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Determination of Lmidacloprid in Polluted Water by High Performance Liquid Chromatography

LI Yong-bo

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Abstract

[Objective]To investigate the determination of lmidacloprid in polluted water by high performance liquid chromatography (HPLC).[Methods]The sample was filtered by 0.45 μm membrane, and determined by HPLC, with Acetonitrile-water (40+60) the mobile phase, detection wavelength of 270 nm. [Results]Detection limit was 6.4×10~3 ng/ml, the average recovery rate was 105.44%, RSD was 5.66%, regression curve was Y=7×107 X,r=0.9991. [Conclusion] The method of sensitivity, precision and accuracy are in compliance with the requirements of pesticide residue analysis.

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What this paper is about

[Objective]To investigate the determination of lmidacloprid in polluted water by high performance liquid chromatography (HPLC).[Methods]The sample was filtered by 0.45 μm membrane, and determined by HPLC, with Acetonitrile-water (40+60) the mobile phase, detection wavelength of 270 nm. [Results]Detection limit was 6.4×10~3 ng/ml, the average recovery rate was 105.44%, RSD was 5.66%, regression curve was Y=7×107 X,r=0.9991. [Conclusion] The method of sensitivity, precision and accuracy are in compliance with the requirements of pesticide residue analysis.

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Available abstract

[Objective]To investigate the determination of lmidacloprid in polluted water by high performance liquid chromatography (HPLC).[Methods]The sample was filtered by 0.45 μm membrane, and determined by HPLC, with Acetonitrile-water (40+60) the mobile phase, detection wavelength of 270 nm. [Results]Detection limit was 6.4×10~3 ng/ml, the average recovery rate was 105.44%, RSD was 5.66%, regression curve was Y=7×107 X,r=0.9991. [Conclusion] The method of sensitivity, precision and accuracy are in compliance with the requirements of pesticide residue analysis.

Key concepts: Chromatography, High-performance liquid chromatography, Detection limit, Residue (chemistry), Chemistry, Acetonitrile, Biochemistry

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