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I.S. EN ISO 11426:2016

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

JEWELLERY - DETERMINATION OF GOLD IN GOLD JEWELLERY ALLOYS - CUPELLATION METHOD (FIRE ASSAY) (ISO 11426:2014)

Available format(s)

Hardcopy , PDF

Withdrawn date

09-30-2021

Language(s)

English

Published date

01-01-2016

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

National Foreword
European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Calculation and expression of results
9 Test report
Bibliography

Defines a cupellation method (fire assay) for the determination of gold in gold jewellery alloys.

DevelopmentNote
Supersedes I.S. EN 31426. (04/2007)
DocumentType
Standard
Pages
24
PublisherName
National Standards Authority of Ireland
Status
Withdrawn
SupersededBy
Supersedes

ISO 9202:2014 Jewellery Fineness of precious metal alloys
ISO 11596:2008 Jewellery Sampling of precious metal alloys for and in jewellery and associated products

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