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Determination of Imidaclprid Residue in Fruits by HPLC

Zhihua Zhang

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Abstract

A high performance liquid chromatography(HPLC) method was developed to determine imidaclprid residue in fruits.Samples were extracted by the improved QuEChERS method using acetonitrile as the solvent and purified on C18/PSA column.The detection limit of this developed HPLC method was 0.05 mg/kg and the linear correlation coefficient of standard curve was 0.9988.Recovery rates for imidaclprid in spiked samples at 0.05,0.1 mg/kg and 0.20 mg/kg was in the range of 92%-102% with a relative standard deviation varying from 5% to 11%.Therefore,this developed method is characteristics of rapid determination,high accuracy and sensitivity so that it is suitable for the detection of imidaclprid residue in fruits.

About this research paper

What this paper is about

A high performance liquid chromatography(HPLC) method was developed to determine imidaclprid residue in fruits.Samples were extracted by the improved QuEChERS method using acetonitrile as the solvent and purified on C18/PSA column.The detection limit of this developed HPLC method was 0.05 mg/kg and the linear correlation coefficient of standard curve was 0.9988.Recovery rates for imidaclprid in spiked samples at 0.05,0.1 mg/kg and 0.20 mg/kg was in the range of 92%-102% with a relative standard deviation varying from 5% to 11%.Therefore,this developed method is characteristics of rapid determination,high accuracy and sensitivity so that it is suitable for the detection of imidaclprid residue in fruits.

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Available abstract

A high performance liquid chromatography(HPLC) method was developed to determine imidaclprid residue in fruits.Samples were extracted by the improved QuEChERS method using acetonitrile as the solvent and purified on C18/PSA column.The detection limit of this developed HPLC method was 0.05 mg/kg and the linear correlation coefficient of standard curve was 0.9988.Recovery rates for imidaclprid in spiked samples at 0.05,0.1 mg/kg and 0.20 mg/kg was in the range of 92%-102% with a relative standard deviation varying from 5% to 11%.Therefore,this developed method is characteristics of rapid determination,high accuracy and sensitivity so that it is suitable for the detection of imidaclprid residue in fruits.

Key concepts: Quechers, Chromatography, Residue (chemistry), High-performance liquid chromatography, Detection limit, Chemistry, Relative standard deviation, Correlation coefficient

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