Draft Document - Environmental solid matrices - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC); German and English version prEN 17503:2020
文件草案——环境固体基质——用气相色谱法(GC)和高效液相色谱法(HPLC)测定多环芳烃(PAH);德语版和德语版