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Homepage>ISO Standards>ISO 11210:2023-Jewellery and precious metals — Determination of platinum — Gravimetry using ammonium chloride
download between 0-24 hoursReleased: 2023
ISO 11210:2023-Jewellery and precious metals — Determination of platinum — Gravimetry using ammonium chloride

ISO 11210:2023

ISO 11210:2023-Jewellery and precious metals — Determination of platinum — Gravimetry using ammonium chloride

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Standard´s number:ISO 11210:2023
Pages:7
Edition:3
Released:2023
DESCRIPTION

ISO 11210:2023


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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