抄録
The vapor pressures of pure DMSO were measured from 30 to 150°C by ths isoteniscopic method. An empirical equation for P-T correlation is given and molal heats of vaporization are calculated.
The vapor-liquid equilibrium compositions and temperatures were determined experimentally under isobaric conditions of 550, 350, and 150 mmHg pressures for DMSO-H2O system. The activity coefficients are correlated to liquid compositions by Chao and Hougen''s equation.
