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

Figure 3

X-ray diffraction patterns of solid phases for the invariant points in the systems NaCl + NH₄Cl + NaHCO₃ (a) and NH₄HCO₃ + NH₄Cl + NaHCO₃ (b).

(a)

(b)