Abstract
The macroscopic self‐diffusion coefficient as well as the Newtonian and rheological viscosity coefficients of concentrated monodisperse neutral and charged colloidal suspensions consisting of spherical particles are deduced, by a simple scaling relation, from those of dense hard sphere fluids, where they have been obtained by kinetic theory. The analogy between the two dense fluid systems is based on the similarity of a basic cage‐diffusion process in the two fluids. Good agreement is found with existing experiments of concentrated charged and neutral suspensions. A comparison is also made with the theory of Beenakker and Mazur for moderately concentrated colloidal suspensions.
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