EN ISO 11427:2016

Name: EN ISO 11427:2016
Brand: CEN
SKU: EN ISO 11427:2016
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Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014) EN ISO 11427:2016

Publication date: Mar 16, 2017

General information

Current stage: 99.60 Withdrawal effective Apr 17, 2024

Originator: CEN

Owner: CEN/BT

Type: European Norm

ICS: 39.060 Jewellery

Buying

Status: Published

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WITHDRAWN
EN 31427:1994

WITHDRAWN
EN 31427:1994/AC:1994

NOW

WITHDRAWN
EN ISO 11427:2016
99.60 Withdrawal effective
Apr 17, 2024

REVISED BY

PUBLISHED
EN ISO 11427:2024