Fig. 7
From: Dissolution and solubility of the calcium-nickel carbonate solid solutions [(Ca1−xNix)CO3] at 25 °C

Lippmann diagram for the non-ideal (Ca1−xNix)CO3 solid solutions together with the plot of some stoichiometric saturation curves and the experimental data to show the aqueous evolution during the dissolution in N2-degassed water at 25 °C