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WANG Min-jie, ZHOU Jiao-hua, CAO Li-feng. Determination of 15 Organochlorine Pesticide Residues in Groundwater by Gas Chromatography[J]. Rock and Mineral Analysis, 2010, 29(5): 628-630.
Citation: WANG Min-jie, ZHOU Jiao-hua, CAO Li-feng. Determination of 15 Organochlorine Pesticide Residues in Groundwater by Gas Chromatography[J]. Rock and Mineral Analysis, 2010, 29(5): 628-630.

Determination of 15 Organochlorine Pesticide Residues in Groundwater by Gas Chromatography

  • A method for the determination of 15 organochlorine pesticides in water samples was established based on liquid-liquid extraction with n-hexane and gas chromatography with electron capture detector. The internal standard method was used to reduce the systematic errors and improve the analytical accuracy. The detection limits of the method for the target compounds were in the range of 0.6~1.4 ng/L and the recoveries for 20 ng/L standard addition were 84.8%~101.0% with the precision of 1.9%~5.6% RSD (n= 7). The method is suitable for routine analysis of the organochlorine pesticides in groundwater samples.
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