CEN - EN ISO 11494
Jewellery and precious metals - Determination of platinum in platinum alloys - ICP-OES method using an internal standard element
active, Most Current
| Organization: | CEN |
| Publication Date: | 1 August 2019 |
| Status: | active |
| Page Count: | 16 |
| ICS Code (Jewellery): | 39.060 |
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.
Document History
EN ISO 11494
August 1, 2019
Jewellery and precious metals - Determination of platinum in platinum alloys - ICP-OES method using an internal standard element
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.
October 1, 2016
Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element
This International Standard describes a method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness specified in ISO 9202, by means of inductively...