NDLI: Supercritical-fluid extraction coupled with immunoaffinity clean-up for the trace analysis of organic pollutants in different matrices

Content Provider	Springer Nature Link
Author	Pichon, V. Aulard Macler, E. Oubihi, H. Sassiat, P. Hennion, M. C. Caude, M.
Copyright Year	1997
Abstract	Supercritical-fluid extraction (SFE) has been investigated for the extraction of organic micropollutants, including pesticides and polyaromatic hydrocarbons (PAH) from soils and soot, respectively. Extraction recoveries for all the compounds studied were improved by optimization of conditions influencing extraction efficiency (e.g. pressure, temperature, use of modifiers). Triazines and their polar metabolites were extracted from a native contaminated soil by use of carbon dioxide modified with a mixture and methanol and water. SFE was also applied to the extraction of more hydrophobic compounds, PAH, from certified soot. Different types of modifier were used to enhance the extraction recovery. This optimization emphasizes the occurrence of strong interactions between the compounds and the matrix. Conditions were selected by adjusting the selectivity of the extraction to limit the co-extraction of interfering compounds. Remaining co-extracted compounds were removed by cleaning the extract by immunoaffinity adsorption. This method enables achievement of the limits of quantification required for the two matrices.
Starting Page	529
Ending Page	536
Page Count	8
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	46
Issue Number	9-10
e-ISSN	16121112
Language	English
Publisher	Vieweg Verlag
Publisher Date	1997-01-01
Publisher Place	Wiesbaden
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Supercritical-fluid extraction Immunoaffinity clean-up Triazines and metabolites PAH Soil Soot Analytical Chemistry Organic Chemistry Pharmacy Biochemistry Plant Sciences Measurement Science, Instrumentation
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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