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Universal relation for the activity of the i-th component in binary systems

M. Malinovský and I. Koštenská

Department of Inorganic Technology, Slovak Technical University, 880 37 Bratislava


Abstract: The activity of the i-th component in the binary system 'i-j' may be advantageously defined as ai = xikj/i, where the coeff. k = kj/i and characterizes the interaction of the 2 components. For xi → 1 this coeff. is identical with the Stortenbeker correction factor. This definition of the activity provides a rational explanation of the magnitude of the slope of tangent to the liquidus curve in the m.p. of the i-th substance and also has a wider field of application than some other relations used for the dependence ai = f(xi).

Full paper in Portable Document Format: 284a493.pdf


Chemical Papers 28 (4) 493–498 (1974)

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