ISO-9835 › Ambient air - Determination of a black smoke index

ISO-9835 - 1ST EDITION - CURRENT


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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.

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13.040.20 (Ambient atmospheres Including indoor air)

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Document Number

ISO 9835:1993

Revision Level

1ST EDITION

Status

Current

Publication Date

March 15, 1993

Committee Number

ISO TC 146/SC 3