1982•Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed PhasesRequires access

Osmotic coefficients of urea + guanidinium chloride mixtures in water at 298.15 K

Terence H. Lilley, Dennis R. Tester

Abstract

The osmotic coefficients of urea + guanidinium chloride mixtures in aqueous solutions have been determined at 298.15 K using the isopiestic vapour-pressure technique. A comparison is made between the results obtained and the corresponding results for other urea + salt aqueous solution mixtures. There is a correspondence between the urea + salt interactions and the tendency for the salts to destabilise protein structures.

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Key concepts: Urea, Chemistry, Aqueous solution, Salt (chemistry), Guanidinium chloride, Chloride, Inorganic chemistry, Osmotic pressure