
Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay)
出版:Ente Nazionale Italiano di Unificazione (UNI)

專家解讀視頻
The standard specifies a cupellation method (fire assay) for the determination of gold in gold jewellery alloys.
EN ISO 11426 : 2016 - Identical
ISO 11426 : 2014 - Identical
EN ISO 11426:2016 - Identical
ISO 11426:2014 - Identical