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|Title:||Sulfonated polyvinyl chloride fibers for cation-exchange microextraction|
|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|
|Appears in Collections:||Staff Publications|
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