Comparison of different extraction methods for the determination of polycyclic aromatic hydrocarbons in soil |
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| Authors: | U Hechler J Fischer and S Plagemann |
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| Institution: | (1) Chemisches Laboratorium Dr. E. Weßling GmbH, Oststrasse 6, D-48341 Altenberge, Germany |
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| Abstract: | Two different extraction methods for the determination of polycyclic aromatic hydrocarbons in soil are compared: the extraction in combination with ultrasonic treatment, and the Soxhlet extraction method according to DIN-draft 38414 Part 21. Different types of real soil were extracted and analysed by HPLC with diode-array detector and fluorescence detection. The results show that the efficiency of the ultrasonic method is comparable to the Soxhlet method. |
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