Ambient air — Determination of a gaseous acid air pollution index — Titrimetric method with indicator or potentiometric end-point detection
NORM herausgegeben am 1.12.1983
Designation standards: ISO 4220:1983
Publication date standards: 1.12.1983
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO
Description / Abstract: Is applicable to mass concentrations of sulfur dioxide higher than 30 g/m3. The results obtained following this procedure depend on the amounts of acid and alkaline gaseous air pollutants which are likely to be determined under the specified sampling and analytical conditions.