Phase equilibrium of the quaternary system K 2 SO 4 –MgSO 4 –(NH 4 ) 2 SO 4 –H 2 O at 25 °C

• Determination of the phase equilibrium of K 2 SO 4 –MgSO 4 –(NH 4 ) 2 SO 4 –H 2 O system at 25 °C.