BS EN 31426:1994被替代
Determination of gold in gold jewellery alloys. Cupellation method (fire assay)
出版：British Standards Institution
专家解读视频
Cupellation method for determination of gold in gold jewellery alloys, preferably of between 333 and 930 parts by mass per thousand of gold. This method is the referee method for determination of gold in alloys covered by BS EN 29202.
© British Standards Institution 2013
SN EN 31426:1994 - Identical
NF EN 31426:1994 - Identical
I.S. EN 31426:1994 - Identical
DIN EN 31426 : 1994 - Identical
DIN EN 31426 E : 1994 - Identical
NBN EN 31426 : 1994 - Identical
UNI EN 31426 : 1997 - Identical
DIN EN 31426 : 1994 - Identical
EN 31426 : 1994 - Identical
NF EN 31426 : 1994 - Identical
UNE EN 31426 : 1996 - Identical
SN EN 31426 : 1994 - Identical
I.S. EN 31426:1994 - Identical
ISO 11426 : 2014 - Similar to
DIN EN 31426 (1994-09) - Identical
I.S. EN 31426:1994 - Identical
SS EN 31426:1994 - Identical
UNE EN 31426:1996 - Identical
ISO 11426:1997 - Similar
