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A modular approach to pressurized liquid extraction with in-cell clean-up
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
2010 (English)In: LC GC Europe, ISSN 1471-6577, Vol. 23, no 6, 292-301 p.Article in journal (Refereed) Published
Abstract [en]

A new concept for the extraction of solid samples has been developed. The popular pressurized liquid extraction (PLE) technique has been modified so that the extraction cell can be divided, which greatly increases the flexibility and versatility of this technique. The system uses simple adaptors to couple commercially available extraction cells, which may be loaded with either sample or adsorbent(s). These segmented extraction cells make it possible to selectively retain analytes or matrix to achieve simultaneous extraction and clean-up or fractionation. The ultimate aim is to perform simultaneous extraction and clean-up and obtain a purified extract that is ready for instrumental analysis, all in line with current trends in analytical chemistry to automate and streamline the analytical procedures to reduce the analysis costs, solvent consumption, manual labour and increase the quality of analysis. Selected modes of operations are presented and a few recent environmental applications of modular PLE are reviewed.

Place, publisher, year, edition, pages
Duluth, MN: Advanstar Communications, Inc. , 2010. Vol. 23, no 6, 292-301 p.
Keyword [en]
pressurized liquid extraction, PLE, analytical chemistry
National Category
Chemical Process Engineering
URN: urn:nbn:se:umu:diva-38827ISI: 000279134700001OAI: diva2:382637
Available from: 2011-01-03 Created: 2011-01-03 Last updated: 2015-10-02Bibliographically approved

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Haglund, PeterSpinnel, Erik
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