40.60 Close of voting Apr 1, 2023
ISO
ISO/TC 174 Jewellery and precious metals
International Standard
39.060 Jewellery
Draft
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.
IN_DEVELOPMENT
ISO/DIS 5724
40.60
Close of voting
Apr 1, 2023