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gold refining machine manufacturer gold and silver assaying

Gold, platinumand silverscrap content, evaluation and processing at Midwest Refineries, LLC. Methods of determining the precise purity ofgold, platinumand silvermetals by fireassay, inductively coupled plasma optical emission spectroscopy, ICP-OES, x-ray fluorescence, XRF. Testing andassayprocedures, weighing and melting ofgold,silverand platinum for precious metal content.

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