Method and compositions for electroplating copper and brass

Details Method and compositions for electroplating copper and brass Method and compositions for electroplating copper and brass

1976-06-01

1977-07-12

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 52R, 204224R, C25D 502, C25D 506, C25D 338

Patent

active

040352463

ABSTRACT:
An improved method of plating a workpiece with brass or copper which involves first applying an aqueous solution containing Rochelle salt, an alkali metal carbonate, and a surfactant to the workpiece without electrical current being applied, and thereafter rubbing the same solution into the workpiece while applying an electroplating current between a brass or copper anode and the workpiece. The invention is also concerned with the compositions used as electrolytes in this process.

REFERENCES:
patent: 3746627 (1973-07-01), Rapids
patent: 3755089 (1973-08-01), Rapids
patent: 3798138 (1974-03-01), Ostrow et al.
patent: 3923613 (1975-12-01), Immel
Modern Electroplating, Frederick Lowenheim, 1963 pp. 158-167.

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