Surfactant cloud point extraction and preconcentration of organic compounds prior to chromatography and capillary electrophoresis
Abstract
The use of preconcentration steps based on phase separation by the cloud point technique offers a convenient alternative to more conventional extraction systems. It has been used successfully for the preconcentration of species of widely differing character and nature, such as metal ions, proteins and other biomaterials, or organic compounds of strongly differing polarity. Here we address the most recent analytical applications of this methodology when used as an isolation and trace enrichment step prior to the analysis of organic compounds (polycyclic aromatic hydrocarbons, polychlorinated compounds, pesticides, phenolic derivatives, aromatic amines, vitamins, etc.) via liquid and gas chromatography or capillary electrophoresis.
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Choices of surfactants often bring nuisance to the analysis of analytes using GC and HPLC.
“Despite many benefits of using cloud-point extraction, the choices of the surfactants often bring the nuisance to the analysis of analytes using some instruments analyses such as GC and HPLC [18,19].”
From Determination of organic compounds in water using dispersive liquid–liquid microextraction (2006) · cites this paper as [18]
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- Authors
- Carabias-Martı́nez, R., Rodrı́guez-Gonzalo, E., Moreno-Cordero, B., Pérez-Pavón, J. L., Garcı́a-Pinto, C., & Fernández Laespada, E.
- Affiliations
- Universidad de Salamanca (ES)
- Corresponding author
- Carabias-Martı́nez, R
- Venue
- Journal of Chromatography A
- Publisher
- Elsevier BV
- Published
- 2000-11
- Volume
- 902
- Issue
- 1
- Pages
- 251-265
- ISSN
- 0021-9673 (ISSN-L)
- OpenAlex
- W2081768432
- Cited by
- 392
- References
- 0
- Citations by year
- 2026: 3 · 2025: 2 · 2024: 7 · 2023: 11 · 2022: 5 · 2021: 11 · 2020: 10 · 2019: 9 · 2018: 10 · 2017: 18 · 2016: 18 · 2015: 13 · 2014: 21 · 2013: 16 · 2012: 27
- FWCI
- 1.09
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Chromatography A (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Chemistry › Analytical Chemistry › Analytical chemistry methods development
- Physical Sciences › Chemistry › Spectroscopy › Analytical Chemistry and Chromatography
- Physical Sciences › Chemical Engineering › Filtration and Separation › Chemical and Physical Properties in Aqueous Solutions
- Keywords
- cloud point extraction, polycyclic aromatic hydrocarbons, polychlorinated compounds, pesticides, phenol derivatives, aromatic amines, vitamins, trace enrichment, sample preparation
- MeSH terms
- Chemistry, Physical, Chromatography, Environmental Pollutants, Humans, Micelles, Polychlorinated Biphenyls, Surface-Active Agents, Vitamins, Electrophoresis, Capillary, Chemical Phenomena
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