ČSN EN ISO 11427

Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide

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Detail information

Designation: ČSN EN ISO 11427

Publication date: 01/10/2024

Pages: 16

Country: Czech technical standard

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Anotation

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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