GSO ISO 5724:2025
ISO 5724:2023
Gulf Standard
Current Edition
·
Approved on
14 October 2025
Jewellery and precious metals — Determination of very high purity gold — Difference method using ICP-MS
GSO ISO 5724:2025 Files
English
9 Pages
Current Edition
Reference Language
OMR
31.87
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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