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2011•Journal of Analytical ScienceRequires access

Simultaneous Determination of Eight Pesticide Residues in Vegetables and Fruits by High Performance Liquid Chromatography

Fang Yang

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Abstract

A method for the simultaneous determination of eight pesticide residues in vegetables and fruits by high performance liquid chromatography(HPLC) was developed.The sample was extracted by acetonitrile and purified by LC-NH2.HPLC was performed on a C18 column with wavelength at 275 nm using a gradient solvent system.The calibration curves of the eight pesticides showed good linear relationship in the concentration of 0.2～10.0 mg/L.The detection limits ranged from 0.01 to 0.04 mg/kg.The recoveries ranged from 80.1% to 103.7% with the relative standard deviation(RSD) range of 0.17%～7.8%.The method was simple,rapid,sensitive,accurate and reproducible for routine analysis.

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What this paper is about

A method for the simultaneous determination of eight pesticide residues in vegetables and fruits by high performance liquid chromatography(HPLC) was developed.The sample was extracted by acetonitrile and purified by LC-NH2.HPLC was performed on a C18 column with wavelength at 275 nm using a gradient solvent system.The calibration curves of the eight pesticides showed good linear relationship in the concentration of 0.2～10.0 mg/L.The detection limits ranged from 0.01 to 0.04 mg/kg.The recoveries ranged from 80.1% to 103.7% with the relative standard deviation(RSD) range of 0.17%～7.8%.The method was simple,rapid,sensitive,accurate and reproducible for routine analysis.

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Available abstract

A method for the simultaneous determination of eight pesticide residues in vegetables and fruits by high performance liquid chromatography(HPLC) was developed.The sample was extracted by acetonitrile and purified by LC-NH2.HPLC was performed on a C18 column with wavelength at 275 nm using a gradient solvent system.The calibration curves of the eight pesticides showed good linear relationship in the concentration of 0.2～10.0 mg/L.The detection limits ranged from 0.01 to 0.04 mg/kg.The recoveries ranged from 80.1% to 103.7% with the relative standard deviation(RSD) range of 0.17%～7.8%.The method was simple,rapid,sensitive,accurate and reproducible for routine analysis.

Key concepts: Chemistry, Chromatography, High-performance liquid chromatography, Acetonitrile, Relative standard deviation, Calibration curve, Pesticide, Pesticide residue

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