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现行 ISO 4220:1983
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Ambient air — Determination of a gaseous acid air pollution index — Titrimetric method with indicator or potentiometric end-point detection 环境空气——气态酸空气污染指数的测定——指示剂滴定法或电位滴定终点检测法
发布日期: 1983-12-01
适用于质量浓度高于30 g/m3的二氧化硫。按照本程序获得的结果取决于在规定的取样和分析条件下可能测定的酸性和碱性气体空气污染物的数量。
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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归口单位: ISO/TC 146/SC 3
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