ISO 11494
Jewellery and precious metals — Determination of platinum in platinum alloys — ICP-OES method using an internal standard element
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| Organization: | ISO |
| Publication Date: | 1 July 2019 |
| Status: | active |
| Page Count: | 14 |
| 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
ISO 11494
July 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.
December 1, 2014
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...
August 15, 2008
Jewellery - Determination of platinum in platinum jewellery alloys - Inductively coupled plasma (ICP) solution-spectrometric 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...