标准摘要
[中文适用范围]： 适用范围为 3.5 至 150 g/m3，假设空气样品体积为 2 m3，样品溶液体积为 50 ml。 对于更高的浓度，可能需要稀释样品。 [外文原描述]： Applies to the range of 3,5 to 150 micrograms per cubic metre, assuming an air sample volume of 2 m 3 and a sample solution volume of 50 ml. For higher concentrations, dilution of the sample may be necessary.
英文名称Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method