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Ionic liquids as stationary phases for fatty acid analysis by gas chromatography

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Abstract

The present paper provides an overview of the application of ionic liquid (IL) columns for GC analysis of fatty acid methyl esters (FAMEs). Although their separation can be carried out utilizing GC columns containing polar stationary phases, some ILs have been employed as stationary phases, either commercial or laboratory made, in GC analysis. Monodimensional and bidimensional GC methods have been optimized in order to achieve the best separation especially considering the geometric and positional isomers of unsaturated fatty acids. Several methods for the analysis of trans-fatty acids have also been reported. The use of GC–GC, using either the same IL columns or different columns in the first and second dimensions, allowed the separation of a large number of FAMEs. The application of the IL columns for GC analysis of FAMEs in different types of real samples is described, e.g., oil of different nature (fish, flaxseed, and olive), margarine and butter, biodiesel, milk, bacteria etc.

Graphical abstract: Ionic liquids as stationary phases for fatty acid analysis by gas chromatography

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Publication details

The article was received on 11 Aug 2017, accepted on 25 Oct 2017 and first published on 26 Oct 2017


Article type: Critical Review
DOI: 10.1039/C7AN01338H
Citation: Analyst, 2017, Advance Article
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    Ionic liquids as stationary phases for fatty acid analysis by gas chromatography

    C. Fanali, G. Micalizzi, P. Dugo and L. Mondello, Analyst, 2017, Advance Article , DOI: 10.1039/C7AN01338H

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