ISO 7996 : 1985(R2012)现行
AMBIENT AIR - DETERMINATION OF THE MASS CONCENTRATION OF NITROGEN OXIDES - CHEMILUMINESCENCE METHOD
出版：International Organization for Standardization
专家解读视频
This International Standard specifies a chemiluminescence method for the determination of the mass concentration of nitrogen oxides present in ambient air.
NEN ISO 7996 : 2001 - Identical
NFX 43 018 : 1983 - Similar to
PN ISO 7996 : 2001 - Identical
UNE 77212 : 1993 - Identical
IS 5182 : Part 6 : Sec 2 : 2018 - Identical
DIN ISO 7996 : 1990 - Identical
SS-ISO 7996:1992 - Identical
PN ISO 7996 : 2001 - Identical
SANS 7996 : 1ED 2012 - Identical
IS 5182 : Part 6 : Sec 2 : 2018 - Identical
NFX 43 018 : 1983 - Similar to
NEN ISO 7996 : 2001 - Identical
UNE 77212 : 1993 - Identical
SANS 7996 : 1ED 2012 - Identical
SS-ISO 7996:1992 - Identical
DIN ISO 7996 : 1990 - Identical
