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Determination of Residual Amount of Parathion-meth Pesticides in Cabbage by High Performance Liquid Chromatography

Chen Jian-hui

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Abstract

In this paper,residues of organophosphorous pesticides parathion-methy was analyzed and separated by high performance liquid chromatography.The analysis conditions were optimized for the extraction,purification and separation of samples.Separation was performed in shim-pack VP-ODS column with an eluent consisting of methanol-water(volume ratio 85:15) mixture.The eluate was detected by UV detector at 265 nm.The experimental data had a good characteristic of linearity in the range of 0-2.0 mg/L,The recovery ration ranged from 99.8% to 110.0%.The method proved to be stable and could be used to analyse parathion-methy in different vegetables.

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What this paper is about

In this paper,residues of organophosphorous pesticides parathion-methy was analyzed and separated by high performance liquid chromatography.The analysis conditions were optimized for the extraction,purification and separation of samples.Separation was performed in shim-pack VP-ODS column with an eluent consisting of methanol-water(volume ratio 85:15) mixture.The eluate was detected by UV detector at 265 nm.The experimental data had a good characteristic of linearity in the range of 0-2.0 mg/L,The recovery ration ranged from 99.8% to 110.0%.The method proved to be stable and could be used to analyse parathion-methy in different vegetables.

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Available abstract

In this paper,residues of organophosphorous pesticides parathion-methy was analyzed and separated by high performance liquid chromatography.The analysis conditions were optimized for the extraction,purification and separation of samples.Separation was performed in shim-pack VP-ODS column with an eluent consisting of methanol-water(volume ratio 85:15) mixture.The eluate was detected by UV detector at 265 nm.The experimental data had a good characteristic of linearity in the range of 0-2.0 mg/L,The recovery ration ranged from 99.8% to 110.0%.The method proved to be stable and could be used to analyse parathion-methy in different vegetables.

Key concepts: Chromatography, Parathion, Elution, Column chromatography, Parathion methyl, Pesticide, Extraction (chemistry), Chemistry

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