T = 293,15-295,15 K, The reactivity of the kaolinite aluminol group was assumed to be identical to that of the gibbsite aluminol group [EA08], SSA and Capacitance from [SEM99] [R82a], uncertain values for ionic strength (0.001 or 0.01 mol L-1 NaCl), uncertain values for site density (0.7-0.9) , used medium value here