Abstract

The stability diagrams of concentrated colloidal dispersions modelled by a system of equal spheres located at the points of an infinite cubic lattice are calculated. Analysis of the stability diagrams shows that the results are similar to those we obtained previously on the basis of a two-dimensional model [1]: there is a certain limit of the content of dispersed phase in the solution, above which the colloidal system cannot be stable. To provide stability of a colloidal dispersion a minimal electrolyte concentration in the solution is necessary, and the coagulating electrolyte concentration as a function of the particle radius exhibits a maximum.

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