tungsten filament

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    Separating Pd and Ag from Tungsten filaments

    We have about 80+ lbs. of pure Tungsten filaments used to evaporate an 80( Ag )/20( Pd ) alloy. The residue of Pd/Ag is about 3-4% by weight. What is the best method to strip the Pd & Ag and preserving the Tungsten metal for separate recycling ? Then , how best to separate the Pd and Ag into...
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