ISO 13756:2024

Current Revision
Jewellery and precious metals - Determination of silver - Potentiometry using sodium chloride or potassium chloride

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ISO 13756:2024

This document specifies a **volumetric method** for the determination of silver on a material considered homogeneous.

The silver content of the sample lies preferably between 100 and 999,0 parts per thousand (‰) by mass. Fineness above 999,0 ‰ can be determined using a spectroscopy method by difference (e.g. ISO 15096).

This method is intended to be used as the **reference method** for the determination of fineness in alloys covered by ISO 9202.

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