Analytical and Bioanalytical Chemistry

, Volume 387, Issue 8, pp 2911–2915 | Cite as

Nonequilibrium hollow-fiber liquid-phase microextraction with in situ derivatization for the measurement of triclosan in aqueous samples by gas chromatography–mass spectrometry

  • Ru-Song Zhao
  • Jin-Peng Yuan
  • Hai-Fang Li
  • Xu Wang
  • Ting Jiang
  • Jin-Ming Lin
Original Paper
First Online:
Received:
Revised:
Accepted:

Abstract

Hollow-fiber liquid-phase microextraction (HF-LPME), a relatively new sample preparation technique, has attracted much interest in the field of environmental analysis. In the current study, a novel method based on hollow-fiber liquid-phase microextraction with in situ derivatization and gas chromatography–mass spectrometry for the measurement of triclosan in aqueous samples is described. Hollow-fiber liquid-phase microextraction conditions such as the type of extraction solvent, the stirring rate, the volume of derivatizing reagent, and the extraction time were investigated. When the conditions had been optimized, the linear range was found to be 0.05–100 μg l−1 for triclosan, and the limit of detection to be 0.02 μg l−1. Tap water and surface water samples collected from our laboratory and Wohushan reservoir, respectively, were successfully analyzed using the proposed method. The recoveries from the spiked water samples were 83.6 and 114.1%, respectively; and the relative standard deviation (RSD) at the 1.0 μg l−1 level was 6.9%.

Keywords

Triclosan Hollow-fiber liquid-phase microextraction Gas chromatography–mass spectrometry In situ derivatization 
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Notes

Acknowledgements

This work is jointly supported by Upgrade Foundation of Scientific Instruments of Shandong Province (2006GG1108097-01), Research Encouragement Foundation of Excellent Midlife-Youth Scientists of Shandong Province (2006BS08013) and Shandong Academy of Sciences.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Ru-Song Zhao
    • 1
    • 2
  • Jin-Peng Yuan
    • 2
  • Hai-Fang Li
    • 1
  • Xu Wang
    • 1
  • Ting Jiang
    • 2
  • Jin-Ming Lin
    • 1
  1. 1.Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Ministry of EducationDepartment of Chemistry, Tsinghua UniversityBeijingChina
  2. 2.Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong ProvinceAnalysis and Test Center, Shandong Academy of SciencesJinanChina

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