EN ISO 11490:2023现行
Jewellery and precious metals - Determination of palladium - Gravimetry using dimethylglyoxime (ISO 11490:2023)
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基本信息
标准编号： EN ISO 11490:2023
标准类别：Standard
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标准页数：0
标准简介
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.
