ISO/TC 146/SC 3
| Project No. | ISO 9835:1993 |
|---|---|
| Title | <p>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.</p> |
| Registration number (WIID) | 17715 |
| Scope | <p>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.</p> |
| Status | Standarts spēkā |
| ICS group | 13.040.20 |