Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.chroma.2009.09.019
Title: Commercial polymeric fiber as sorbent for solid-phase microextraction combined with high-performance liquid chromatography for the determination of polycyclic aromatic hydrocarbons in water
Authors: Hii, T.M.
Basheer, C. 
Lee, H.K. 
Keywords: High-performance liquid chromatography
Polycyclic aromatic hydrocarbons
Polymeric fiber
Solid-phase microextraction
Water analysis
Issue Date: 30-Oct-2009
Citation: Hii, T.M., Basheer, C., Lee, H.K. (2009-10-30). Commercial polymeric fiber as sorbent for solid-phase microextraction combined with high-performance liquid chromatography for the determination of polycyclic aromatic hydrocarbons in water. Journal of Chromatography A 1216 (44) : 7520-7526. ScholarBank@NUS Repository. https://doi.org/10.1016/j.chroma.2009.09.019
Abstract: A novel microextraction method making use of commercial polymer fiber as sorbent, coupled with high-performance liquid chromatography-fluorescence detection for the determination of polycyclic aromatic hydrocarbons (PAHs) in water has been developed. In this technique, the extraction device was simply a length (8 cm) of a strand of commercial polymer fiber, Kevlar (each strand consisted of 1000 filaments, each of diameter ca. 9.23 μm), that was allowed to tumble freely in the aqueous sample solution during extraction. The extracted analytes were desorbed ultrasonically before the extract was injected into HPLC system for analysis. Extraction parameters such as extraction time, desorption time, type of desorption solvent and sample volume were optimized. Each fiber could be used for up to 50 extractions and the method showed good precision, reproducibility and linear response within a concentration range 0.05-5.00 μg L-1 with correlation coefficients of up to 0.9998. Limits of detection between 0.4 and 4.4 ng L-1 for seven PAHs could be achieved. The relative standard deviations (n = 3) of this technique were between 2.9% and 12.1%. © 2009 Elsevier B.V. All rights reserved.
Source Title: Journal of Chromatography A
URI: http://scholarbank.nus.edu.sg/handle/10635/93329
ISSN: 00219673
DOI: 10.1016/j.chroma.2009.09.019
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