ISO 11426-1997 标准详情
- 标准号:ISO 11426-1997
- 中文标题:金合金首饰中含金量的测定 灰吹法(火试金法)
- 英文标题:Determination of gold in gold jewellery alloys - Cupellation method (fire assay)
- 标准类别:国际标准化组织标准ISO
- 发布日期:1997-12
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 applicabl
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