Rapid determination of pentachlorophenolin aquatic products by GC-MS
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(Nangton Center for Disease Control and Prevention,Jiangsu Nangton 226007,China)

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    Abstract:

    To establish a rapid method of pentachlorophenol in aquatic products by GC-MS.Methods Sodium pentachlorophenol in the samples were converted to pentachlorophenol in acidic condition. Then they were detected by GC-MS, after the extraction, reextraction, derivatization with n-hexane, potassium carbonate, acetic anhydride, respectively. Results Pentachlorophenol showed a good linear relationship at a range of 0-100 μg/L, correlation coefficient r=0.999 1, with lower limit of determination (S/N=10) of 1.04 ng/g. Tests for recovery and precision were made at 3 concentration levels, giving results of average recovery in the range of 94% to 103%, with values of relative standard deviation RSD (n=6) in the range of 1.83%-3.82%.Conclusion The established method is rapid, simple and accurate. It can be used to rapidly determine pentachlorophenol in aquatic products.

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SHI Yu-kun, YANG Mei-gui, YANG Qing-hua, CHENG Xiao-hong. Rapid determination of pentachlorophenolin aquatic products by GC-MS[J].中国食品卫生杂志,2015,27(1):19-21.

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  • Online: March 10,2015
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