Machado, C. and Nascimento, M.D. and Rezende, M.C. and Beezer, A.E. (1999) Calorimetric evidence of aggregation of the E-T(30) dye in alcoholic solutions. In: International Symposium on Calorimetry and Chemical Thermodynamics. Elsevier Science Bv, Netherlands pp. 155-159.
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This paper deals with the thermodynamic aspects of solvatochromic and halochromic systems. Enthalpic measurements of dilution of solutions of the E-T(30) dye in various alcohols and in the presence of increasing concentrations of sodium iodide were carried out by means of calorimetric techniques. Contrary to observations based on purely spectroscopic methods, these calorimetric measurements showed evidences of dye aggregation in solution. In addition, the results confirmed the existence of previously described dye-cation associations in the organic media.
|Item Type:||Conference or workshop item (Paper)|
|Uncontrolled keywords:||solvatochromism; halochromism; dyes; calorimetry|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Physical Sciences|
|Depositing User:||I.T. Ekpo|
|Date Deposited:||14 Sep 2009 07:41|
|Last Modified:||14 Sep 2009 07:41|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/16913 (The current URI for this page, for reference purposes)|
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