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Re: [Orchid] What is Jewelry bombing  
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From: wayne
Date: Thu Jan 05 06:09:52 2006
 
     
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>     This only works if the stripping solution has been used a bit
>     beforehand - to saturate it with gold. I never understood why the
>     gold reverse plated back out and the copper stayed behind? John
>     Burgess wanna take a crack at this?

    I'm Not John Bugess, but I think I know the answer.. Different
    metals will plate out of a solution at different voltages, this is a
    result of different oxidation potentials. The metal with the lowest
    E-zero value will plate out first is I recall corectly. And is also
    the reason why Iron will go into solution deducing copper out of
    solution giving that wonderful copper plating effect when one puts a
    silver piece into pickle with iron binding wire attached. 

WayneM

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