Method for activating metal particles

Details Method for activating metal particles Method for activating metal particles

1982-09-30

1984-10-16

Lusignan, Michael R.

Metal treatment

Compositions

Heat treating

75 05A, 148 615R, 148 627, 252513, 252514, C23C 110, C22C 104, B22F 900, C22B 1104

Patent

active

044772963

ABSTRACT:
A method for activating the surface of finely divided particles of conductive metals having a thin surface coating of an oxide of the conductive metal comprising the steps of (a) treating the surface with an aqueous solution of a reducing agent when the conductive metal is a noble metal and either a reducing agent for the oxide or an inorganic acid when the conductive metal is a base metal, (b) washing the surface of the treated particles with an aqueous liquid, and (c) drying the surface of the washed particles.

REFERENCES:
patent: 3617253 (1971-11-01), Amiet
patent: 3771996 (1973-11-01), Short
patent: 3992192 (1976-11-01), Vartanian

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