SCIENTIFIC ABSTRACT NAGY, D. - NAGY, D.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001136010001-8
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 4
• Document Creation Date: January 3, 2017
• Document Release Date: July 31, 2000
• Sequence Number: 1
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

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S/08 1/62/000/002/0-0/ 107
Bi C~11 /B 108
AUTHORS! Upor, E. ,
TITLE,. Application Of thoriuni hydrox~klf- as a
carbonate SCOarflitiOn Of UVallLUM
PERIODICAL Relferativnyy nurnal, Khimiya, no, 2. 1962, 7 111
abstract 2D2) (Acta chim. Acad. scient nung'' v 2-9,
-A 1)
nos. 1-2, 1 61, 2,97-295)
TEXT, It is established that in 41-110 carbonate separation of' uranium Tli 4t
added to the Fp-,-,onl,aininf,, material reduces the U lossos from ud;jorot lor,
on to the Fe(oil), precipi tate. It is inferred that tliis is 1jecausa-01'
the preferential adsorption of Th(011) 4 on to the Fe(OH), cimpared with
that of UO (OK) lo reduce the interference of J`n in
2 2-
fluorimetric Jetermination of the U the 611ution mpfboo
t,l , the metilnd J
known wHition.,j, or treatmont of the precinitate '?,ith hot, 0,11,1 solut. 'it'll
of Na 2"1 03arr, recomcendell or the "ninoral i-.-,
Card 112

S/08 1 /62/000/002/0~'
AppI icaL ~,;11 ol, thorium . . . 'I'll r; 0310o
with concentrated IICI and if 0 Ine solution is e-zaporaterl to dryrle-"
2 2'
20 mfr, of T;: are added , and the solut ion is diluted to 10J ml wi th a
0. 1-0,5;',l solution of Na2CO 3' Part of the solution is N Itered .
0,,2-1 ml of the f-i ttrate is mixed %,th ITaF solution and evaporutel to
y n e s s ~Frwil the dry regidue beads of about ',I mi., are preparel by the
dr I )
usual method and the fluorescence of these is LISed to determine '.hp-
U content. (Abstracter's note-, Complete translation
Card 212