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ISO/NP 26929

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

General information

Current stage: 10.20 Effective date: 12 korr 2026

Originator: ISO

Owner: ISO/TC 174

Type: 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

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IN_DEVELOPMENT
ISO/NP 26929
10.20 New project ballot initiated
12 korr 2026