ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

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 a_i = x_i^kj/i, where the coeff. k = k_j/i and characterizes the interaction of the 2 components. For x_i → 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 a_i = f(x_i).

Full paper in Portable Document Format: 284a493.pdf

Chemical Papers 28 (4) 493–498 (1974)