Process for electroplating palladium

Details Process for electroplating palladium Process for electroplating palladium

1982-12-10

1984-08-28

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

423 22, 423351, 423387, C25D 352

Patent

active

044682964

ABSTRACT:
The invention is a process for electroplating palladium in which at least part of the palladium in the electroplating bath is added as a palladium ammine hydroxide. Both the solid form of and solution form of palladium ammine hydroxide are useful in supplying palladium to the palladium electroplating bath. Both solution and crystals are chemically stable and can be stored for long periods of time. Further, use of the palladium ammine hydroxide compounds permit replenishment without accumulation of undesirable ions in the bath and also neutralizes hydrogen ions formed in the plating process.

REFERENCES:
patent: 3925170 (1975-12-01), Skomoroski et al.
Canadian Journal of Chemistry, vol. 50, "Hydroxy Complexes of Platinum (II) and Palladium (II)", pp. 3694-3699, (1972).
Encyclopedia of Electrochemistry, C. A. Hampel, pp. 448-456 and 726-735, (1964).

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