Interaction of divalent cations with basal planes and edge surfaces of phyllosilicate minerals: Muscovite and talc

Stern potentials of different faces of (a) muscovite and (b) talc in 1 mM KCl solution of different Ca2+ and Mg2+ concentrations at pH 8.5, obtained by fitting the measured AFM force profiles to the classical DLVO theory, showing different binding mechanisms of divalent cations with basal planes and edge surfaces.84