Volumetric properties of binary mixtures of (water + organic solvents) at temperatures between T = 288.15 K and T = 303.15 K at p = 0.1 MPa

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Torres R.B.
Marchiore A.C.M.
Volpe P.L.O.
Journal of Chemical Thermodynamics
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TORRES, Ricardo Belchior; MARCHIORE, Ana Carolina M; VOLPE, Pedro Luiz Onófrio. Volumetric Properties of Binary Mixtures of (Water + Organic Solvents) at Temperatures between T = 288.15 K and T = 303.15 K at p = 0.1 Mpa. Journal of Chemical Thermodynamics, v. 38, n. 5, p. 526-541, 2006.
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In this work, densities of binary mixtures of {water + formamide (FM), or + N,N-dimethylformamide (DMF), or + dimethylsulfoxide (DMSO), or + N,N-dimethylacetamide (DMA), or + 1,4-dioxane}, have been determined under atmospheric pressure as a function of composition and temperature using a vibrating-tube densimeter. The temperatures studied were T = (288.15, 293.15, 298.15, and 303.15) K. The excess molar volumes ( VmE ), calculated from density data, are negative over the whole mole fraction range for the temperature range studied. The VmE values have been fitted to Redlich-Kister polynomial equation and others volumetric properties were calculated. The partial molar volumes at infinite dilution of each component ( over(V, ̄)i∞ ) have been determined using three different methods. © 2005 Elsevier Ltd. All rights reserved.