DS/EN 31426
Determination of gold in gold jewellery alloys – Cupellation method (fire assay)
inactive, Most Current
| Organization: | DS |
| Publication Date: | 11 July 1994 |
| Status: | inactive |
| ICS Code (Jewellery): | 39.060 |
scope:
This standard specifies a cupellation method (fire assay) for the determination of gold in gold jewellery alloys. The procedure applies specifically to gold alloys incorporating silver, copper and zinc.
Document History
DS/EN 31426
July 11, 1994
Determination of gold in gold jewellery alloys – Cupellation method (fire assay)
This standard specifies a cupellation method (fire assay) for the determination of gold in gold jewellery alloys. The procedure applies specifically to gold alloys incorporating silver, copper and...
References
Related Products
Searching for related products...