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Determination of Chlorpyrifos in Drinking Water by Solid-phase Extraction and Gas Chromatography-Mass Spectrometry

Ying Ma

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Abstract

An analytical method for determination of chlorpyrifos in drinking water by solid-phase extraction(SPE) and GC-MS was developed.The detection limit of chlorpyrifos was 0.000 6 mg/L,which was much lower than the national standard method of 0.002 mg/L.The linear range was 0.5 to 5.0 mg/L,the spiked recovery was 74.86% to 86.14%,and the relative standard deviation(RSD) was less than 5.4%.The method is simple,sensitive,accurate and reproducible,and it is suitable for determination of trace chlorpyrifos in water.

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What this paper is about

An analytical method for determination of chlorpyrifos in drinking water by solid-phase extraction(SPE) and GC-MS was developed.The detection limit of chlorpyrifos was 0.000 6 mg/L,which was much lower than the national standard method of 0.002 mg/L.The linear range was 0.5 to 5.0 mg/L,the spiked recovery was 74.86% to 86.14%,and the relative standard deviation(RSD) was less than 5.4%.The method is simple,sensitive,accurate and reproducible,and it is suitable for determination of trace chlorpyrifos in water.

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Available abstract

An analytical method for determination of chlorpyrifos in drinking water by solid-phase extraction(SPE) and GC-MS was developed.The detection limit of chlorpyrifos was 0.000 6 mg/L,which was much lower than the national standard method of 0.002 mg/L.The linear range was 0.5 to 5.0 mg/L,the spiked recovery was 74.86% to 86.14%,and the relative standard deviation(RSD) was less than 5.4%.The method is simple,sensitive,accurate and reproducible,and it is suitable for determination of trace chlorpyrifos in water.

Key concepts: Chlorpyrifos, Solid phase extraction, Chromatography, Detection limit, Chemistry, Extraction (chemistry), Gas chromatography–mass spectrometry, Mass spectrometry

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