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ISO 9835:1993 PDF
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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 A describes conversion of absorption coefficient to traditional black smoke units.
| Edition | 1993 |
|---|---|
| Published Date | 1993 |
| Published By | International Standardization Organisation |
| Page Count | 9 |
