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Liquid–Liquid Coexistence Curve of n-Perfluorohexane–n-Hexane System

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Abstract

The shape of the liquid–liquid phase boundary of the C6F14–C6H14 system near the critical solution point has been determined by a γ-ray attenuation technique. According to the measurements, the critical solution temperature and composition are 295.69 ± 0.02 K and 36.1 ± 0.3 mol% C6F14, respectively. The critical exponent of the liquid–liquid coexistence curve is 0.322 ± 0.008. Midpoints of the coexistence curve exhibit a departure from the law of the rectilinear diameter.

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Authors and Affiliations

  1. Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Lavrentyev Ave. 1, Novosibirsk, 630090, Russia

    R. A. Khairulin, S. V. Stankus & V. A. Gruzdev

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  1. R. A. Khairulin
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  2. S. V. Stankus
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  3. V. A. Gruzdev
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Correspondence to R. A. Khairulin.

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Khairulin, R.A., Stankus, S.V. & Gruzdev, V.A. Liquid–Liquid Coexistence Curve of n-Perfluorohexane–n-Hexane System. Int J Thermophys 28, 1245–1254 (2007). https://doi.org/10.1007/s10765-007-0237-4

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  • DOI: https://doi.org/10.1007/s10765-007-0237-4

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