Chemistry: electrical and wave energy – Processes and products
Patent
1984-03-13
1984-12-11
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
204 431, C25D 362, C25D 364
Patent
active
044876645
ABSTRACT:
Bright, low carat gold-silver-alloy coatings which are ductile and have a thickness up to over 100 .mu.m are obtained from an electrolytic bath containing 0.5 to 25 g/l of gold in the form of alkali gold cyanide, 0.25 to 15 g/l of silver in the form of alkali silver cyanide and 10 to 200 g/l of alkali cyanide as well as 0.001 to 5 g/l of tellurium in the form of a water soluble tellurium compound.
REFERENCES:
patent: 4121982 (1978-10-01), Moriarity
Dorbath Bernd
Giesecke Norbert
Schlodder Rainer
Degussa - Aktiengesellschaft
Kaplan G. L.
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