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sklademVydáno: 2019
ISO 11494:2019
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: | ISO 11494:2019 |
Počet stran: | 6 |
Vydání: | 3 |
Vydáno: | 2019 |
DESCRIPTION
ISO 11494:2019
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.