Carl: To do it correctly it's a no brainer if you thoroughly understand
electroplating, have access to multiple plating and cleaning chemistries,
various anodes and a variable DC power source. There are also issues with
things like cyanide and acids.

To do it right you are going to have to apply a copper strike plate, nickel
overplate, then gold plate with associated cleaning and activation steps
along the way. I have successfully done this both in the lab and in
production many times but if you don't know what you're doing you'll end up
with a mess.

There are some other short cut process where you can put a thin layer of
gold directly over the silver but it doesn't look as good and will dissipate
over time. Something you probably wouldn't want of a 50th anniversary gift
with your name on it.

My advice would be to contact one of the decorative plating shops in the
Portland Oregon area.



Good Luck

Michael Barmuta

Staff Engineer

Fluke Corp.

Everett WA

425-446-6076








-----Original Message-----
From: Carl VanWormer [mailto:[log in to unmask]]
Sent: Friday, February 21, 2003 9:27 AM
To: [log in to unmask]
Subject: [TN] Off Topic Request . . .


I need to gold plate a "silver" half dollar for a 50th (golden) wedding
anniversary gift.  Is there an easy way to do this?  Is there anything that
I should watch out for, or is this a "no-brainer" simple process?  I am
located in the Pacific Northwest.
Thanks,
Carl





Carl Van Wormer
Cipher Systems
1815 NW 169th Place, Suite 5010
Beaverton, OR  97006
Phone (503)-617-7447    Fax (503)-617-6550



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