 Vapour-liquid and gas-gas equilibria in simple systemsA. Deerenberg, J.A. Schouten and N.J. Trappeniers Physica A: Statistical Mechanics and its Applications, 1980, vol. 103, issue 1, 183-204 Abstract: The shape of the coexistence surface of the system neon-xenon has been determined in great detail, in the neighbourhood of the critical line, by means of isobaric measurements. The critical line has a temperature-minimum, the so-called critical double point, at about 1040 bar, above which gas-gas equilibrium occurs. A mathematical analysis of the measurements shows that the isobars can be represented by a power law with the critical exponent βP, to which a single value, 0.348, can be assigned for all the isobars. This is in accordance with the idea of universality of the critical exponents. By the use of a geometrical transformation, the power law behaviour of isotherms has also been investigated. The corresponding critical exponent βT has, in general, the same value as βP but, in the immediate vicinity of the critical double point, a deviation from this behaviour has been found in accordance with theoretical arguments. Date: 1980 Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:103:y:1980:i:1:p:183-204 DOI: 10.1016/0378-4371(80)90213-7 Access Statistics for this article Physica A: Statistical Mechanics and its Applications is currently edited by K. A. Dawson, J. O. Indekeu, H.E. Stanley and C. Tsallis More articles in Physica A: Statistical Mechanics and its Applications from Elsevier |
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