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Application

97108762/02, 1997-05-29

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Actual filing date

1997-05-29

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Published

1998-05-10

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Inventor

Draenkov A.N.Tatarintsev A.N.Kutilov V.A.Zvontsov B.F.Kovalev V.V.Karmannikov V.P.Klimenko M.A.Eljutin A.V.Fedulova T.V.Frolova I.V.Jurasova O.V.

(73)

Holder

Karmannikov Vladimir Pavlovich

METHOD OF PREPARING HIGH-PURITY GOLD Russian patent published in 1998 - IPC

Abstract RU 2110592 C1

FIELD: precious metal affinage. SUBSTANCE: initial solution containing 80-95% gold polluted by iron, tin, lead, platinum metal, and other admixtures is subjected to extraction with tributyl phosphate to recover gold. Extract solution is washed by water and/or electrolyte solutions: sodium sulfate, sodium chloride, hydrochloric acid. Separated and washed, gold is 99.999% pure. EFFECT: increased gold affinage degree.

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RU 2 110 592 C1

Authors

Draenkov A.N.

Tatarintsev A.N.

Kutilov V.A.

Zvontsov B.F.

Kovalev V.V.

Karmannikov V.P.

Klimenko M.A.

Eljutin A.V.

Fedulova T.V.

Frolova I.V.

Jurasova O.V.

Dates

1998-05-10—Published

1997-05-29—Filed

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