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sklademVydáno: 2020-02-24
BS EN ISO 11494:2019 - TC
Tracked Changes. 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 - TC |
Vydáno: | 2020-02-24 |
ISBN: | 978 0 539 07894 7 |
Status: | Tracked Changes |
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BS EN ISO 11494:2019 - TC
This standard BS EN ISO 11494:2019 - TC Tracked Changes. 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.