30.20 Sep 19, 2025
ISO
ISO/TC 174
International Standard
This document describes an analytical procedure for the determination of platinum in platinum alloys with a nominal content up to 990 ‰ (parts per thousand), including alloys according to ISO 9202.
PUBLISHED
ISO 11494:2019
PROJECT
ISO/CD 11494
30.20
CD study/ballot initiated
Sep 19, 2025
Jewellery and precious metals — Determination of platinum — ICP-OES method using an internal standard element
10.99 New project approved
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