The salt effect on vapor/liquid equilibrium for an ethanol/water system was studied at 70 degrees C using the Headspace Gas Chromatography technique. The azeotropic point of the system was eliminated in the presence of the salts studied. All the salts investigated in this work exhibited a salting out effect which followed the order of NH4Cl > NaCl > CaCl2 and which increased with increasing salt concentration. Good agreement with Furter＇s equation was observed for the experimental data with unsaturated NaCl salt. The salt effect parameter, determined from Furter＇s equation, was found to be a function of the liquid concentration.