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Liquid–liquid equilibrium (LLE) data for quaternary systems containing ethanol+2-propanol+salt [(NH4)2SO4/Na2SO4]+water were experimentally determined at 308.15, 318.15 and 328.15K. Binodal curves were fitted to four empirical nonlinear equations, whereas tie-lines were fitted to the Setschenow-type equation and its temperature-dependent expression as well as another two-parameter equation. All of...
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