par Sanfeld, Albert ;Devillez, Claude ;Terlinck, P.
Référence Journal of colloid and interface science, 32, 1, page (33-40)
Publication Publié, 1970
Article révisé par les pairs
Résumé : The influence of molar volumes and of polarization of the electrolyte on the repulsion energy and on the second virial coefficient was studied. With the same superficial charge, the values of the second virial coefficients calculated for different electrolytes are slightly higher (a few per cent) than those calculated with Vrij's classical theory, and the observed sequence is: HCl > LiCl > NaCl > Verwey-Overbeek With the same surface potential, we observe larger differences and an inversion of the sequence observed before. The differences are larger when (1) the dimensions of the colloid are small, (2) the concentration of the electrolyte is large, and (3) the surface potential is high. Finally, the influence of the nonideality of the solution gives larger differences. © 1970.