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A Multiresidue Method for 20 Pesticides in Radix paeoniae Alba of Chinese Herb by Gas Chromatography with Electron-capture Detection


A rapid multiresidue method was developed for the determination of 20 pesticides in Radix paeoniae Alba of Chinese herb by ultrasonic wave extraction, silica gel column chromatography and gas chromatography (GC) with electron-capture detection (ECD) in this study, Mean recoveries of the method ranged from 74.45 to 115.14%. The validation of the proposed approach was verified on Isatis indigotica Fort, Pltycodon grandiflorum, Cotex mouta and Poria cocos of Chinese herbs; good recoveries were also obtained in the range of 72.51–113.47%, respectively.

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This work was financially supported by the Key Scientific and Technologies project of Anhui province (06013048A) during the state scientific and technological development of eleventh Five-year-Plan Period. We thank Samer Elkashef of University of California, Riverside, for a critical reading of the manuscript.

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Correspondence to Hua Rimao.

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Qian, G., Rimao, H., Feng, T. et al. A Multiresidue Method for 20 Pesticides in Radix paeoniae Alba of Chinese Herb by Gas Chromatography with Electron-capture Detection. Bull Environ Contam Toxicol 84, 779–783 (2010).

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  • Radix paeoniae Alba
  • Pesticides
  • Multi-residue analysis