Page 194 - Introduction to Colloid and Surface Chemistry
P. 194

Particle surface
                    Stern plane
                    Surface of  shear















                              Diffuse  layer
                              Stern  layer












                 1 /K        Distance
         Figure  7.2  Schematic representation  of  the  structure  of  the  electric  double  layer
         according to Stern's theory



















        Figure  7.3  (a)  Reversal  of  charge  due  to  the  adsorption  of  surface-active  or
        polyvalent counter-ions,  (b)  Adsorption  of surface-active  co-ions
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