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EVS-EN ISO 11426:2004

Determination of gold in gold jewellery alloys - Cupellation method (fire assay)

General information
Withdrawn from 01.11.2016
Base Documents
ISO 11426:1997; EN ISO 11426:1998
Directives or regulations
None
Standard history
Status
Date
Type
Name
01.11.2016
Main
01.01.2000
Main
This International Standard specifies a cupellation method (fire assay) for the determination of gold in gold jewellery alloys. The gold content of the alloys should preferably lie between 333 and 999 parts per thousand. This procedure is applicable specifically to gold alloys incorporating silver, copper and zinc.
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