Sorption Properties and Enantioselectivity of a Binary Sorbent Based on an Ionic Liquid and Partially Methylated β-Cyclodextrin

The sorption and selective properties of a mixed stationary phase based on an ionic liquid (1-butyl-3-methylimidazolium bromide) and partially methylated β-cyclodextrin are studied by reversed-phase gas chromatography. The thermodynamic characteristics of sorption are determined for 30 volatile orga...

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Bibliographic Details
Published in:Protection of metals and physical chemistry of surfaces 2022-12, Vol.58 (6), p.1199-1205
Main Authors: Kuraeva, Yu. G., Onuchak, L. A., Kapralova, T. S.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Cyclodextrins
Enantiomers
Gas chromatography
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Investigation Methods for Physicochemical Systems
Ionic liquids
Materials Science
Metallic Materials
Selectivity
Shape effects
Sorbents
Sorption
Tribology
VOCs
Volatile organic compounds
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Summary:The sorption and selective properties of a mixed stationary phase based on an ionic liquid (1-butyl-3-methylimidazolium bromide) and partially methylated β-cyclodextrin are studied by reversed-phase gas chromatography. The thermodynamic characteristics of sorption are determined for 30 volatile organic compounds from different classes. The effect of the size, shape, and polarity of the molecules on the strength of the formed sorbate–macrocycle associates is shown. It is found that the studied stationary phase possesses para-metha -selectivity and enantioselectivity.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205122060090