[Jewelry making - Article 00351] - Re: [Orchid] Rhodium plating anomaly

[Mark Parkinson]

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Goo

>     i plat the high pd white gold and have no problems and plat with
>     no problem. do you think there could be an oxide that is forming
>     on the surface of the metal ? maybe something that has a similar
>     nature to the oxide that forms on aluminum? 

    I don't know why you would have a problem when using pd white gold in
    combination with platinum. I wouldn't think you should have any
    unusual oxidation. Even if there was, it should have been removed
    during the polishing process, and everything should rhodium plate
    just fine. Micro pitting would make it appear like it wasn't plating,
    but you would have noticed that. I'm stumped. 

Mark
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