Abstract
The binding of 2-naphtholate ions by a water-in-oil cetyltrimethylammonium microemulsion has been studied by u.v.–vis. spectroscopy. By assuming non-cooperative multiple equilibria in which the complexes obey Poisson's distribution law, the binding constants for the reaction were determined as a function of temperature. The reaction was found to be essentially enthalpy driven. Furthermore, it was observed that the entropy of reaction was small and positive below 25 °C. These thermodynamic parameters suggest that the binding involves both hydrophobic and electrostatic interactions.
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Schedule a callMore From: Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
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