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Capillary effects and information concerning the pore structure of adsorbents

1. Adsorption and capillary vaporization of nitrogen from adsorbent mesopores

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

Conclusions

  1. 1.

    The attempt has been made to allow for the dependence of the surface tension on the radius of curvature of the liquid adsorbate meniscus in the Deryagin-Broekhoff-de Boer treatment of the capillary evaporation of nitrogen from cylindrical pores at 77.3°K.

  2. 2.

    Computer calculations have given comparable raw data for the development of mesopore distribution curves for adsorbents and catalysts based on the Kelvin equation and certain variants of the Deryagin-Broekhoff-de Boer method.

  3. 3.

    Estimates made of the range of pore radii over which the effects covered by these corrections to the Kelvin equation might be expected to predominate.

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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. 3, pp. 510–516, March, 1977.

The authors would like to thank V. A. Bakaev and N. V. Churaev for discussion of certain problems which arose in the course of this work.

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Dubinin, M.M., Kataeva, L.I. & Ulin, V.I. Capillary effects and information concerning the pore structure of adsorbents. Russ Chem Bull 26, 459–463 (1977). https://doi.org/10.1007/BF01179442

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  • DOI: https://doi.org/10.1007/BF01179442

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