AENOR - UNE-EN 31426
DETERMINATION OF GOLD IN GOLD JEWELLERY ALLOYS. CUPELLATION METHOD (FIRE ASSAY). (ISO 11426:1993).
inactive, Most Current
| Organization: | AENOR |
| Publication Date: | 19 September 1996 |
| Status: | inactive |
| ICS Code (Jewellery): | 39.060 |
Document History
UNE-EN 31426
September 19, 1996
DETERMINATION OF GOLD IN GOLD JEWELLERY ALLOYS. CUPELLATION METHOD (FIRE ASSAY). (ISO 11426:1993).
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