Method of making pure cobalt metal powder substantially free of

Details Method of making pure cobalt metal powder substantially free of Method of making pure cobalt metal powder substantially free of

1991-10-28

1992-10-13

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

75369, 75371, 75374, 423139, B22F 900, C22B 2300

Patent

active

051547570

ABSTRACT:
A method for producing pure cobalt metal powder involves the removal of divalent cationic impurities from a trivalent hexamine cobalt chloride solution. This solution is then decomposed to an insoluble cobalt oxide-containing material, from which pure cobalt metal powder is obtained through a chemical reduction process.

REFERENCES:
patent: 4108640 (1978-08-01), Wallace et al.
patent: 4469505 (1984-08-01), Cheresnowsky et al.
patent: 4612039 (1986-09-01), Scheithauer et al.
patent: 4705559 (1987-11-01), Miller

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