Wydział Chemii

Jacek Gliński

G. Chavepeyer

J. K. Platten

C. De Saedeleer

1993

Journal of Colloid and Interface Science

158

382-387

10.1006/jcis.1993.1269

Naukowa

Angielski

Artykuł

The interfacial tensions of six two-phase systems of water-normal alcohols (number of carbon atoms from 10 to 15) were measured in function of temperature, using the Wilhelmy plate method. In all cases, unusual dependencies of the interfacial tension τ on the temperature T were found. At temperatures close to the melting point of the organic phase, the interfacial tension behaves linearly, with a considerably large, positive slope. A few degrees above the melting point a phase transition occurs, and the dependence τ = ∫(T) becomes parabolical, resembling the water-alcohols systems with lower numbers of carbon atoms. The results obtained are interpreted in terms of interface structure and solid-like monolayer formed on the interface.

https://doi.org/10.1006/jcis.1993.1269

http://www.elsevier.com