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>BS EN ISO 11490:2023 - TC Tracked Changes. Jewellery and precious metals. Determination of palladium. Gravimetry using dimethylglyoxime
sklademVydáno: 2023-03-13
BS EN ISO 11490:2023 - TC Tracked Changes. Jewellery and precious metals. Determination of palladium. Gravimetry using dimethylglyoxime

BS EN ISO 11490:2023 - TC

Tracked Changes. Jewellery and precious metals. Determination of palladium. Gravimetry using dimethylglyoxime

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Označení normy:BS EN ISO 11490:2023 - TC
Počet stran:34
Vydáno:2023-03-13
ISBN:978 0 539 26319 0
Status:Tracked Changes
DESCRIPTION

BS EN ISO 11490:2023 - TC


This standard BS EN ISO 11490:2023 - TC Tracked Changes. Jewellery and precious metals. Determination of palladium. Gravimetry using dimethylglyoxime is classified in these ICS categories:
  • 39.060 Jewellery
This document specifies a gravimetric method for the determination of palladium on a material considered homogeneous. The palladium content of the sample lies preferably between 50 and 999 parts per thousand (‰) by mass. Fineness above 999 ‰ 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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