[Jewelry making - Article 00499] - Re: [Orchid] Recycling Polish Dust...Take 2

[Peter W . Rowe]

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>      just to add to J Tylers post after burning run a magnet over the
>     residue to pull out any iron particles. it will greatly improve
>     the melt. andrew goodell 

    One caution here.  If you process any cobalt/platinum work, know
    that cobalt/platinum alloys are magnetic enough to be picked up by
    your magnet when you thought you were just removing iron.   That makes
    for costly dust you might be throwing away... 

    Personally, if it's mixed metal sweeps or other waste, I use a
    magnet to remove sawblades and larger bits that are easily identified
    as steel waste, but the dust goes back in the waste that might
    contain gold or platinum, since now and then some of the platinum
    things we work on are the cobalt alloys. 

Peter


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