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Determination of polychlorinated biphenyls in water using dynamic hollow fiber liquid-phase microextraction and gas chromatography–mass spectrometry

Authors
Journal
Journal of Chromatography A
0021-9673
Publisher
Elsevier
Publication Date
Volume
1204
Issue
1
Identifiers
DOI: 10.1016/j.chroma.2008.07.081
Keywords
  • Dynamic Hollow Fiber Liquid-Phase Microextraction
  • Gas Chromatography–Mass Spectrometry
  • Polychlorinated Biphenyls
  • Water Sample

Abstract

Abstract The application of dynamic hollow fiber liquid-phase microextraction (dynamic HF-LPME) and gas chromatography–mass spectrometry (GC–MS) for the determination of trace amounts of polychlorinated biphenyls (PCBs) in water was investigated. The experimental parameters were optimized. Under the optimum conditions, the concentration enrichment factors for PCBs were from 718-fold to 840-fold. The calibration curves were linear over a range of 0.05–90 μg/L, with a correlation coefficient ( r 2) of 0.9957–0.9979. The relative standard deviation (RSD) ranged from 3.4% to 5.8% for intra-day variation and from 4.1% to 7.3% for inter-day variation. The limits of detection (LODs, S/N = 3:1) were in the range of 13–41 ng/L. The recoveries for spiked water samples ranged from 85.9% to 92.0%.

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