The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Theory of analyte extraction by selected porous polymer SPME fibres†
Abstract
Extraction of analytes by the new porous polymer solid phase microextraction (SPME) fibres is based on adsorption rather than absorption. The equilibrium theory developed for the liquid poly(dimethylsiloxane) (PDMS) coating does not apply to these coatings. The paper presents theoretical description of the extraction process for adsorption-type fibres, including PDMS–DVB (divinyl benzene), Carbowax–DVB and Carbowax–TR (template resin). The model is based on Langmuir adsorption isotherm. Expressions describing the amount of analyte extracted by the fibre in two- and three-phase systems are presented and discussed. The effect of selected experimental variables is discussed. In general, there is a non-linear dependence between the amount of an analyte extracted by the fibre and its concentration in a sample. The dependence can be approximated by a straight line for low concentrations only. Matrix composition can significantly affect the amount extracted. Interferences co-extracted with the analyte of interest may reduce the amount extracted and the quasi-linear range of the response. Great care should be exercised therefore when performing quantitative analysis with porous polymer SPME fibres. The phenomena discussed are illustrated on an example of benzene and 4-methyl-2-pentanone extraction from water by PDMS–DVB and Carbowax–DVB fibres.
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Citations
Cites
Prosen, H., & Zupančič-Kralj, L. (1999) · TrAC Trends in Analytical Chemistry · doi:10.1016/s0165-9936(98)00109-5 · Cited by 565
Górecki, T., & Pawliszyn, J. (1996) · Analytical Chemistry · doi:10.1021/ac9601270 · Cited by 101
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Cited by
Evolution of solid-phase microextraction technology
Lord, H., & Pawliszyn, J. (2000) · Journal of Chromatography A · doi:10.1016/s0021-9673(00)00535-5 · Cited by 787
Self-citationSolid‐phase microextraction: a powerful sample preparation tool prior to mass spectrometric analysis
Vas, G., & Vékey, K. (2004) · Journal of Mass Spectrometry · doi:10.1002/jms.606 · Cited by 615
Lord, H., & Pawliszyn, J. (2000) · Journal of Chromatography A · doi:10.1016/s0021-9673(00)00836-0 · Cited by 468
Self-citationSouza-Silva, É. A., Jiang, R., Rodríguez-Lafuente, A., Gionfriddo, E., & Pawliszyn, J. (2015) · TrAC Trends in Analytical Chemistry · doi:10.1016/j.trac.2015.04.016 · Cited by 335
Self-citationVinegar volatile organic compounds: analytical methods, constituents, and formation processes
Xie, Z., Koysomboon, C., Zhang, H., Lu, Z., Zhang, X., & Chen, F. (2022) · Frontiers in Microbiology · doi:10.3389/fmicb.2022.907883 · Cited by 33
Metadata
- Authors
- Górecki, T., Yu, X., & Pawliszyn, J.
- Venue
- The Analyst
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 1999
- Volume
- 124
- Issue
- 5
- Pages
- 643-649
- ISSN
- 0003-2654 (ISSN-L)
- 1364-5528
- OpenAlex
- W2141904929
- Cited by
- 301
- References
- 2
- FWCI
- 19.65
- Type
- journal article
- Language
- en
- Open access
- closed
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