Occurrence of Polychlorodibenzothiophenes in Nanjing Section of the Yangtze River, China
作者： Qun He , Li Qin , Xuesheng Zhang , Liansheng Wang , Ping Sun
DOI: 10.1007/S00244-015-0159-2
关键词:
摘要: Sediment and water samples collected from 8 sites of the Yangtze River in Nanjing section were characterized with 31 congeners polychlorodibenzothiophenes (PCDTs). Concentrations percentage compositions these PCDTs sediments analyzed by gas chromatography–mass spectrometry. Results showed that ∑PCDT concentrations higher (0.86–1.75 μg/kg) than those (0.56–1.30 μg/L). A linear relationship existed between total organic carbon content sediments, whereas there was a poor linearity ∑PCDTs dissolved phase. Moreover, penta-chlorinated DTs predominant both water. Differences sediments. Highly chlorinated accounted for larger proportion In conclusion, present study prevalent contamination River.
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