DS DS/EN 31426 Determination of gold in gold jewellery alloys - Cupellation method (fire assay)
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DS DS/EN 31426 Document Information:
Title
Determination of gold in gold jewellery alloys - Cupellation method (fire assay)
Bestemmelse af guld i guldlegerede smykker. Kupellationsmetode (brandprøvning)
Dansk Standard
Publication Date:
Jul 11, 1994
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.
Keywords:
- JEWELLERY
- GOLD ALLOYS
- CHEMICAL ANALYSIS
- DETERMINATION OF CONTENT
- GOLD
- VOLUMETRIC ANALYSIS
- METAL ASSAY
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