[Jewelry making - Article 00082] - Re: [Orchid] Little Torch: switching over?

[Bruce Holmgrain]

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Peter,

    A lot of years before I knew better, I melted platinum either beaded
    up on a steel surface or melted in a cavity in a charcoal block. No
    silicates involved. My experiences have shown me that embrittlement
    indeed followed the charcoal treatment. Likewise, heating the
    platinum in oxygen to a bright yellow heat would bring the platinum
    back to a usable state. 

    Try it. It is only by others validating the experience that such
    data can be proven. 

Bruce

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