Fire refining precious metals assay method

Details Fire refining precious metals assay method Fire refining precious metals assay method

C - Chemistry, Metallurgy

22

B

C22B 11/02 (2006.01)

Patent

CA 2112605

ABSTRACT OF THE DISCLOSURE A new environmentally safe fire refining precious metal assay method is provided wherein bismuth oxide is used with a special flux composition as the precious metal collector and the cupelling procedure is performed in a controlled temperature range.

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