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Jewellery and precious metals. Determination of gold. Cupellation method (fire assay).

Jewellery — Determination of gold in gold jewellery alloys — Cupellation method (fire assay)

Jewellery and precious metals — Determination of gold — Cupellation method (fire assay)

Overview - ISO 11426:2021 (Cupellation method / fire assay) ISO 11426:2021 specifies a cupellation (fire assay) method for the determination of gold in homogeneous materials, primarily used for jewel…