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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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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2009, 1, 71—77. |
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Thermodynamic Properties and Selectivity of High-Temperature Liquid Crystals as Stationary Phases for Gas Chromatography
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D. S. Fokin1, S. A. Kuvshinova1, V. A. Burmistrov1, S. V. Blokhina2, O. I. Koifman1
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Author affiliations
1Ivanovo State University of Chemistry and Technology
153460 Ivanovo, Av. F. Engel’s, 7.
E-mail: burmistrov@isuct.ru
2Institute of Solution Chemistry, Russian Academy of Sciences
153045 Ivanovo, Akademicheskaya Str., 1.
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Abstract
The retention of xylene, cresol, methylanisol, toluidine and lutidine isomers by 4-[4-cyanophenyl]-N-[4-(6-hydroxyhexyloxy)benziliden]aniline (I) and 4-cyanophenyl ester of 4-[4'-(2-hydroxyethyloxy)phenylazo]cinnamic acid (II) has been studied by gas chromatogra-phy. The thermodynamic interpretation of the nematic phase structural selectivity was proposed.
Keywords: liquid crystals, isomers, thermodynamic properties, selectivity, gas chromatography
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