GSO ISO 7996:2017
ISO 7996:1985
Gulf Standard
Current Edition
·
Approved on
03 October 2017
Ambient air -- Determination of the mass concentration of nitrogen oxides -- Chemiluminescence method
GSO ISO 7996:2017 Files
English
9 Pages
Current Edition
Reference Language
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GSO ISO 7996:2017 Scope
This International Standard specifies a chemiluminescence method for the determination of the mass concentration of nitrogen oxides present in ambient air.
The method is applicable to the determination of the mass concentration of nitrogen monoxide present in ambient air up to approximately 12,5 mg/m^(3) and of nitrogen dioxide up to approximately 19 mg/m^(3) respectively11 at 25 °C and 101,3 kPa.
For interférants, see 6.6.
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