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About This Item
Full Description
This document specifies a gravimetric method for the determination of platinum on a material considered homogeneous. The platinum 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.
Document History
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DANSK DS/EN ISO 11210
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Jewellery and precious metals – Determination of platinum – Gravimetry using ammonium chloride (ISO 11210:2023)- Most Recent
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DANSK DS/EN ISO 11210
Jewellery – Determination of platinum in platinum jewellery alloys – Gravimetric method after precipitation of diammonium hexachloroplatinate (ISO 11210:2014)- Historical Version