Palladium compound synthesis procedure

Details Palladium compound synthesis procedure Palladium compound synthesis procedure

1984-06-14

1985-04-23

Doll, John

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C25D 352

Patent

active

045129630

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 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: 2452308 (1948-10-01), Lambros
patent: 4377450 (1983-03-01), Okinaka
Patent Application Abys-Trop 1-1 Ser. No. 239,151, filed Feb. 27, 1982.
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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