Draft Document - Construction products: Assessment of release of dangerous substances - Determination of the content of polycyclic aromatic hydrocarbons (PAH) and of benzene, toluene, ethylbenzene and xylenes (BTEX) - Gas chromatographic method with mass spectrometric detection; German and English version prEN 17844:2022
文件草案-建筑产品:危险物质释放评估-多环芳烃（PAH）和苯、甲苯、乙苯和二甲苯（BTEX）含量的测定-气相色谱法和质谱检测；德语和英语v