Issue 5, 2010

Interfacial tension in immiscible mixtures of alkali halides

Abstract

The interfacial tension of the liquid-phase interface in seven immiscible reciprocal ternary mixtures of lithium fluoride with the following alkali halides: CsCl, KBr, RbBr, CsBr, KI, RbI, and CsI was measured using the cylinder weighing method over a wide temperature range. It was shown that for all mixtures the interfacial tension gradually decreases with growing temperature. The interfacial tension of the reciprocal ternary mixtures at a given temperature increases both with the alkali cation radius (K+ < Rb+ < Cs+) and with the radius of the halogen anion (Cl < Br < I).

Graphical abstract: Interfacial tension in immiscible mixtures of alkali halides

Supplementary files

Article information

Article type
Paper
Submitted
27 Aug 2009
Accepted
12 Nov 2009
First published
10 Dec 2009

Phys. Chem. Chem. Phys., 2010,12, 1139-1144

Interfacial tension in immiscible mixtures of alkali halides

V. Lockett, I. V. Rukavishnikova, V. P. Stepanov and N. K. Tkachev, Phys. Chem. Chem. Phys., 2010, 12, 1139 DOI: 10.1039/B917694B

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