| Issue |
Europhys. Lett.
Volume 56, Number 2, October 2001
|
|
|---|---|---|
| Page(s) | 187 - 192 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2001-00504-y | |
| Published online | 01 December 2003 | |
Surface tension of strong electrolytes
1
Instituto de Física, Universidade Federal
do Rio Grande do Sul Caixa Postal 15051,
CEP 91501-970, Porto Alegre, RS, Brazil
2
Facultad de Ciencias de la Electrónica,
Universidad Autónoma de Puebla A.P. J-48,
Puebla 72570, Pue. Mexico
Received:
23
April
2001
Accepted:
24
July
2001
We present a theory which accounts for the increase in interfacial tension of water due to the presence of 1:1 electrolyte. The agreement between the theory and experiment is excellent, extending all the way to relatively high salt concentrations of 1 M. For low concentrations of electrolyte the theory reduces to the Onsager-Samaras limiting law.
PACS: 05.70.Np – Interface and surface thermodynamics / 68.03.Cd – Surface tension and related phenomena / 61.20.Qg – Structure of associated liquids: electrolytes, molten salts, etc
© EDP Sciences, 2001
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