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The cavity models and the curvature dependence of the surface tension. Spherical cavities in anisotropic solvents

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Abstract

In the present work the solution process of globular solutes (xenon, cyclohexane, cyclooctane and adamantane) in n-alkane solvents is analyzed. New experimental data on solution enthalpies of adamantane in those solvents are presented. The cavity model previously proposed is corrected with respect to the dependence of the surface tension on the curvature radius of the microscopic cavity and a new equation is proposed to describe this dependence.

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Authors and Affiliations

  1. CECUL, Faculdade de Ciências da Universidade de Lisboa, Cd. Bento da Rocha Cabral 14, 1200, Lisboa, Portugal

    Raquel M. C. Gonçalves & Ana M. N. Simões

  2. Centro de Química-Física Molecular, Complexo I, Instituto Superior Técnico, Av. Rovisco Pais, 1096, Lisboa Codex, Portugal

    Joaquim J. Moura-Ramos

Authors
  1. Raquel M. C. Gonçalves
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  2. Ana M. N. Simões
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  3. Joaquim J. Moura-Ramos
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Gonçalves, R.M.C., Simões, A.M.N. & Moura-Ramos, J.J. The cavity models and the curvature dependence of the surface tension. Spherical cavities in anisotropic solvents. J Solution Chem 22, 507–517 (1993). https://doi.org/10.1007/BF00646928

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  • DOI: https://doi.org/10.1007/BF00646928

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