GB/T 9288-2006
AbolishedGold jewellery alloys - Determination of gold - Cupellation method (fire assay)
金合金首饰 金含量的测定 灰吹法(火试金法)
Application Summary AI generated
This standard specifies the cupellation method (fire assay) for determining the gold content in gold jewellery alloys. It is applied in the jewellery industry for quality control and certification of gold purity in finished products, such as rings, necklaces, and bracelets, as well as in raw alloy materials. The method is used by testing laboratories and regulatory bodies to ensure compliance with gold content standards for commercial and hallmarking purposes.
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