Standard NBN EN ISO 11494:2019
Jewellery and precious metals - Determination of platinum in platinum alloys - ICP-OES method using an internal standard element (ISO 11494:2019)
Status
:
Active
Publication date
:
9/2019
Languages
:
EN/FR/DE
ICS
:
39.060 Jewellery
Summary :
This document describes an analytical procedure for the determination of platinum in platinum alloys with a nominal content up to 990 ‰ (parts per thousan
d), including alloys according to ISO 9202.
d), including alloys according to ISO 9202.