Fig. 4 Values of log IAP vs. time for selected kinetic series. a) log IAP for Al(OH)3 (Eq. [1a]); b) log IAP for imogolite (Eq. [1b]). Initial H+-concentrations were 18.0 mM for (AE), 27.5 mM for Bh, 5.7 mM for Bs, 9.7 mM for BC1, and 9.8 mM for BC2