Determination of gold in gold jewellery alloys — Cupellation method (fire assay)
Dosage de l'or dans les alliages d'or pour la bijouterie-joaillerie — Méthode de coupellation (essai au feu)
39.060 - Jewellery. Including precious metals, precious and semi-precious stones
Es anulada por: ISO 11426:1997
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Ingles / Frances
