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A Simplified Liquid-Solid Extraction Technique for the Analyses of Pesticide Residues in Soil Samples

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Abstract

A simplified liquid-solid extraction technique was studied forthe analyses of pesticide residues in soil samples. It is a simple, one step sample preparation method based on a relativequantification concept. Linear response curves were obtained for all of the target compounds regardless of their surface adsorption. This observation was explained and modeled to obeyLangmuir adsorption Equation. The adsorption of analytes ontothe sample surfaces will sacrifice the detection sensitivity. The strategies to reduce the surface adsorption, such as, molecular replacement and selection of solvents, were discussed.The relative quantification and the wide varieties of availablesolvents would enable the technique to be a useful method forthe monitoring and analyses of pesticide residues in soils.

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References

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Authors and Affiliations

  1. Pesticide Residue Research Laboratory, Department of Toxicology, NC State University, Raleigh, North Carolina, USA

    Xin-Rui Xia & Ross B. Leidy

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  1. Xin-Rui Xia
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  2. Ross B. Leidy
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Xia, XR., Leidy, R.B. A Simplified Liquid-Solid Extraction Technique for the Analyses of Pesticide Residues in Soil Samples. Environ Monit Assess 73, 179–190 (2002). https://doi.org/10.1023/A:1013017804165

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  • DOI: https://doi.org/10.1023/A:1013017804165

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