OS GSO ISO 5724:2025

ISO 5724:2023
Omani Standard   Current Edition · Approved on 14 October 2025

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

OS GSO ISO 5724:2025 Files

English 9 Pages
Current Edition Reference Language
OMR 30.98

OS GSO ISO 5724:2025 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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