Ambient air — Determination of a black smoke index
NORMA vydaná dňa 10.3.1993
Označenie normy: ISO 9835:1993
Dátum vydania normy: 10.3.1993
Počet strán: 9
Približná hmotnosť: 27 g (0.06 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: 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.