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immediate downloadReleased: 1993-09-15
BS 1747-11:1993
Methods for measurement of air pollution Determination of a black smoke index in ambient air
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| Standard number: | BS 1747-11:1993 |
| Pages: | 14 |
| Released: | 1993-09-15 |
| ISBN: | 0 580 22507 0 |
| Status: | Standard |
DESCRIPTION
BS 1747-11:1993
This standard BS 1747-11:1993 Methods for measurement of air pollution is classified in these ICS categories:
- 13.040.20 Ambient atmospheres
This International Standard specifies a method for measuring the black smoke index of an ambient air sample. The method is based on the staining effect of particles which is produced when a sample of air is drawn through a filter paper.
The method is intended for the measurement of a black smoke index in the range 6 to 375 in the ambient atmosphere. It is based on the measurement of reflectance. The method does not measure the mass concentration of particles directly.
Gives a reflectance method for continuous or daily measurement of the black smoke index in the range 6 to 375.