Surface tension increment due to solute addition

Wei Lim Hsin, Yu Jane Sheng, Shi Yow Lin, Heng Kwong Tsao

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


The increment in surface tension by the addition of solute into the solvent was discussed. The surface tension increment was derived on the basis of the square-well model for interface solute interaction. It was found that the surface tension was increased linearly with the bulk concentration of the solute and interaction range. The results show, when the repulsion is large the surface tension increment is entropy driven and approaches the asymptotic limit.

Original languageEnglish
Article number031605
Pages (from-to)031605-1-031605-8
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Issue number3 1
StatePublished - Mar 2004


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