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Pressurised Fluid Extraction (PFE) as an Alternative General Method for Analysis of Pesticide Residues in Rape Seed
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Chemistry.
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2002 In: The Analyst, Vol. 127, 554-559 p.Article in journal (Refereed) Published
Place, publisher, year, edition, pages
2002. Vol. 127, 554-559 p.
URN: urn:nbn:se:uu:diva-93638OAI: oai:DiVA.org:uu-93638DiVA: diva2:167173
Available from: 2005-10-13 Created: 2005-10-13Bibliographically approved
In thesis
1. Pressurized Fluid Extraction: A Sustainable Technique with Added Values
Open this publication in new window or tab >>Pressurized Fluid Extraction: A Sustainable Technique with Added Values
2005 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The challenge for the future was defined by the Brundtland Commission (1987) and by the Rio Declaration (1992), in which the fundamental principles for achieving a sustainable development were provided. Sustainable chemistry can be defined as the contribution of chemistry to the implementation of the Rio Declaration. This thesis shows how Pressurized Fluid Extraction (PFE) can be utilized in chemical analysis, and how this correlates to Green Chemistry.

The reliability and efficiency of the PFE technique was investigated for a variety of analytes and matrices. Applications discussed include: the extraction of the antioxidant Irganox 1076 from linear low density polyethylene, mobile forms of phosphorus in lake sediment, chlorinated paraffins from source-separated household waste, general analytical method for pesticide residues in rape seed, total lipid content in cod muscle, and squalene in olive biomass. Improved or comparable extraction yields were achieved with reduced time and solvent consumption. The decrease in use of organic solvents was 50-90%, resulting in minimal volatile organic compounds emissions and less health-work problem. Due to higher extraction temperatures and more efficient extractions, the selection of solvent is not as important as at lower temperatures, which makes it possible to choose less costly, more environmentally and health beneficial solvents. In general, extraction times are reduced to minutes compared to several hours. As a result of the very short extraction times, the amount of co-extracted material is relatively low, resulting in fewer clean-up step and much shorter analysis time. Selective extractions could be obtained by varying the solvent or solvent mixture and/or using adsorbents.

In this thesis, the PFE technique was compared to the twelve principles of Green Chemistry, and it was shown that it follows several of the principles, thus giving a major contribution to sustainable chemistry.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2005. 56 p.
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 107
Analytical chemistry, ASE, biomass, green chemistry, household waste, lipid, pesticide, PFE, pressurized fluid extraction, sediment, Analytisk kemi
National Category
Analytical Chemistry
urn:nbn:se:uu:diva-6022 (URN)91-554-6376-2 (ISBN)
Public defence
2005-11-04, Room B42, BMC, Uppsala Biomedical Center, Husargatan 3, Uppsala, 10:00
Available from: 2005-10-13 Created: 2005-10-13 Last updated: 2013-07-05Bibliographically approved

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