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测定土壤中多环芳烃的不同萃取法比较范元中编译（江苏省环境监测中心南京２１００２９）１引言土壤中的多环芳烃（ＰＡＨ）测定通常由索氏提取器完成，这个方法的缺点是除了样品处理时间长外还要消耗大量的溶剂。为此发展了超声萃取法，在这一方法中由于液浴中的超声波作...
Comparison of Different Extraction Methods for Determination of Polycyclic Aromatic Hydrocarbons in Soil (Jiangsu Environmental Monitoring Center, Nanjing 210029) 1 Introduction PAH determination in soils is usually performed by Soxhlet extractor. The disadvantage of this method is that in addition to sample processing A long time but also consume a large amount of solvent. To this end the development of ultrasonic extraction method, in this method due to ultrasonic bath ...