LOWER CRITICAL SOLUTION COEXISTENCE CURVE AND PHYSICAL-PROPERTIES (DENSITY, VISCOSITY, SURFACE-TENSION, AND INTERFACIAL-TENSION) OF 2,6-LUTIDINE PLUS WATER

The coexistence curve and physical property data (densities, viscositi es, surface tensions, and interfacial tensions of the equilibrated coe xisting phases) for 2,6-lutidine + water have been determined over the range 34-60-degrees-C, and the density and viscosity differences calc ulated. The compositions were determined through the refractive index at 22-degrees-C, densities by a commercial electronic oscillating U-tu be, viscosities by a U-tube viscometer, surface tensions by a du Nouy ring method, and interfacial tensions by a spinning drop interfacial t ensiometer.