Publication - Journal Article Thermodynamic Model for BiPO4(cr) and Bi(OH)3(am) Solubility in the Aqueous Na+–H+– $\mathrm{H}_{2}\mathrm{PO}_{4}^{-}$ – $\mathrm{HPO}_{4}^{2-}$ – $\mathrm{PO}_{4}^{3-}$ –OH−–Cl−–H2O System