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)

Standard No.

EN ISO 11494:2019

Release Date

2019

Published By

European Committee for Standardization (CEN)

Status

Withdraw 2020-02

Latest

EN ISO 11494:2019

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.

EN ISO 11494:2019 history

• 2019 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)
• 2016 EN ISO 11494:2016 Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element (ISO 11494:2014)