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Temperature dependence of liquid-liquid interfacial tension and universal critical amplitude ratio: an experimental study

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  • Mainzer, T.
  • Woermann, D.

Abstract

Results of new measurements of the temperature dependence of the liquid-liquid interfacial tension σ of the system cyclohexane/aniline are reported. The system specific value of the critical amplitude σ0 of the interfacial tension has a value of σ0 = 38.5 mN m−1. It is combined with the value of the system specific critical amplitude ξ0+ of the correlation length of local concentration fluctuations to calculate the amplitude ratio Rσ,ξ+ = [σ0(ξ0+)2]/kBTc (kB, Boltzmann constant; Tc, critical temperature). The experimental value of Rσ,ξ+ for that system is Rσ,ξ+ = 0.41. It is at the upper limit of experimental Rσ,ξ+ values reported in the literature for five one component systems and eight binary mixtures (0.283 < Rσ,ξ+ < 0.410, mean value 〈Rσ,ξ+〉 = (0.37 ± 0.03); theoretical value, Rσ,ξ+ = 0.36).

Suggested Citation

  • Mainzer, T. & Woermann, D., 1996. "Temperature dependence of liquid-liquid interfacial tension and universal critical amplitude ratio: an experimental study," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 225(3), pages 312-322.
    • Handle: RePEc:eee:phsmap:v:225:y:1996:i:3:p:312-322
    DOI: 10.1016/0378-4371(95)00432-7
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    1. McCoy, Terry L., 1975. "Modernization, Dislocation, and Aprismo: Origins of the Peruvian Aprista Party, 1870–1932. By Peter F. Klaren. (Austin: The University of Texas Press, 1973. Pp. 189. $8.95.)," American Political Science Review, Cambridge University Press, vol. 69(3), pages 1074-1075, September.
    2. Thoenig, Jean-Claude, 1984. "Christopher C. Hood, The Tools of Government, Macmillan, 1983, viii + 178pp. £12.50 hbk, £6.50 pbk," Journal of Public Policy, Cambridge University Press, vol. 4(2), pages 153-154, May.
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    Cited by:

    1. Hasenbusch, M. & Pinn, K., 1997. "The interface tension of the three-dimensional Ising model in the scaling region," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 245(3), pages 366-378.
    2. Onuki, Akira, 1996. "Adiabatic effects in nucleation near the gas-liquid critical point," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 234(1), pages 189-205.

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