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Reentrant Phase Transition in a Ternary Mixture: A Study of the Shape of its Critical Line

Kumar, A and Guha, S and Gopal, ESR (1987) Reentrant Phase Transition in a Ternary Mixture: A Study of the Shape of its Critical Line. In: Physics Letters A, 123 (9). pp. 489-493.

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Abstract

A detailed determination of upper and lower critical solution temperatures ($T_s$) for the mixture 3-methylpyridine, water and heavy water is presented. The curvature of the line that connects these critical points is quadratic. It is given by $|T_S-T_D|=B_1|X-X_D|^{B2}$ where X=weight fraction of heavywater in (water+heavy water); $T_D$ and $X_D$ are the coordinates of the double critical point. The exponent $B_2=0.51\pm0.004$ is in accordance with the expectation of a parabolic nature. The symmetry of the curve about $T_D$ is also studied.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 23 Jun 2008
Last Modified: 19 Sep 2010 04:45
URI: http://eprints.iisc.ernet.in/id/eprint/14337

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