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ISO 5724:2023

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

General information

Valid from 15.08.2023
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.08.2023
Main
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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