Method for producing copper powder

Details Method for producing copper powder Method for producing copper powder

1996-02-05

1998-04-21

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Processes

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

423 43, B22F 924

Patent

active

057413479

ABSTRACT:
A method for stably producing a copper powder having a low degree of oxidation comprises generating copper hydroxide by adding an alkali to an aqueous solution containing copper ions, and reducing the copper hydroxide to obtain copper powder as a precipitate by adding hydrazine or a hydrazine compound to the aqueous solution until the aqueous solution yield a pH value in a range of from about 7 to 9.

REFERENCES:
patent: 5308501 (1994-05-01), Eckert

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