Critical behavior of the binary-fluid isobutyric acid-water with added ions (K+, Cl-)

Citation
A. Toumi et M. Bouanz, Critical behavior of the binary-fluid isobutyric acid-water with added ions (K+, Cl-), EUR PHY J E, 2(3), 2000, pp. 211-216
Citations number
22
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
EUROPEAN PHYSICAL JOURNAL E
ISSN journal
12928941 → ACNP
Volume
2
Issue
3
Year of publication
2000
Pages
211 - 216
Database
ISI
SICI code
1292-8941(200007)2:3<211:CBOTBI>2.0.ZU;2-5
Abstract
Measurements of the coexistence curve of the binary-fluid mixture isobutyri c acid + water with added KCl salt at various concentrations: show an impor tant dependence on the critical temperature and the critical exponent beta. The phase-transition region shifts as a function of the salt concentration . The effective -critical exponent beta* = (0.266-0.293) is neither compati ble with the Ising value beta = 0.325 nor with the Fisher renormalized valu e similar to 0.365.