Reerink-Overbeek expression

Unequal-sized spheres with different (or same) surface potential in a single electrolyte and H / i, R2 (Reerink-Overbeek expression). /64)ueeoRi Rikg J 2 ... 

X 10 J, respectively, and the zeta potential is -40 mV. Assume that the interpartiele separation can be considered small and that aU partieles have the same size but that the Debye-Huekel assumption cannot be made (i.e. the Reerink-Overbeek expression applies, see Table 10.5). 

Equation 11.1 can also be derived from DLVO using the Reerink-Overbeek expression for the electrostatic term (Table 10.5) and the expression for the vdW interactions between two equal-sized spheres ... 

The electrostatic and composite interaction energies must be calculated. For two unequal-sized spheres with the same surface potential the Reerink-Overbeek expression (Table 10.5) is used for the interaction energy ... 

In more quantitative terms can now be taken in conjunction with the properties of the medium to obtain an expression for the electrostatic repulsive potential energy, V. As an example, Reerink and Overbeek (14) found for two spheres of radius a, with their surfaces separated by a distance h, the expression -... 

This expression given by Reerink and Overbeek (1954) is for the electrostatic mtoaetton between two spheres of equal radius a of constant... 

A general expression for the repulsive interaction between the electrical double layers around two spherical particles is quite complex and does not warrant discussion here. A simple and relatively good approximate equation derived by Reerink and Overbeek is... 

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