
Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method
出版:International Organization for Standardization

专家解读视频
NEN EN ISO 7980:2000 - Identical
SS EN ISO 7980 Ed. 1 (2000) - Identical
PN EN ISO 7980:2002 - Identical
NS EN ISO 7980 Ed. 1 (2000) - Identical
BS 6068-2.30:1987 - Identical
I.S. EN ISO 7980:2000 - Identical
DIN 38406-3 (2002-03) - Similar
UNI EN ISO 7980:2002 - Identical
NF EN ISO 7980:2000 - Identical
NBN EN ISO 7980:2000 - Identical
ONORM EN ISO 7980:2000 - Identical
JIS K 0400-50-20:1998 - Equivalent
BS EN ISO 7980:2000 - Identical
SN EN ISO 7980:2000 - Identical
DIN EN ISO 7980 (2000-07) - Identical
KS I ISO 7980:2007 - Identical
UNE EN ISO 7980:2000 - Identical
GB/T 11905-1989 - Equivalent
Amd 10872 (to BS EN ISO 7980:2000) - Identical