Abstract
The adsorption of organic vapors on the Carbopack Y carbon adsorbent modified with a mono-molecular layer of heptakis-(2,3,6-tri-O-methyl)-β-cyclodextrin was studied by gas chromatography. The deposition of the macrocyclic modifier on the carbon substrate substantially strengthened the adsorbate—adsorbent intermolecular interactions and led to localization of adsorption due to the inclusion of adsorbate molecules, irrespectively of their polarity, in the macrocyclic voids of the modifier molecules. As a consequence, the thermodynamic characteristics of adsorption were greatly affected by the sizes and spatial structure of adsorbate molecules.
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Original Russian Text © S.Yu. Kudryashov, K.A. Kopytin, M.Yu. Pavlov, L.A. Onuchak, Yu.G. Kuraeva, 2010, published in Zhurnal Fizicheskoi Khimii, 2010, Vol. 84, No. 3, pp. 570–577.
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Kudryashov, S.Y., Kopytin, K.A., Pavlov, M.Y. et al. Adsorption of organic vapors on the Carbopack Y carbon adsorbent modified with heptakis-(2,3,6-tri-O-methyl)-β-cyclodextrin. Russ. J. Phys. Chem. 84, 495–502 (2010). https://doi.org/10.1134/S003602441003026X
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DOI: https://doi.org/10.1134/S003602441003026X