NBN T 95-301-1977
Determination of the nitrogen oxides content of flue gasses -Photometrie method with chromotropic acid

Standard No.

NBN T 95-301-1977

Release Date

1977

Published By

BE-NBN

Latest

NBN T 95-301-1977

Scope

This standard describes a sampling method as well as a process for determining the content of nitrogen oxides (except NO) in gaseous effluents. The method is applicable for nitrogen oxide contents, expressed as nitrogen dioxide, between 10 and several thousand milligrams per cubic meter.

NBN T 95-301-1977 history

• 1977 NBN T 95-301-1977 Determination of the nitrogen oxides content of flue gasses -Photometrie method with chromotropic acid