Electrolytic process for silver oxidation

Chemistry: electrical and wave energy – Processes and products

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C25D 1100, C25D 906

Patent

active

040480259

ABSTRACT:
A process for oxidation of silver and silver-plated articles having a violet or dark red decorative corrosion resistant coating by using an alternating current and as the electrolyte, a cupric chloride solution of concentration of 5 to 15 g/l.

REFERENCES:
"The deposition potential of Co. Ni & Cu from chloride solutions, " The Electrochem Soc., Oct. 6, 1941, pp. 102-105.

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