Figure 7: Prediction of surface tension of NaCl-water binary system using the new model. Experimetal data are taken from ref. [10]. (▲: T=291.15K; ◼: T=313.15K; ⚫: T=333.15K; ♦: T=393.15K; □: T=423.15K; ⚪: T=443.15K).