Volume 3 Issue 2
Apr.  2007
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HUANG Jiansheng, GAN Juli, JIA Xiaoping. An ameliorated method for determination of polychlorinated biphenyls (PCBs) in tissues of dolphin by gas chromatography[J]. South China Fisheries Science, 2007, 3(2): 55-59.
Citation: HUANG Jiansheng, GAN Juli, JIA Xiaoping. An ameliorated method for determination of polychlorinated biphenyls (PCBs) in tissues of dolphin by gas chromatography[J]. South China Fisheries Science, 2007, 3(2): 55-59.
shu

An ameliorated method for determination of polychlorinated biphenyls (PCBs) in tissues of dolphin by gas chromatography

  • 1.

    Key Lab. of Fishery Ecology Environment, Minstry of Agriculture, China

  • 2.

    Key Lab. of Fishery Ecology Environment, Minstry of Agriculture, China; Key Lab. of Fishery Ecology Environment, Guangdong Province, China; South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China

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  • Received Date: January 23, 2007
  • Revised Date: January 30, 2007
    Graphical Abstract
    • Abstract

  • An ameliorated pretreatment method for determination of polychlorinated biphenyls(PCBs)in tissues of dolphin has been established. After pretreated in turn by the extraction, purifying for the high-fat tissues and low-fat tissues of dolphin samples, the PCBs were determined by a gas chromatography (Agilent 6890N) equipped with an ECD (electron capture detector).Identification and quantification of PCBs were performed by retention time and external standard method respectively. The results showed that the recovery was between 75.8% and 119.2%, the coefficient of variation was 5.6%~11.2%, and the detection limits of the method were 0.126~0.642 ng·g-1. The data of accuracy and repeatability are satisfied for analysis on the trace amounts of organic contaminants in marine organisms. The results of practical analysis for dolphin samples showed that the method was suitable to determine the contents of the PCBs in the dolphins.

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    • References (12)
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