Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1975-03-18
1977-01-11
Ozaki, G.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75115, 75118R, 75121, 423 36, 423 52, 423 98, 423109, 423146, C22B 1104
Patent
active
040024695
ABSTRACT:
This invention relates to refining platinum group metal concentrate and the separation therefrom of silver and the majority of base metals which are present in them. In more detail, the process comprises the steps of:
REFERENCES:
patent: 381809 (1988-04-01), Oxland et al.
patent: 1305788 (1919-06-01), Ferguson
patent: 2098025 (1937-11-01), Booge et al.
McGuire George
Oliver Raymond Edward
Matthey Rustenburg Refiners (Pty) Ltd.
Ozaki G.
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