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sklademVydáno: 2019-09-05
BS EN ISO 11494:2019
Jewellery and precious metals. Determination of platinum in platinum alloys. ICP-OES method using an internal standard element
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| Označení normy: | BS EN ISO 11494:2019 |
| Počet stran: | 16 |
| Vydáno: | 2019-09-05 |
| ISBN: | 978 0 539 00529 5 |
| Status: | Standard |
DESCRIPTION
BS EN ISO 11494:2019
This standard BS EN ISO 11494:2019 Jewellery and precious metals. Determination of platinum in platinum alloys. ICP-OES method using an internal standard element is classified in these ICS categories:
- 39.060 Jewellery
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.