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ISO 11427:2024

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

Apr 5, 2024

General information

60.60     Apr 5, 2024

ISO

ISO/TC 174

International Standard

39.060  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11427:2014

NOW

PUBLISHED
ISO 11427:2024
60.60 Standard published
Apr 5, 2024