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(a): a 3D version of the classical solubility phase diagrams for the ternary system Ca(OH)2–H3PO4–H2O. Reprinted from [150] with permission. (b,c): solubility phase diagrams in two-dimensional graphs, showing two logarithms of the concentrations of (a) calcium and (b) orthophosphate ions as a function of the pH in solutions saturated with various salts. Reprinted from [151] with permission.
