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Transport properties of nonelectrolyte liquid mixtures. VIII. Viscosity coefficients for toluene and for three mixtures of toluene + hexane from 25 to 100°C at pressures up to 500 MPa

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Abstract

Viscosity coefficients measured using a two-coil self-centering falling-body viscometer are reported for toluene and three binary mixtures of toluene + n-hexane at 25, 50, 75, and 100°C at pressures up to 500 MPa. The data for a given composition at different temperatures and pressures are correlated very satisfactorily by a plot of reduced viscosity η * versus log V′, where V′=V·V 0(TR)/V0(T) and V 0 represents a characteristic volume. The binary mixture data are well represented by the Grunberg and Nissan equation with a mixing parameter which is pressure dependent but composition and temperature independent.

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Authors and Affiliations

  1. Chemistry Department, The University, G12 8QQ, Glasgow, UK

    J. H. Dymond & M. A. Awan

  2. National Engineering Laboratory, East Kilbride, G75 OQU, Glasgow, UK

    N. F. Glen & J. D. Isdale

Authors
  1. J. H. Dymond
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  2. M. A. Awan
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  3. N. F. Glen
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  4. J. D. Isdale
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Dymond, J.H., Awan, M.A., Glen, N.F. et al. Transport properties of nonelectrolyte liquid mixtures. VIII. Viscosity coefficients for toluene and for three mixtures of toluene + hexane from 25 to 100°C at pressures up to 500 MPa. Int J Thermophys 12, 275–287 (1991). https://doi.org/10.1007/BF00500752

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  • DOI: https://doi.org/10.1007/BF00500752

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