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2011•Journal of Analytical ScienceRequires access

Dispersive Liquid-liquid Microextraction Coupled with High Performance Liquid Chromatography for the Determination of 2,4-Dichlorophenol in Environmental Water Samples

Jing Yu

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Abstract

A simple,rapid and effective method,the dispersive liquid-liquid microextraction with high-performance liquid chromatography(DLLME-HPLC),has been developed for the determination of 2,4-dichlorophenol in environmental water samples.The factors relevant to the microextraction efficiency including the type and volume of dispersion agent and extraction solvent,the extraction and centrifugation time,and the salt effect were investigated and optimized.The linear response of this method was in the range of 1～500 μg/L(r=0.9997) with the relative standard deviation(RSD) of 3.8%(n=6) and detection limit of 0.19 μg/L.This method is suitable for the determination of trace amount of 2,4-dichlorophenol in environmental water samples.

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What this paper is about

A simple,rapid and effective method,the dispersive liquid-liquid microextraction with high-performance liquid chromatography(DLLME-HPLC),has been developed for the determination of 2,4-dichlorophenol in environmental water samples.The factors relevant to the microextraction efficiency including the type and volume of dispersion agent and extraction solvent,the extraction and centrifugation time,and the salt effect were investigated and optimized.The linear response of this method was in the range of 1～500 μg/L(r=0.9997) with the relative standard deviation(RSD) of 3.8%(n=6) and detection limit of 0.19 μg/L.This method is suitable for the determination of trace amount of 2,4-dichlorophenol in environmental water samples.

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Available abstract

A simple,rapid and effective method,the dispersive liquid-liquid microextraction with high-performance liquid chromatography(DLLME-HPLC),has been developed for the determination of 2,4-dichlorophenol in environmental water samples.The factors relevant to the microextraction efficiency including the type and volume of dispersion agent and extraction solvent,the extraction and centrifugation time,and the salt effect were investigated and optimized.The linear response of this method was in the range of 1～500 μg/L(r=0.9997) with the relative standard deviation(RSD) of 3.8%(n=6) and detection limit of 0.19 μg/L.This method is suitable for the determination of trace amount of 2,4-dichlorophenol in environmental water samples.

Key concepts: Chemistry, Chromatography, Detection limit, Extraction (chemistry), High-performance liquid chromatography, Liquid liquid, Dispersion (optics), Linear range

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Dispersive Liquid-liquid Microextraction Coupled with High Performance Liquid Chromatography for the Determination of 2,4-Dichlorophenol in Environmental Water Samples — Research Paper | ScholarLens