C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/44 (2006.01) C22B 3/46 (2006.01)
Patent
CA 2077488
ABSTRACT OF THE DISCLOSURE To separate rhodium from organic solutions, organic- aqueous mixtures or aqueous solutions containing complexing agents, metallic bismuth, bismuth oxide, bismuth hydroxide or another reducible bismuth compound is added at 50 to 250°C as a precipitating agent, optionally with a reducing agent, and the precipitate is worked up. The corresponding antimony compounds can also be used in place of bismuth.
Gerner Roland
Kleinwachter Ingo
Kleiss Karlheinz
Aktiengesellschaft Degussa
Marks & Clerk
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