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Capillary effects and information concerning adsorbent pore structures

6. Methods of allowing for the effect of the meniscus curvature on the surface tension of a mesopore sorbed liquid in capillary vaporization

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The Broeckhoff-de Boer theory of capillary vaporization has been generalized to cover the case in which the liquid surface tension varies with the meniscus curvature.

  2. 2.

    The results of experiments on the capillary vaporization of benzene from a coarsely porous silica gel with known specific surface area have been analyzed.

  3. 3.

    Allowance for the variation of the surface tension of sorbed benzene with the meniscus curvature leads to physically real results if the value of theΩ parameter of the Tolman equation is set equal to one-third of the value calculated theoretically.

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Authors and Affiliations

  1. Institute of Physical Chemistry, Academy of Sciences of the USSR, Moscow

    M. M. Dubinin, L. I. Kataeva & V. I. Ulin

Authors
  1. M. M. Dubinin
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  2. L. I. Kataeva
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  3. V. I. Ulin
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 38–44, January, 1981.

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Dubinin, M.M., Kataeva, L.I. & Ulin, V.I. Capillary effects and information concerning adsorbent pore structures. Russ Chem Bull 30, 25–30 (1981). https://doi.org/10.1007/BF00962247

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  • DOI: https://doi.org/10.1007/BF00962247

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