ISO-4220 Ambient air - Determination of a gaseous acid air pollution index - Titrimetric method with indicator or potentiometric end-point detection

ISO-4220 - 1ST EDITION - CURRENT


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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.

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13.040.20 (Ambient atmospheres Including indoor air)

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Document Number

ISO 4220:1983

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 1, 1983

Committee Number

ISO TC 146/SC 3