An experimental and molecular-statistical study of the adsorption of the iodobenzene, 2-iodothiophene, and isomeric iodoadamantane molecules on the graphite basal face surface |
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Authors: | S N Yashkin B A Murashov and Yu N Klimochkin |
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Abstract: | The thermodynamic characteristics of adsorption of iodobenzene, 2-iodothiophene, and 1- and 2-iodoadamantanes on the surface
of graphitized thermal carbon black were determined experimentally. The influence of the special features of the molecular
structure of the adsorbates on the thermodynamic characteristics of adsorption was studied. The atom-atom approximation of
the semiempirical molecular-statistical theory of adsorption was used to calculate the thermodynamic characteristics of adsorption
of the adsorbates using the newly determined potential function parameters of pair intermolecular interaction (φ(r)) of I with C atoms of the basal graphite face. For the example of isostructural monohalogenated benzenes, thiophenes, and
adamantanes, a comparative analysis of the contributions of the F, Cl, Br, and I atoms to the thermodynamic characteristics
of adsorption was performed for the nonspecific adsorption of these compounds on a plane graphitized carbon black surface. |
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