ISO 11490:2023
International Standard
Current Edition
·
Approved on
17 February 2023
Jewellery and precious metals — Determination of palladium — Gravimetry using dimethylglyoxime
ISO 11490:2023 Files
English
6 Pages
Current Edition
20.1 OMR
ISO 11490:2023 Scope
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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