METHOD OF RECOVERING MICROQUANTITIES OF OSMIUM FROM GAS PHASE Russian patent published in 1998 - IPC

Abstract RU 2112588 C1

FIELD: precious metal recovery from poor sources. SUBSTANCE: method includes absorption of osmium tetraoxide by alkali followed by sorption using silica materials chemically modified by thiourea derivatives. EFFECT: enhanced osmium recovery efficiency and simplified technology. 1 tbl

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RU 2 112 588 C1

Authors

Bakhvalova I.P.

Bakhtina M.P.

Volkova G.V.

Losev V.N.

Trofimchuk A.K.

Dates

1998-06-10—Published

1996-03-12—Filed