Stationary Phase for Gas Chromatography on the Basis of a Precursor of Macroheterocycles and a Nematic Liquid Crystal
- Authors: Kuvshinova S.A.1, Novikov I.V.1, Kuvshinov G.V.1, Litov K.M.2, Burmistrov V.A.1, Islyaikin M.K.1, Koifman O.I.1,3
-
Affiliations:
- Ivanovo State University of Chemistry and Technology
- Federal State Budgetary Educational Institution of Higher Education
- Krestov Institute of Solution Chemistry
- Issue: Vol 89, No 3 (2019)
- Pages: 574-579
- Section: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/222827
- DOI: https://doi.org/10.1134/S1070363219030381
- ID: 222827
Cite item
Abstract
The stationary phase for gas chromatography on the basis of the chiral R(+)-1′,7′,7′-trimethylbicyclo-[2.2.1]heptano[2′,3′-b]-2,3-dicyanopyrazine (10.4 wt %) and a liquid crystalline 4,4′-dihexyloxyazoxybenzene was studied. The phase transition temperatures of the binary mixture were measured by polarizing microscopy. It was shown that the chiral camphor-substituted 2,3-dicyanopyrazine induces formation of an enantiotropic chiral helically coiled nematic phase in the achiral liquid crystal over a wide temperature range. The gas chromatographic retention times of organic compounds on this sorbents were measured. The structural and chiral selectivity of the stationary phase on the basis of a liquid crystal and camphor-substituted 2,3-dicyanopyrazine was determined. The retention volumes, activity coefficients, and sorption enthalpies and entropies were calculated and analyzed.
About the authors
S. A. Kuvshinova
Ivanovo State University of Chemistry and Technology
Email: burmistrov@isuct.ru
Russian Federation, pr. Sheremetevskii 7, Ivanovo, 153000
I. V. Novikov
Ivanovo State University of Chemistry and Technology
Email: burmistrov@isuct.ru
Russian Federation, pr. Sheremetevskii 7, Ivanovo, 153000
G. V. Kuvshinov
Ivanovo State University of Chemistry and Technology
Email: burmistrov@isuct.ru
Russian Federation, pr. Sheremetevskii 7, Ivanovo, 153000
K. M. Litov
Federal State Budgetary Educational Institution of Higher Education
Email: burmistrov@isuct.ru
Russian Federation, pr. Sheremetevskii 8, Ivanovo, 153012
V. A. Burmistrov
Ivanovo State University of Chemistry and Technology
Author for correspondence.
Email: burmistrov@isuct.ru
Russian Federation, pr. Sheremetevskii 7, Ivanovo, 153000
M. K. Islyaikin
Ivanovo State University of Chemistry and Technology
Email: burmistrov@isuct.ru
Russian Federation, pr. Sheremetevskii 7, Ivanovo, 153000
O. I. Koifman
Ivanovo State University of Chemistry and Technology; Krestov Institute of Solution Chemistry
Email: burmistrov@isuct.ru
Russian Federation, pr. Sheremetevskii 7, Ivanovo, 153000; ul. Akademicheskaya 1, Ivanovo, 153040
![](/img/style/loading.gif)