For the description of capillary condensation in systems comprising a great number of touching particles it is necessary to have in mind three kinds of statistical distributions: a) the particle size distribution; b) the distribution of the number of contacts per particle; c) the size distribution of the irregularities on the surface of rough particles.
General equations for the capillary condensation isotherm in various systems of touching particles have been derived for the special case where the menisci around the contacts are still isolated from each other.
A method enabling one to calculate capillary condensation in systems of irregularly shaped particles has been worked out and it has been found that in such systems the amount sorbed may be considerably smaller than in similar systems of smooth spheres.
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Radushkevich, L.V. Studu of capillary condensatation in highly disperse system. Russ Chem Bull 10, 699–704 (1961). https://doi.org/10.1007/BF00905930
- Particle Size
- Particle Size Distribution
- General Equation
- Shaped Particle