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LC-Ultrasound-Assisted Headspace Liquid Microextraction for the Analysis of Phenols in Water

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Abstract

An ultrasound-assisted headspace liquid microextraction method is presented. The organic solvent droplet is suspended at the bottom of a polychloroprene rubber tube. More extractant can be held and the stability of microdrop is better than by using a syringe needle so that extraction aided by ultrasonication can be carried out. Compared with traditional methods, the extraction efficiency is about ten times higher. The method has been used to determine phenols in real water samples, and good recoveries were obtained. It is a promising alternative for analyzing volatile or semivolatile pollutants in environmental samples due to its simplicity, rapidity and stability.

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Acknowledgments

The project was supported by China Postdoctoral Science Foundation (No. 20070420923), Open Foundation of Key Lab of Analytical Chemistry for Life Science, Ministry of Education, Najing University (No. KLACLS07002) and Scientific and Technological Brainstorm Project of Wuhan (No. 200860423220).

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Authors and Affiliations

  1. Department of Chemistry, Wuhan University, Wuhan, 430072, People’s Republic of China

    Hui Xu, Jing Cheng & Yuqi Feng

  2. Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, People’s Republic of China

    Hui Xu, Jinrong Yao, Jing Cheng, Yanfang Cui & Dandan Song

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  1. Hui Xu
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  2. Jinrong Yao
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  3. Jing Cheng
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  4. Yanfang Cui
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  6. Yuqi Feng
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Correspondence to Hui Xu.

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Xu, H., Yao, J., Cheng, J. et al. LC-Ultrasound-Assisted Headspace Liquid Microextraction for the Analysis of Phenols in Water. Chroma 68, 235–238 (2008). https://doi.org/10.1365/s10337-008-0686-3

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  • DOI: https://doi.org/10.1365/s10337-008-0686-3

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