DIN EN 17503 E:2020-06 草案 環(huán)境固體基質(zhì) 用氣相色譜法 (GC) 和高效液相色譜法 (HPLC) 測定多環(huán)芳烴 (PAH)
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