DIN EN 903 (1994-01)现行
Determination of anionic surfactants in water by measurement of the methylene blue active substances (MBAS) by measurement of the methylene blue active substances (MBAS) index (ISO 7875-1:1984, modified)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
SNV DIN EN 903:1994 - Identical
UNI EN 903:1995 - Identical
NF EN 903:1994 - Identical
NBN EN 903:1994 - Identical
I.S. EN 903:1994 - Identical
BS EN 903:1994 - Identical
ONORM EN 903:1994 - Identical
NEN EN 903:1994 - Identical
NS EN 903 Ed. 1 (1993) - Identical
UNE EN 903:1994 - Identical
SS EN 903 Ed. 1 (1994) - Identical
ISO 7875-1:1996 - Identical
