标准摘要
[中文适用范围]： 适用于二氧化硫质量浓度高于30 g/m3。 此程序获得的结果取决于酸性和碱性气态空气污染物的量，这些污染物可能在指定的采样和分析条件下测定。 [外文原描述]： 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.
英文名称Ambient air — Determination of a gaseous acid air pollution index — Titrimetric method with indicator or potentiometric end-point detection