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ISO 5724:2023

Jewellery and precious metals — Determination of very high purity gold — Difference method using ICP-MS

Publication date:   Aug 15, 2023

General information

60.60 Standard published   Aug 15, 2023

ISO

ISO/TC 174 Jewellery and precious metals

International Standard

39.060   Jewellery

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Scope

This document specifies an analytical procedure for the determination of very high purity gold with a nominal content of and above 999,99 ‰ (parts per thousand, by mass), using an inductively coupled plasma mass spectrometer (ICP-MS).

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PUBLISHED
ISO 5724:2023
60.60 Standard published
Aug 15, 2023