Properties of TiO2 hydrosols synthesized by hydrolysis of titanium tetraethoxide.

Autor: Kremer, F., Lagaly, G., Palberg, T., Ballauff, M., Ghenne, E., Dumont, F., Buess-Herman, C.
Zdroj: Optical Methods & Physics of Colloidal Dispersions; 1997, p135-137, 3p
Abstrakt: The TiO2 hydrosols studied in this work were synthesized by hydrolysis of titanium tetraethoxide according to Zukoski's method. Critical coagulation concentrations (CCC) were measured for pH values ranging from 2 to 12 in the presence of various monovalent ions. The observed ionic adsorption sequences are explained in terms of an extension of Gurney concept of ion-ion interactions. The influence of the volume fraction of the solid is also reported and explained by the coagulation-repeptization theory. [ABSTRACT FROM AUTHOR]
Databáze: Supplemental Index