Borrador del Comité
ISO/CD 19919
Jewellery and precious metals — Determination of silver — ICP-OES method using an internal standard element
Reference number
ISO/CD 19919
ISO/CD 19919
Edition 1
© ISO 2024
Borrador del Comité
Resumen
This document describes an analytical method for the determination of silver 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 silver content of the alloys lies between 50 ‰ (parts per thousand) and 990 ‰ silver. NOTE Lower contents of silver can be analyzed with this method.
Informaciones generales
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Estado: En desarrolloEtapa: Cierre del periodo de observaciones [30.60]
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Edición: 1
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Comité Técnico :ISO/TC 174ICS :39.060
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