Figure 1 presents the calculated liquidus surface and eutectic line of the Na+-K+-Cl–CO₃²⁻ system using Thermo-Calc. It shows a wide composition range with liquidus temperatures between 873~973K.

Figure 1 presents the calculated liquidus surface and eutectic line of the Na+-K+-Cl--CO₃²⁻ system using Thermo-Calc. It shows a wide composition range with liquidus temperatures between 873~973K.

Figure 1 presents the calculated liquidus surface and eutectic line of the Na+-K+-Cl–CO₃²⁻ system using Thermo-Calc. It shows a wide composition range with liquidus temperatures between 873~973K.

Figure 1 presents the calculated liquidus surface and eutectic line of the Na+-K+-Cl--CO₃²⁻ system using Thermo-Calc. It shows a wide composition range with liquidus temperatures between 873~973K.