Journal
ANALYTICA CHIMICA ACTA
Volume 706, Issue 1, Pages 135-142Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aca.2011.08.028
Keywords
Stir bar sorptive extraction (SBSE); Monolithic polar material; Pharmaceuticals and personal care products (PPCPs); Environmental water samples
Categories
Funding
- Ministry of Science and Innovation [CTQ 2008-0825, CTM 2008-06847-CO2-01]
- Department of Innovation, Universities and Enterprise [2009 SGR 223]
- Ministry of Science and Innovation
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In the present study, a stir bar coated with hydrophilic polymer based on poly(N-vinylpyrrolidone-co-divinylbenzene) was prepared for the sorptive extraction of polar compounds. The main parameters affecting the polymerisation of the coating were investigated. The new stir bar was applied successfully in stir bar sorptive extraction with liquid desorption followed by liquid chromatography-mass spectrometry in tandem with a triple quadrupole for the determination of a group of polar pharmaceuticals and personal care products (PPCPs) in environmental water matrices. Different variables affecting extraction and desorption such as agitation speed, temperature, ionic strength and extraction time were optimised. The results showed that the stir bar is able to enrich the selected analytes effectively. The developed method was applied to determine a group of PPCPs in different complex environmental samples, including river, effluent and influent waste water. (C) 2011 Elsevier B.V. All rights reserved.
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