UNE-EN ISO 11494:2017
Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element (ISO 11494:2014)

Standard No.

UNE-EN ISO 11494:2017

Release Date

2017

Published By

AENOR

Status

Be replaced

Replace By

UNE-EN ISO 11494:2019

Latest

UNE-EN ISO 11494:2019

UNE-EN ISO 11494:2017 history

• 2019 UNE-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) (Endorsed by Asociación Española de Normalización in November of 2019.)
• 2017 UNE-EN ISO 11494:2017 Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element (ISO 11494:2014)