DIN EN 14662-4:2005
环境空气质量.苯浓度测量的标准方法.第4部分:热解吸和气相色谱法之后的扩散取样
Ambient air quality - Standard method for measurement of benzene concentrations - Part 4: Diffusive sampling followed by thermal desorption and gas chromatography; German version EN 14662-4:2005