Stable (solid + liquid) phase equilibrium for the ternary systems (K2SO4 + KH2PO4 + H2O), (K2SO4 + KCl + H2O) at T = 313.15 K

Phase diagram for the ternary system (K2SO4 + KCl + H2O) at T = 313.15 K and P = 88.35 KPa
- equilibrium liquid phase composition; □, moist solid phase composition; 100w1: K2SO4 wt% ; 100w3: KCl wt%.