Viscosities were measured for binary solvent mixtures of 1,2-ethanediol-2-methoxyethanol at 19 temperatures ranging from -10 to 80 degrees C. Several different equations, such as those of Arrhenius, Waterton, and Williams et al., have been applied in order to establish the best regression fit for eta as a function of temperature. For this binary solvent system, the viscometric properties are continuous but not a linear function of the mixture composition. The deviations of the excess viscosities from ideality were found to be useful in detecting the formation of solvent-cosolvent complex species and to evaluate their stoichiometrical composition.
Viscosities of 1,2-ethanediol - 2-methoxyethanol solvent mixtures at various temperatures / F., Corradini; Franchini, Giancarlo; Marchetti, Andrea; M., Tagliazucchi; Tassi, Lorenzo; G., Tosi. - In: JOURNAL OF SOLUTION CHEMISTRY. - ISSN 0095-9782. - STAMPA. - 22:(1993), pp. 1019-1028.
Viscosities of 1,2-ethanediol - 2-methoxyethanol solvent mixtures at various temperatures
FRANCHINI, Giancarlo;MARCHETTI, Andrea;TASSI, Lorenzo;
1993
Abstract
Viscosities were measured for binary solvent mixtures of 1,2-ethanediol-2-methoxyethanol at 19 temperatures ranging from -10 to 80 degrees C. Several different equations, such as those of Arrhenius, Waterton, and Williams et al., have been applied in order to establish the best regression fit for eta as a function of temperature. For this binary solvent system, the viscometric properties are continuous but not a linear function of the mixture composition. The deviations of the excess viscosities from ideality were found to be useful in detecting the formation of solvent-cosolvent complex species and to evaluate their stoichiometrical composition.Pubblicazioni consigliate
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