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prEN ISO 11494

Jewellery and precious metals - Determination of platinum - ICP-OES method using an internal standard element (ISO/DIS 11494:2026)

Publication date:   Jul 30, 2026

General information

40.60   Close of voting   Oct 20, 2026

CEN

CEN/TC 410 Consumer confidence and nomenclature in the diamond industry

European Norm

39.060   Jewellery

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Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 11494:2019

NOW

IN_DEVELOPMENT
prEN ISO 11494
40.60 Close of voting
Oct 20, 2026