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AS 3515.3:2019 Gold and gold bearing alloys Determination of gold content (greater than 99.5 %) - Gravimetric (fire assay) method
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This Standard sets out a gravimetric procedure for the determination of gold content in gold alloys. This method is applicable to gold and gold alloys containing more than 99.5 % gold and < 0.05 % rhodium and < 0.05 % tungsten.