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KMID : 0385520110240060484
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Analytical Science & Technology
2011 Volume.24 No. 6 p.484 ~ p.492
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Analysis of 2,3,7,8-substituted PCDDs, PCDFs, and DL-PCBs in muscle of crucian carp (Carassius auratus and Carassius cuvieri) from major rivers and lakes
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Jeong Gi-Ho
Moon Ji-Yong
Moon Dong-Ho
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Abstract
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Bioaccumulation status and distribution characteristics of PCDDs, PCDFs and DL-PCBs in cruian carp collected from the four representative sites of major river systems in Korea were investigated. The recovery rates of PCDDs and PCDFs ranged from 50.6% to 88.3%, and those of DL-PCBs ranged from 52.3% to 93.2%. The mean, median and concentration range of Σdioxins, which represents the total concentratons of PCDDs, PCDFs and DL-PCBs accumulated in the muscle of crucian carp, were 0.39, 0.14 and 0.047-1.0 pg TEQ/g wet wt., respectively. DL-PCBs were detected above the detection limit from all the samples, whereas PCDDs and PCDFs were detected from limited crucian samples. The relative contribution of DL-PCBs to Σdioxins was remarkably larger than those for PCDDs and PCDFs. The percent contribution was 83.6% for DL-PCBs, and followed by 12.7% and 3.7% for PCDFs and PCDDs, respectively.
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KEYWORD
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PCDDs, PCDFs, DL-PCBs, freshwater fish, carp,
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