Palladium electroplating procedure

Details Palladium electroplating procedure Palladium electroplating procedure

1982-04-15

1983-03-22

Warren, Charles F.

Chemistry: electrical and wave energy

Processes and products

423592, 204 47, C25D 350, C25D 352

Patent

active

043774504

ABSTRACT:
A palladium electroplating procedure is described in which the bath is replenished by palladium hydroxide made in a special way. The palladium hydroxide is made by oxidation of palladium diammine dichloride in alkaline aqueous solution using hypochlorite ion as the oxidizing agent. Palladium hydroxide is ideal as a replenishing agent for palladium electroplating baths because it neutralizes hydrogen ions produced in the electroplating process and does not yield anions that accumulate in the bath.

REFERENCES:
patent: 4153523 (1978-05-01), Koontz et al.
patent: 4230538 (1980-10-01), Turner
patent: 4310392 (1982-01-01), Kohl
E. M. Wise entitled Palladium; Recover, Properties, and Uses, Academic Press, New York, 1968, Chapter 6.

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