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Abstract
Because of their specific physical and chemical properties (amphiphilicity, solubility in polar and nonpolar liquids, ability to form micelles, adsorption at phase boundaries, low toxicity) surfactants (surface-active compounds) are widely applied in industry and in the household. As their applications are on a very large scale, it has become necessary to acquire a more detailed understanding of their environmental fate.In the methodologies for analysing environmental samples, the isolation and/or preconcentration of analytes constitutes an important step. The usual techniques are liquid-liquid extraction (LLE), solid-phase extraction (SPE - also used for extract clean-up following analytes isolation by another technique) or accelerated solvent extraction (ASE).For the analysis of samples/extracts, depending on whether information is required - the total concentration or the levels of particular surface-active compounds in environmental samples - spectrophotometry, tensammetry or electrophoresis, and chromatography may be used. Nowadays, high-performance liquid chromatography (HPLC) is usually coupled with a universal mass spectrometry detector (MS) (or tandem mass spectrometry detector MS-MS), what allows for detection, identification and quantification the various compounds in a particular group of surfactants in suitably prepared solvent extracts.
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
TALANTA.The International Journal of Pure and Applied Analytical Chemistry
no. . 88,
pages 1 - 13,
ISSN: 0039-9140 - Language:
- English
- Publication year:
- 2012
- Bibliographic description:
- Olkowska E., Polkowska Ż., Namieśnik J.: Analytical procedures for the determination of surfactants in environmental samples// TALANTA. -Vol. . 88, (2012), s.1-13
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.talanta.2011.10.034
- Verified by:
- Gdańsk University of Technology
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