THERMODYNAMIC PARAMETERS OF POTASSIUM BITARTRATE DURING THE YOUNG WINES COLD STABILIZATION
The present work was undertaken to study the effect of the treatment temperature on the potassium bitartrate stability and composition of young wines. The thermodynamic parameters, namely ∆G°, ∆H°, ∆S° were calculated to predict the nature of potassium hydrogen tartrate (KHT) precipitation. Accordin...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Academy of Sciences of Moldova, Institute of Chemistry
2015-06-01
|
| Series: | Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry |
| Subjects: | |
| Online Access: | http://www.cjm.asm.md/sites/default/files/article_files/ChemJMold201510(1)_42-45_Covaci.pdf |
| Summary: | The present work was undertaken to study the effect of the treatment temperature on the potassium bitartrate stability and composition of young wines. The thermodynamic parameters, namely ∆G°, ∆H°, ∆S° were calculated to predict the nature of potassium hydrogen tartrate (KHT) precipitation. According to the achieved results, the exothermal nature and thermodynamical feasibility of KHT precipitation in young wines were established. Based on thermodynamics, negative ∆G°, ∆H° values and positive ∆S° value give a spontaneous KHT process at lower temperatures. |
|---|---|
| ISSN: | 1857-1727 2345-1688 |