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DS DS/EN ISO 11426 Determination of gold in gold jewellery alloys - Cupellation method (fire assay)


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DS DS/EN ISO 11426 Document Information:

Title
Determination of gold in gold jewellery alloys - Cupellation method (fire assay)

Bestemmelse af guld i guldlegeringer anvendt til smykker. Kupellationsmetode

Dansk Standard

Publication Date:
Mar 30, 1999

Scope:

This 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 (o/oo).

Keywords:

JEWELLERY
GOLD ALLOYS
CHEMICAL ANALYSIS
DETERMINATION OF CONTENT
GOLD
VOLUMETRIC ANALYSIS
METAL ASSAY

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