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2 017 842

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C1

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IPC

(21) (22)

Application

5012701/02, 1991-11-21

(22)

Actual filing date

1991-11-21

(45)

Published

1994-08-15

(72)

Inventor

Karaev V.G.Maslikov S.T.Davydov A.M.Ustichenko N.A.Lolejt S.I.Il'Chenko G.A.Meretukov M.A.

(73)

Holder

Karaev Viktor GaboevichMaslikov Sergej Timofeevich

METHOD OF REPROCESSING OF ALLOYS CONTAINING NOBLE METALS ON THE BASIS OF COPPER AND/OR ZINC Russian patent published in 1994 - IPC

Abstract RU 2017842 C1

FIELD: reprocessing of metallic waste. SUBSTANCE: initial material containing more than 45% noble metals is dissolved in nitric acid. Noble metals are extracted from solution by cementing alloys. Alloy-cementer must have developed surface. EFFECT: improved method of noble metals extraction. 4 cl

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RU 2 017 842 C1

Authors

Karaev V.G.

Maslikov S.T.

Davydov A.M.

Ustichenko N.A.

Lolejt S.I.

Il'Chenko G.A.

Meretukov M.A.

Dates

1994-08-15—Published

1991-11-21—Filed

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