Partial molar volumes of organic compounds in water. Part 7.—Sodium and hydrochloride salts of α,ω-aminocarboxylic acids
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 76, 101-106
- https://doi.org/10.1039/f19807600101
Abstract
The partial molar volumes of hydrochloride and sodium salts of a number of α,ω-aminocarboxylic acids in water at 25°C have been measured and related to their van der Waals volumes. Volumes of proton ionization have been determined and the electrostriction of the solvent calculated. It is concluded that 5.85 ± 0.45 water molecules hydrate an amino acid, of which 3.85 ± 0.35 molecules are bound to the dipolar ends of the molecule.Keywords
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