Issue 24, 1992

Relationship between ET polarity and composition in binary solvent mixtures

Abstract

A new equation for facile computation of ET(30) values of binary solvent mixture from their composition (mole fraction, molality or molarity) is derived. The equation is based on one parameter which takes into account the preferential solvation of the ET indicator by the solvents of the mixture. The equation has been successfully applied to 52 binary solvents. The results show that the studied binary solvents show four different behaviours which can be explained in terms of solvent–solvent interactions. The proposed equation allows a simple definition of the solvent polarity as a function of composition.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans., 1992,88, 3541-3546

Relationship between ET polarity and composition in binary solvent mixtures

E. Bosch and M. Rosés, J. Chem. Soc., Faraday Trans., 1992, 88, 3541 DOI: 10.1039/FT9928803541

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