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Abstract
Determination of analytes at trace levels in complex samples (e.g. biological or contaminated water or soils) are often required for the environmental assessment and monitoring as well as for scientific research in the field of environmental pollution. A limited number of analytical techniques are sensitive enough for the direct determination of trace components in samples and, because of that, a preliminary step of the analyte isolation/enrichment prior to analysis is required in many cases. In this work the newest trends and innovations in liquid phase microextraction, like: single-drop microextraction (SDME), hollow fiber liquid-phase microextraction (HF-LPME), and dispersive liquid–liquid microextraction (DLLME) have been discussed, including their critical evaluation and possible application in analytical practice. The described modifications of extraction techniques deal with system miniaturization and/or automation, the use of ultrasound and physical agitation, and electrochemical methods. Particular attention was given to pro-ecological aspects therefore the possible use of novel, non-toxic extracting agents, inter alia, ionic liquids, coacervates, surfactant solutions and reverse micelles in the liquid phase microextraction techniques has been evaluated in depth. Also, new methodological solutions and the related instruments and devices for the efficient liquid phase micoextraction of analytes, which have found application at the stage of procedure prior to chromatographic determination, are presented.
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Authors (4)
-
Miguel de la Guardia
- University of Valencia Department of Analytical Chemistry, Research Building
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
TALANTA.The International Journal of Pure and Applied Analytical Chemistry
no. 119,
pages 34 - 45,
ISSN: 0039-9140 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Spietelun A., Marcinkowski Ł., De La Guardia M., Namieśnik J.: Green aspects, developments and perspectives of liquid phase microextraction techniques// TALANTA. -Vol. 119, (2014), s.34-45
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.talanta.2013.10.050
- Verified by:
- Gdańsk University of Technology
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