Method for producing cobalt metal powder

Details Method for producing cobalt metal powder Method for producing cobalt metal powder

1981-09-10

1982-09-07

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75109, 75119, C22B 2304

Patent

active

043482244

ABSTRACT:
In a process for producing fine size cobalt metal powder from scrap material containing brazing compositions, the scrap is digested with hydrochloric acid to produce an aqueous cobalt acid chloride solution containing copper and silver ions which ions are removed by cementation with iron to result in a cobalt chloride solution which is processed to fine cobalt metal powder.

REFERENCES:
patent: 4214894 (1980-07-01), Ritsko et al.
patent: 4214895 (1980-07-01), Gingerich et al.
patent: 4233063 (1980-11-01), Ritsko et al.

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