Abstract
The adsorption of hetero- and alicyclic thiophene derivatives synthesized for the first time from water-acetonitrile solutions with various compositions on the surface of porous graphitic carbon was studied by the high-performance liquid chromatography method. The retention factor and Henry adsorption constant values and equilibrium constants of quasi-chemical reactions of the adsorption and solvation of the heterocyclic compounds studied were calculated using the Lanin-Nikitin equation. The influence of the structure of hetero- and alicyclic thiophene derivative molecules on their adsorption on the surface of porous graphitic carbon and solvation in water-acetonitrile solutions was discussed. The Lanin-Nikitin model was found to be more informative in the interpretation of the adsorption-chromatographic experiment data compared with the Snyder-Soczewinski and Scott-Kucera models.
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Original Russian Text © B.R. Saifutdinov, N.S. Emel’yanova, S.V. Kurbatova, A.A. Pimerzin, 2012, published in Zhurnal Fizicheskoi Khimii, 2012, Vol. 86, No. 7, pp. 1270–1279.
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Saifutdinov, B.R., Emel’yanova, N.S., Kurbatova, S.V. et al. The adsorption of hetero- and alicyclic thiophene derivatives from water-acetonitrile solutions on the surface of porous graphitic carbon under high-performance liquid chromatography conditions. Russ. J. Phys. Chem. 86, 1152–1160 (2012). https://doi.org/10.1134/S0036024412060234
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DOI: https://doi.org/10.1134/S0036024412060234