The stability of suspensions and emulsions against coagulation is governed by the forces
between the particles. The main forces are: van der Waals attraction, electrostatic repulsion, …

Monodisperse colloidal systems may form spontaneously (protein solutions, micellar solutions,
micro-emulsions) or be obtained by fractionation (Perrin's suspensions of gamboge) or …

A new calculation of the relation between the electrophoretic mobility and the ζ-potential of
a spherical colloid particle is presented. The model consists of a rigid, electrically insulating …

The form of the energy barrier between two sol particles is calculated from the electrical
repulsion and the van der Waals attraction. Flocculation is retarded by this barrier, and the …

Thesurfaces of thin liquid films are slightly corrugated because of thermal fluctuations.
These cor-rugations show up in the light scattered by these films. It can be shown that …

The variation of the dielectric constant and the viscosity in the electrical double layer are
considered. The Helmholtz-Smoluchowski equation for the electrophoretic mobility requires …

The surface structure of finely ground quartz particles, ranging in size from 1 to 50 µ, was
studied by dissolution measure-ments in NaOH solutions. The results indicate the presence of …

In this thesis, a theoretical treatment of the relation between electrophoretic velocity and the
potential of the double layer of colloidal particles is presented. Translators' note: The theory …

The stability of suspensions in solvents of very low polarity is treated in part 1 of this paper.
Theoretical considerations lead to the conclusion, that quite modest electric charges and [-…

A theory for the stabilization of dispersions by adsorbed macromolecules (“protective action”)
is given in terms of a volume restriction repulsion, due to the decrease of configurational …