Research Article

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

Figure 2

Equilibrium phase diagram of the ternary system KH2PO4 + KNO3 + H2O at 313.15 K. equilibrium liquid phase composition; moist solid phase composition; A, pure solid of KH2PO4; B, pure solid of KNO3; W, water; M, solubility of KH2PO4 in water; N, solubility of KNO3 in water; S, cosaturated point of KH2PO4 and KNO3.