Solid-Liquid Phase Equilibria for the Ternary System KNO₃ + KH₂PO₄ + H₂O at 283.15, 298.15, and 313.15 K

Figure 3

Equilibrium phase diagram of the ternary system KH₂PO₄ + KNO₃ + H₂O at (a) 283.15 and (b) 298.15 K. equilibrium liquid phase composition; moist solid phase composition; A, pure solid of KH₂PO₄; B, pure solid of KNO₃; W, water; E and G, solubility of KH₂PO₄ in water; F and K, solubility of KNO₃ in water; T and D, cosaturated point of KNO₃ and KH₂PO₄.

(a)

(b)