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download between 0-24 hoursReleased: 1993
ISO 9835:1993
ISO 9835:1993-Ambient air — Determination of a black smoke index
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| Standard´s number: | ISO 9835:1993 |
| Pages: | 9 |
| Edition: | 1 |
| Released: | 1993 |
| Language: | English |
DESCRIPTION
ISO 9835:1993
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.