DIN EN ISO 25139-2011 固定源排放.气相色谱测定甲烷浓度方法手册(ISO 25139-2011).德文版本EN ISO 25139-2011
Stationary source emissions - Manual method for the determination of the methane concentration using gas chromatography (ISO 25139:2011); German version EN ISO 25139:2011
This European Standard specifies a manual method for the determination of the concentration of methane emissions from stationary sources .
This International Standard specifies an independent method of measurement, which is validated for mass concentrations up to 1500 mg/m.