GovernmentFiles.ioDeclassified Intelligence Archive

CIA • 1967

SCIENTIFIC ABSTRACT LEONOV, S.B. - LEONOV, V.D.

SOV/149-58-4-17/26 Elimination of Harmful Effects of Flotation Reagents on Concentrate Cyaniding the same experiments were carried out in a laboratory mixer (5 litre, capacity) a large quantity of froth was formed when unwashed concentrate was cyanided, with the result that only ?2% of gold was recovered from this material as compared with 88% recovered from the washed concentrate. In the last series of experiments the froth formed during cyaniding was continuously broken up by mechanical means....
S
Declassified

Timeline

Created
Nov 2, 2016
Released
Jul 12, 2001
Publication
Dec 31, 1967
Case number

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Metadata

Document #

CIA-RDP86-00513R000929230006-0

Case #

Document Type

CREST

Collection

Scientific Abstracts

Release Decision

RIF

Original Classification

S

Sequence

6

Pages

100 pages

File Size

4.19 MB