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- W2357426708 abstract "The 16 prior polycyclic aromatic hydrocarbons(PAHs) were extracted with the use of a ultrasonic batch with the mixture of hexane and dichloromethane as extractants from the samples from the vertical section of sediments from Zhalong wetland.The PAHs were quantitatively analyzed with GC/MS.The results show that the sum of the PAHs with 2 or 3 aromatic rings is more than 86% of the total PAHs,while the sum of the PAHs with 4 or more aromatic rings is only small fraction of the total PAHs.Among all the layer of sediments,the contents of naphthalene,phenanthrene,fluorine,and the total amount of PAHs decrease as the sediment is deeper from surface.The total amount of the PAHs was the highest in the surface sediment(0～10 cm) layer,being(396.61) ng/g.The order of the PAHs concentration in the surface sediment layer is: naphthalene phenanthrene fluorine dibenzoanthracene pyrene acenaphthene acenaphthylene chrysene.The content of the PAHs is directly proportional to the content of TOC with a correlation coefficient of 0.934 7.The contrast analysis of the pollution characters of low ring PAHs at Zhalong wetland to those of atmospheric particles at its surrounding areas indicates the PAHs in the sediments from Zhalong wetland mainly from oil pollution." @default.
- W2357426708 created "2016-06-24" @default.
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- W2357426708 date "2008-01-01" @default.
- W2357426708 modified "2023-09-25" @default.
- W2357426708 title "Distributional Characteristics of Polycyclic Aromatic Hydrocarbons in Vertical Section of Sediments from Zhalong Wetland" @default.
- W2357426708 hasPublicationYear "2008" @default.
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