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Density, Speed of Sound, Viscosity, Refractive Index, and Excess Volume of N-Methyl-2-pyrrolidone (NMP) + Water + Ethanol from T = (293.15 to 323.15) K

Posted on 2012-04-12 - 00:00
The present work analyzes the composition and temperature influence upon different physical properties (density, speed of sound, viscosity, and refractive index) corresponding to the ternary mixture N-methyl-2-pyrrolidone (NMP) + water + ethanol. The influence of composition has been evaluated over the entire mole fraction range. In relation with the influence of temperature, the studied range was (293.15 to 323.15) K. Also, excess volume and isentropic compressibility deviations have been calculated on the basis of density and speed of sound values.

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