Electronic Resource
Springer
Il nuovo cimento della Società Italiana di Fisica
16 (1994), S. 1613-1618
ISSN:
0392-6737
Keywords:
Surface energy
;
thermodynamic properties
;
Permittivity
;
Conference proceedings
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Summary In this paper we present conductivity measurements on different concentrations of C12E6 non-ionic surfactant solutions as a function of temperature and buffer ionic strength. The experimental data were analysed by means of Looyenga equation. The isothermal slopes of the linearized Looyenga equation depend on the ionic strength, showing saturation effect. Our results indicate that one of the basic hypotheses of the mixture equations is not fulfilled. Adsorption of light ions at micellar interface is necessary to justify the experimental data. Then for non-ionic surfactant solutions the ion adsorption prevents any explicit computation of the micellar hydrated volume.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02462049
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