The development of a device of large bore coated column(LBC) used to concentrate and determine trace polycyclic hydrocarbons in water has been described.

• 本文描述了大孔径涂敷柱LBC柱的制备及其对水中痕量有机物的吸附富集技术的研究,LBC柱是一种涂有固定液SE-30的大孔径金属柱,用以直接吸附富集水中痕量有机物,然后热脱附到GDX-502预柱上,用CS_2洗脱并浓缩后注入气相色谱仪进行分析测定。