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ISO 19919:2025

Jewellery and precious metals — Determination of silver — ICP-OES method using an internal standard element

Publication date:   Nov 25, 2025

General information

60.60   Standard published   Nov 25, 2025

ISO

ISO/TC 174 Jewellery and precious metals

International Standard

39.060   Jewellery

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Scope

This document specifies an analytical method for the determination of silver on a material considered homogeneous. The silver content of the samples lies preferably between 50 ‰ (parts per thousand) and 990 ‰ (parts per thousand). Fineness above 990,0 ‰ can be determined using a spectroscopy method by difference (see ISO 15096).
NOTE            Lower contents of silver can be analysed according to this method.

Life cycle

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PUBLISHED
ISO 19919:2025
60.60 Standard published
Nov 25, 2025