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sklademVydáno: 2023-04-01
UNE EN ISO 11490:2023
Jewellery and precious metals - Determination of palladium - Gravimetry using dimethylglyoxime (ISO 11490:2023) (Endorsed by Asociación Española de Normalización in April of 2023.)
Joyería y metales preciosos. Determinación de paladio. Método gravimétrico mediante dimetilglioxina. (ISO 11490:2023). (Ratificada por la Asociación Española de Normalización en abril de 2023.)
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| Označení normy: | UNE EN ISO 11490:2023 |
| Počet stran: | 15 |
| Vydáno: | 2023-04-01 |
| Status: | Norma |
Popis
UNE EN ISO 11490:2023
This document specifies a gravimetric method for the determination of palladium in palladium alloys. The palladium content of the sample lies preferably between 50 and 999 parts per thousand (0 ). Fineness above 999 0 can be determined using a spectroscopy method by difference (e.g. ISO 15093). This method is also intended to be used as one of the recommended methods for the determination of fineness in jewellery alloys covered by ISO 9202.
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