Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.chroma.2009.07.056
Title: Sulfonated polyvinyl chloride fibers for cation-exchange microextraction
Authors: Xu, L.
Lee, H.K. 
Keywords: Cation-exchange
Fiber
Microextraction
Polyvinyl chloride
Sulfonated
Issue Date: 18-Sep-2009
Citation: Xu, L., Lee, H.K. (2009-09-18). Sulfonated polyvinyl chloride fibers for cation-exchange microextraction. Journal of Chromatography A 1216 (38) : 6549-6553. ScholarBank@NUS Repository. https://doi.org/10.1016/j.chroma.2009.07.056
Abstract: Polyvinyl chloride (PVC) fiber was derivatized by concentrated sulfuric acid to yield sulfonated PVC (PVC-SO3H). The PVC-SO3H fiber had dual properties as a sorbent, based on cation-exchange and hydrophobicity. In the present study, the novel fiber was used directly as an individual device for extraction purposes in the cation-exchange microextraction of anaesthetics, followed by high-performance liquid chromatography-UV analysis. The results demonstrated that this PVC-SO3H fiber-based microextraction afforded convenient operation and cost-effective application to basic analytes. The limits of detection for four anaesthetics ranged from 1.2 to 6.0 ng/mL. No carryover (because of its disposable usage), and no loss of sorbent phase (which normally occurs in stir-bar sorptive extraction) during extraction were observed. © 2009 Elsevier B.V. All rights reserved.
Source Title: Journal of Chromatography A
URI: http://scholarbank.nus.edu.sg/handle/10635/94967
ISSN: 00219673
DOI: 10.1016/j.chroma.2009.07.056
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