OS GSO ISO 11210:2024
ISO 11210:2023
Omani Standard
Current Edition
·
Approved on
14 October 2024
Jewellery and precious metals — Determination of platinum — Gravimetry using ammonium chloride
OS GSO ISO 11210:2024 Files
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OS GSO ISO 11210:2024 Scope
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.
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