Alkaline plating baths and electroplating process

Details Alkaline plating baths and electroplating process Alkaline plating baths and electroplating process

1980-07-17

1982-10-26

Edmundson, F.

Chemistry: electrical and wave energy

Processes and products

204DIG2, C25D 356

Patent

active

043560679

ABSTRACT:
Cyanide-free plating baths for the electrodeposition of copper and zinc alloys comprise aqueous alkaline mixtures which contain copper and zinc ions and a chelating agent selected from glucoheptonic acid and its salts. Processes for electroplating using the bath and for removing the metal ions from the spent baths by pH adjustment are also disclosed.

REFERENCES:
patent: 2700646 (1955-01-01), Chester
patent: 3111465 (1963-11-01), Passal
patent: 3219560 (1965-11-01), Leenders et al.
patent: 3642591 (1972-02-01), Boose et al.
Ratajczak, L'Industrie Chimique, vol. 56 pp. 35, 36, 2/69.

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