NEN-ISO 9835
Ambient air - Determination of a black smoke index
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 April 2001 |
| Status: | active |
| Page Count: | 14 |
| ICS Code (Ambient atmospheres): | 13.040.20 |
scope:
Specifies a method for measuring the black smoke index of an ambient air sample based on the staining effect of particles which is produced when a sample of air is drawn through a filter paper. Annex A describes conversion of absorption coefficient to traditional black smoke units.
Document History
NEN-ISO 9835
April 1, 2001
Ambient air - Determination of a black smoke index
Specifies a method for measuring the black smoke index of an ambient air sample based on the staining effect of particles which is produced when a sample of air is drawn through a filter paper. Annex...