SS-EN-ISO-11426 › Historical Revision Information
Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:2014)
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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 ().The procedure is applicable specifically to gold alloys incorporating silver, copper, and zinc. Some modifications are indicated where nickel and/or palladium are present in the so-called white gold alloys, as well as for alloys containing 990 or more parts per thousand () of gold.This International Standard is intended to be used as the recommended method for the determination of fineness in alloys covered by ISO 9202.
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Designation Name
SS-EN ISO 11426:2016
Revision Level
2016 EDITION
Status
Superseded
Publication Date
Oct. 24, 2016
Language(s)
English
Page Count
20
International Equivalent
EN ISO 11426:2016(IDT); ISO 11426:2014(IDT)