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Ted Mooney, P.E. RET
Pine Beach, NJ
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for Metal Finishing since 1989
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How to plate Purple Gold?
Hello, I am working on plating a purple gold similar to purple gold alloy. I would like to know if any one has any work done in this area and wondered if they would share. I am currently pursuing a Cobalt solution but am having trouble maintaining good adhesion of the plated material. I have shied away from Cn due to our environmental/cost boundaries.
Gus ThunbergEmployee - SLC, Utah
January 23, 2008
Hi Gus,
You can use a little sodium copper cyanide and sodium silver cyanide this will work together with sodium gold cyanide in the solution. The silver will show a green color and copper a red tone and together with gold you get a purple or pink color because of how much you add of it into the gold solution.
Regards
Anders Sundman
4th Generation Surface Engineering
Consultant - Arvika,
Sweden
February 21, 2008
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