Abstract
The role of chemical complexing in the preparation of monodispersed metal hydrous oxides of iron, aluminum, and titanium is discussed. Specifically, the effect of anions on the size, shape, and composition of the colloidal particles is emphasized. A reaction mechanism is offered which explains the nucleation and growth process involved in the formation of uniform spherical particles of titanium dioxide in acidic solutions containing sulfate ions. To illustrate the influence of chemical complexing in the solution and at the interface on the stability of colloidal dispersions, the interactions of hydrolyzed metal ions and of chelates with latexes and silver halide sols are described. Finally, new data on the adhesion of monodispersed chromium hydroxide particles on glass are given.
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