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Surface tension coefficient of the n-pentane+n-heptane system near the “liquid-gas” critical point

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Abstract

The surface tension coefficient of the “n-pentane + n-heptane” binary system near the liquid-gas critical point is experimentally measured for five concentrations of n-heptane. Measurements are made by the capillary rise method at temperatures in the range of 293 K to Tc for each concentration. Analysis is based on predictions of different theoretical models.

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Additional information

Institute of Physics, Daghestan Division, Russian Academy of Sciences, Makhachkala. Translated from Inzhenerno-fizicheskii Zhurnal, Vol. 63, No. 6, pp. 684–690, December, 1992.

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Abdulagatov, I.M., Adamov, A.P. & Abdurakhmanov, I.M. Surface tension coefficient of the n-pentane+n-heptane system near the “liquid-gas” critical point. J Eng Phys Thermophys 63, 1193–1198 (1992). https://doi.org/10.1007/BF00853519

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  • DOI: https://doi.org/10.1007/BF00853519

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