ISO 7996:1985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
Can be used to measure nitrogen monoxide up to 12.5 mg/cubic metre and nitrogen dioxide up to 19 mg/cubic metre at 25degC and 101.2 kPa.
DIN ISO 7996 (1990-02) - Identical
PN ISO 7996:2001 - Identical
NFX 43 018:1983 - Similar
BS 1747-9:1987 - Equivalent
AS 3580.5.1-1993 - Equivalent
NEN ISO 7996:2001 - Identical
SS ISO 7996 Ed. 1 (1992) - Identical
