ISO 11427:2014

Jewellery — Determination of silver in silver jewellery alloys — Volumetric (potentiometric) method using potassium bromide

Publication date:   Oct 29, 2014

General information

90.92 Standard to be revised   Oct 6, 2021

ISO

ISO/TC 174 Jewellery and precious metals

International Standard

39.060   Jewellery

Buying

Published

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Scope

The method of ISO 11427:2014 describes a volumetric method for the determination of silver in jewellery alloys, preferably within the range of fineness stated in ISO 9202.
These alloys may contain copper, zinc, cadmium, and palladium. Apart from palladium, which must be precipitated before commencing titration, these elements do not interfere with this method of determination.
This method is intended to be used as the referee method for the determination of fineness in alloys covered by ISO 9202.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11427:1993

WITHDRAWN
ISO 11427:1993/Cor 1:1994

NOW

PUBLISHED
ISO 11427:2014
90.92 Standard to be revised
Oct 6, 2021

REVISED BY

IN_DEVELOPMENT
ISO/DIS 11427