Mutual diffusion coefficients in systems with inclusion compounds: α-cyclodextrin - polyoxyethylene 5 hexylether -water and α-cyclodextrin - sodium 1 hexylsulfonate -water

Mutual diffusion coefficients were measured with the Gouy technique for two ternary systems: (A) α-cyclodextrin - polyoxyethylene 5 hexylether -water, a non-ionic system, and (B) α-cyclodextrin - sodium 1 hexylsulfonate -water, a ionic system. For both systems the four measured diffusion coefficient...

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Bibliographic Details
Published in:Journal of molecular liquids 1998-02, Vol.75 (2), p.169-180
Main Authors: Ciccarelli, D., Paduano, L., Costantino, L., Ortona, O., Vitagliano, V.
Format: Article
Language:English
Subjects:
Aqueous solutions
Cyclodextrin
Mutual diffusion
Surfactants
Ternary systems
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Summary:Mutual diffusion coefficients were measured with the Gouy technique for two ternary systems: (A) α-cyclodextrin - polyoxyethylene 5 hexylether -water, a non-ionic system, and (B) α-cyclodextrin - sodium 1 hexylsulfonate -water, a ionic system. For both systems the four measured diffusion coefficients allow us to estimate the diffusion coefficients of the actual species present in solution, assuming for the inclusion constant the values obtained from calorimetric data.
ISSN:0167-7322
1873-3166
DOI:10.1016/S0167-7322(98)82005-9