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RAO Zhu, HE Miao, CHEN Wei, LI Song, LIU Yan. Determination of Organophosphate Pesticides in Soil Samples by Accelerated Solvent Extraction-Gas Chromatography[J]. Rock and Mineral Analysis, 2010, 29(5): 503-507.
Citation: RAO Zhu, HE Miao, CHEN Wei, LI Song, LIU Yan. Determination of Organophosphate Pesticides in Soil Samples by Accelerated Solvent Extraction-Gas Chromatography[J]. Rock and Mineral Analysis, 2010, 29(5): 503-507.
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Determination of Organophosphate Pesticides in Soil Samples by Accelerated Solvent Extraction-Gas Chromatography

  • 1.

    National Research Center for Geoanalysis, Beijing 100037, China

  • 2.

    Oil & Gas Technology Research Institute of Ghangqing Oilfield Company, Xi'an 710021, China

  • 3.

    Civil and Environmental Engineering College, University of Science and Technology, Beijing 100083, China

  • 4.

    National Research Center for Geoanalysis, Beijing 100037, China

  • 5.

    National Research Center for Geoanalysis, Beijing 100037, China

More Information
  • Received Date: January 17, 2010
  • Revised Date: July 21, 2010
    Abstract
  • A method for the determination of organophosphate pesticides (OPPs) in soil samples by accelerated solvent extraction-gas chromatography (ASE-GC) was developed. Through the extraction by ASE, clean-up with Carb column, 13 OPPs in soil samples were separated and determined by Rtx-OPP2 wide bore capillary-gas chromatography with electron capture detector. The detection limits of the method for OPPs were 0.67~ 1.50 ng/mL with linear ranges of 0.67~600 ng/mL and correlation coefficients of 0.9994~0.9999. The average recoveries for 13 OPPs in simulated soil samples and real soil samples were 54.3%~106% and 60.7%~133% with precision of 2.2%~9.9% RSD(n=5). The method provides the advantages of high sensitivity, high reliability, convenience and is suitable for analysis of OPPs in soil samples.
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