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Problems of gold plating onto copper jewelry

I galvanize organic products on copper and then gold or silver plate them (leaves, seeds, shells) to make jewelry. I don't get a good bright finish. Should I tin plate the copper before gold plating for an excellent result?
Thanks,

Hernando Durana
Artisan jeweler - Bogota, Colombia
March 1, 2010

Hi, Hernando. No, you should nickel plate them or, even better because it is non-allergenic, white bronze plate them before gold plating.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
March , 2010

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