Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1982-08-31
1983-09-27
Vertiz, O. R.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75121, 75251, 420434, B22F 916, C22B 1106
Patent
active
044066937
ABSTRACT:
Contaminated iridium is refined by alloying it with an alloying agent selected from the group consisting of manganese and an alloy of manganese and copper, and then dissolving the alloying agent from the formed alloy to provide a purified iridium powder.
REFERENCES:
patent: 3841863 (1974-10-01), Caldwell et al.
patent: 3876747 (1975-04-01), Pittie et al.
F. S. Clements, "Twenty-Five Years' Progress in Platinum Metals Refining," The Industrial Chemist, Jul. 1962, pp. 345-354.
Rare Metals Handbook, Second Edition, Reinhold Publishing Corporation, pp. 304-315 and 326-335.
Heestand Richard L.
Heshmatpour Bahman
Besha Richard G.
Grant Edwin D.
Hamel Stephen D.
Stoll Robert L.
Vertiz O. R.
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