A Study of mixtures of organic solvents and triglycerides of linseed oil or the free fatty acids. 1.- Molar volume, molar refraction and dynamic viscosity
DOI:
https://doi.org/10.3989/gya.1995.v46.i3.923Keywords:
Dynamic viscosity, Fatty acids mixture, Molar refraction, Molar volumen, Triglycerides mixtureAbstract
Measurements of molar volume, refraction index and dynamic viscosity in mixtures of fatty acids or triglycerides and trichloroethylene, tetrachloroethylene and hexane were realized. Temperature range studied was 278-313 K each 5 K. The relationship between molar volume and molar fraction show high correlation coefficient In fatty acids with trichloroethylene and tetrachloroethylene mixtures. On the other hand, hexane mixtures show little contractions of molar volume at low molar fractions. Triglyceride mixtures present important deviations with regard to the ideality of the molar volume. The adjusts obtained for the molar volume values versus temperature are acceptable, calculating the coefficients of thermal expansion of the studied mixtures. Equally, the adjust of the experimental results of viscosity for two prediction equations are studied: one of additive type and the other of parabolic type.
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Published
1995-06-30
How to Cite
1.
Mantell Serrano C, Muñoz Cueto MJ, Galán Vallejo M, Rodríguez Rodríguez M. A Study of mixtures of organic solvents and triglycerides of linseed oil or the free fatty acids. 1.- Molar volume, molar refraction and dynamic viscosity. Grasas aceites [Internet]. 1995Jun.30 [cited 2024Apr.24];46(3):183-95. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/923
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Research
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