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ISO/NP 26929

Jewellery and precious metals--Determination of gold--Potentiometry using hydroquinone

General information

10.20     Jul 12, 2026

ISO

ISO/TC 174

International Standard

Scope

This document specifies a volumetric method for the determination of gold on a material considered homogeneous by potentiometry using hydroquinone. The gold content of the sample lies preferably between (300 and 995,0) ‰ (parts per thousand, by mass).

Life cycle

NOW

PROJECT
ISO/NP 26929
10.20 New project ballot initiated
Jul 12, 2026