Jewellery and precious metals — Determination of gold — Cupellation method (fire assay)
Joaillerie, bijouterie et métaux précieux — Dosage de l'or — Méthode de coupellation (essai au feu)
39.060 - Jewellery. Including precious metals, precious and semi-precious stones
Anula a: ISO 11426:2014
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Ingles / Frances