DIN EN 14662-2:2005
环境空气质量.苯浓度测量的标准方法.第2部分:溶剂解吸和气相色谱法之后的泵送取样
Ambient air quality - Standard method for measurement of benzene concentrations - Part 2: Pumped sampling followed by solvent desorption and gas chromatography; German version EN 14662-2:2005