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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Rus Eng


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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2011, 1, 85—94.

Gas Chromatographic Sorption of Organic Compounds by Liquid Crystal Sorbent «MEAB – Methyl-β-Cyclodextrin»

L. A.Onuchak, T. S. Burmatnova, R. Yu. Popov, Yu. G. Kuraeva, E. A. Spiryaeva

Author affiliations
Samara State University
443011 Samara, st. Ac. Pavlova, 1. 

Mesomorphic, sorption and selective properties of stationary phase, based on nematic 4-metoxy-4'-etoxyazoxybenzene and chiral macrocyclic additive – methyl-β-cyclodextrin (10,07 mas. %) were investigated. Low values of para-meta- selectivity and absence of enanthyoselectivity for this system were marked for both straight (N) and reverse (N*) temperature processes. Thermodynamic sorption functions analysis showed that the investigated stationary phase could be described by strong «liquid crystal – macrocycle» interaction.

Keywords: liquid crystal, chiral macrocycle, composite sorbents, gas chromatography, selectivity, enanthyselectivity

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