BS ISO 11632:1998
固定源辐射.二氧化硫质量浓厚的测定.离子色谱法

Stationary source emissions - Determination of mass concentration of sulfur dioxide - Ion chromatography method

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标准号

BS ISO 11632:1998

发布

1998年

发布单位

英国标准学会

替代标准

BS ISO 11632:1998(1999)

当前最新

BS ISO 11632:1998(1999)

 

 

适用范围

This International Standard specifies a method for the determination of the mass concentration of sulfur dioxide emitted from combustion facilities and technical processes, and defines the most important performance characteristics. The method described in this International Standard has been tested for a sulfur dioxide concentration range of 6 mg/m to 333 mg/m with sampling periods of 30 min. It is applicable to mass concentrations of sulfur dioxide exceeding this range by carrying out an appropriate dilution of the sample solutions prior to the analysis or by using larger volumes of absorption solution, and to sulfur dioxide concentrations below this range by extending the sampling period. This International Standard is applicable to the analysis of samples containing negligible levels of sulfur trioxide and volatile sulfates (＜ 5 % of the expected sulfur dioxide concentration), and ammonia (＜ 5 mg/m). All concentrations are based on dry aas at a temperature of 273,2 K and pressure of 101,3 kPa.

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