in Figures 1-8 w~iicYi ;show i;~le
P ~ e.uiv./~ of air-dry resin} a5 a
sorption of Pt (~.n m~~' ~. litz~e) ~.nd
function of the concentr~~tion �~ears(that/the two
HCl (~) in the solution. It a-pposite effect on ;~c,rptiori
investigated factors have an oPP
of Pt by all the resins used. in the prsorntianv~n~rPd~esn-,
~9ith the increasiP~ concco Ztraticnsothe rate of increase
although at high tZie HC1 corice ntr. a.t~ ~~:n
tends to approach zero. Increasing
results in a decrease of sorptaom~whatedfferent/~or the
concentration re.l-r~tionaYi.~.p ~s
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

vesti anon of the ~f fect of the Concentratilexof P1.a1%inum and
In g tion of.' the Comp
Free Hydroc'~loric Acid on Sorp
PtCl~ 2~ Ion by Ion-ea.changers
1.0 2.0 4.0 and 8% HCl and
Solutions containing 0. ~, ~ ' l,~ tinum (in all
' p. ~, 1.0, ~ A O, ~., 0 acid 8.0 g/litre P
combinations) were uaed. A11 the investigated I'e;~~-ri,3,
P l were used as supplied, ire. in the chl.ori~~
form. t Resin ~�~l supplied in the sulphate Form r~rc~:~
converted to chloride form by ~4 hour 'trEatmer-~~% .t':~.rs~
Frith a 5% sodium ca.rbonat;e solution and then witx~ a 3`,i0
hydrocb.loric acid solution. The experiments were carried
out in the following manner. The starting sol.i~tions were
prepared by di$solving refined p:Latinum in aqua rega.a,
tranaferrin.g the filtered solutions to calibrated flasks,
adding a calculated amount of HCl asdsince~ngO reliablet
to ensure the formation of complexe re area solutionsn
results could be obtained with freshly p P
The quantity of solution used in each experiment was
calculated to contain 50 mg pt� To this quantity of the
solution 100 mg of resin (parti.cl.e size -20 ~- 35 mesh j ,
ard2 6 previously soaked in distilled water for 48 flours ancl- tZaet"~
C /
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

~~~J/:1.4~j- ~F3-5-10/13
AUTHORS: Korobkin, A. A. ~~nd Yl~.kain, l o Yo
.TITI~: Investigation of the Effect of the Concentration of
Platinum and Free Hydrochloric Acid an Sorption cf the
Complex P1;C16 ~- Tory by Ton-exchangers
(Issl~dovaniye vl.iyaniya kantsentratsii svoboctnoy solyanc~y
kisloty i plating na sorbtsiyu komplekspago ions.
CPtCl6 2- ionitami)
PERTODICA~: Ixvestiya Vyashikh Uchebrlykri Zavedeniy, Tsve tne.ya
Metallurgiya, 158, Nr 5, pp UO - `err (USSR)
ABSTRACT: The five ian-exchange resins used in the present
investigati+~n were selected as being representative of t~~o:~e
most widely used in industx�y (resins AN-2F, AN-2:E,G, EDE-1.GP,
N-O and AN-~.) and also because quantitative desorption
is more easily obtained in tree case of weakly ar moderately
stran.g basic exchangers such as AN-2F and EDE-iCl'~. The
code numbers, moisture content (%) and the ash content
(in mg per 300 mg resin) Qf the resins are given in a
table on p ~1 (owing to the low value of the ash content
Cardl/6 it was neglected in the analytical weight measuremen.ts)o
APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

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a separation of E~;ses f.roz!i tiro
soluti.ori :i.n t}~G iiyilroc:,yc~Lc,~r~,
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oints vas ~?~a~ COT2'tGrr l; cl.t tir ;I'10u;;
p detezniined by rieasurir~ the ox;;~~.en
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an electrc-Cilerul.cal rlrethocl deti.cribea in e~.r?_i~r L, o,�:_
of ozie of ttie au ~r?ors (Ref 2
relating; to t:ne rC, )' ~.Prie exper.i_merlta:l r~:,,,a:lr;
jertion of the dis;ol.ve{.~ alz~ f',~-�u:;. t,,.r:
vJater iri. various ,one:; o.f' the hydrocyc loxes prove t;li~t
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APPROVED FOR RELEASE. 06/23/11 CIA-RDP86-005138001341200050-6

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