ISO/DIS 5724

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

General information

40.60 Close of voting   Apr 1, 2023

ISO

ISO/TC 174 Jewellery and precious metals

International Standard

39.060   Jewellery

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Scope

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

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ISO/DIS 5724
40.60 Close of voting
Apr 1, 2023