Research Article

Solid-Liquid Phase Equilibria of the Quaternary System NaCl + NH4Cl + NaHCO3 + NH4HCO3 + H2O at 283.15 and 313.15 K

Figure 5

Physicochemical properties versus composition diagram of the quaternary system (NaCl + NH4Cl + NaHCO3 + NH4HCO3 + H2O) at 283.15 K (a) density versus J (NH4+); (b) refractive index versus J (NH4+).
(a)
(b)