

专家解读视频
Specifies a cuppellation method (fire assay) for the determination of gold in gold jewellery alloys. Applies specifically to gold alloys incorporating silver, copper and zinc. Coverage includes reagents, procedure, and notes on procedure.
INDICE DE CLASSEMENT: A06201
BS EN 31426:1994 - Identical
I.S. EN 31426:1994 - Identical
SS EN 31426:1994 - Identical
UNE EN 31426:1996 - Identical
SN EN 31426:1994 - Identical
DIN EN 31426 (1994-09) - Identical