Résumé
This document describes an analytical method for the determination of gold in jewellery alloys with a nominal content of up to 990 ‰ (per mil), including alloys according to DIN EN ISO 9202 using inductively coupled plasma emission spectrometry. Preferentially the gold content of the alloys lies between 50 ‰ (parts per thousand) and 990 ‰ gold.
Informations générales
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État actuel: ProjetStade: Nouveau projet enregistré au programme de travail du TC/SC [20.00]
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Edition: 1
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Comité technique :ISO/TC 174
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