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  • Title: [Study on determination of polycholorinated biphenyls in fish by isotopedilution GC-LRMS].
    Author: Li JG, Wu YN.
    Journal: Wei Sheng Yan Jiu; 2005 May; 34(3):322-5. PubMed ID: 16111042.
    Abstract:
    OBJECTIVE: To develop a method for determination of 20 indicator polycholorinated biphenyls in fish by GC-LRMS. METHODS: Fish sample was added 13C lablled internal standard and cleaned-up by a multilayer silica column and a alumina column. Sample was analyzed by HRGC-LRMS using SIM mode. RESULTS: Detection limits of 20 indicator polycholorinated biphenyls were 0.009 - 0.044 ng/g. Average recovery were 79.7% - 112.6%, RSD were 1% - 8% (n = 6). CONCLUSION: Results showed that the method was suitable for determination of indicator PCB in fish sample.
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