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download between 0-24 hoursReleased: 1983
ISO 4220:1983
ISO 4220:1983-Ambient air — Determination of a gaseous acid air pollution index — Titrimetric method with indicator or potentiometric end-point detection
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Standard´s number: | ISO 4220:1983 |
Pages: | 5 |
Edition: | 1 |
Released: | 1983 |
DESCRIPTION
ISO 4220:1983
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.