[Jewelry making - Article 00084] - Re: [Orchid] Plating Silver with Paladium, Rhodium

[hans]

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Hi Noel,

>     Even if the platinum-alloyed sterling darkens eventually, it might
>     be a huge improvement. How did you like working with it? 

    Works just like normal silver. Maybe a bit harder. The 10% solution
    is definitely harder. The fun was in alloying it. I thought that the
    platinum would sort of dissolve into the molten silver like copper
    does when you alloy sterling silver. However, this proved not to be
    the case at all..I had to use a new platinum crucible and heat the
    platinum to melting point. Then I added the silver in slowly. The
    silver did not like to be heated so hot and I had clouds of silver
    smoke in the workshop. It is a bit of a schlep. I had a closer look
    at my watchstrap ( I took it off, ha ha ) and both platinum alloys
    have no tarnish on. I haven't worked with it much other than making a
    watch strap for my one year test... 

Cheers, Hans.
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