Viscosities and Densities for the 1-Propanol + n-Heptane System at Several Temperatures

Journal of Solution Chemistry - Tập 27 - Trang 569-579 - 1998
E. Jiménez1, C. Franjo1, L. Segade1, J. L. Legido2, M. I. Paz Andrade3
1Departamento de Física, Facultade de Ciencias, Universidade da Coruña, Coruña, Spain
2Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, Vigo, Spain
3Departamento de Física Aplicada, Facultade de Física, Universidade de Santiago de Compostela, Santiago de Compostela, Spain

Tóm tắt

Viscosities and densities have been measured for 1-propanol + n-heptane at 20, 25, 30, and 35°C and atmospheric pressure. Kinematic viscosities were determined using a capillary viscosimeter; densities were measured using vibrating-tube densimetry. The viscosity deviations were evaluated. Viscosity results were fitted to the equations of Grunberg–Nissan, McAllister, Auslander, and Teja. The experimental excess molar volumes were compared with the results obtained with the Nitta–Chao model.

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