Thermodynamics of (+)-tartaric acid and its sodium and potassium complexes
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 1,p. 64-69
- https://doi.org/10.1039/dt9720000064
Abstract
The dissociation constants of (+)-tartaric acid at 25 °C have been determined in 0·1, 0·2, and 0·4 (Me4N)Cl media by potentiometric titration using a glass electrode. Thermodynamic constants have been determined at 15, 25, and 35 °C and standard enthalpy and entropy changes obtained from the temperature variation of the constants. The stability constants of sodium and potassium tartrate and hydrogen tartrate complexes at 25 °C in 0·2 (Me4N) Cl have been obtained from pH measurements with a glass electrode.Keywords
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