Abstract
ARRHENIUS1 proposed the following expression for the viscosity of a solution : where ηs is the viscosity of the solution ; N1 and η1 are the mole fraction and the viscosity of component 1 ; N2 and η2 the mole fraction and the viscosity of component 2. However, both positive and negative deviations from this equation are found to occur. From a comparison of vapour pressures and viscosities of solutions, we deduced that in many cases the following equation yields closer agreement with experimental results : where d is a characteristic constant of the system. The accompanying graph shows curves calculated according to equations 1 and 2 (with d = -0·0224) for the system trans-decalinâcis-decalin. The points on the graph represent the experimental results of Bird and Daly2.
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References
Arrhenius, Z. physik. Chem., 1, 285 (1887).
Bird and Daly, Trans. Farad. Soc., 35, 588 (1939).
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GRUNBERG, L., NISSAN, A. Mixture Law for Viscosity. Nature 164, 799â800 (1949). https://doi.org/10.1038/164799b0
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DOI: https://doi.org/10.1038/164799b0
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