Journal of Ecotechnology Research
Online ISSN : 1884-0388
Print ISSN : 1881-9982
ISSN-L : 1881-9982
Original Article
Comparison of Extract Methods of Polycyclic Aromatic Hydrocarbons in Soil Sample
Ning TANGMasashi OGURIHitoshi KAKIMOTOAkira TORIBARyoichi KIZUKazuichi HAYAKAWA
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JOURNAL FREE ACCESS

2004 Volume 10 Issue 3 Pages 143-146

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Abstract

In order to extract polycyclic aromatic hydrocarbons (PAHs) having 3 to 6 rings from soil, efficiently and quickly, three ultrasonic extraction methods were compared by using a HPLC/FLD method. The total concentrations of 13 kinds of PAHs were in the order, Method 1 (benzene/ethanol, 3:1) › Method 2 (methanol) › Method 3 (hexane), although PAHs having 3 and 4 rings were extracted more efficiently by Method 2 than Method 1. Furthermore, Method 1 showed higher precision than the other methods. These results suggest that Method 1, which is used for atmospheric PAHs, is also a useful method for PAHs in soil.

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© 2004 International Association of Ecotechnology Research
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