Soetaredjo, Felycia Edi, Ismadji, Suryadi, Yuliana Liauw, Maria, Angkawijaya, Artik Elisa and Yi-Hsu, Ju (2013) Catechin sublimation pressure and solubility in supercritical carbon dioxide. Fluid Phase Equilibria, 358. pp. 220-225. ISSN 0378-3812
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Abstract
Solubility of (+)-catechin in SC-CO2was measured at several temperatures (313.15, 323.15, 333.15and 343.15 K) and pressure in the range of 12–26 MPa using ethanol as the co-solvent (5 mol.%). Theexperimental data were used for the correlation of density dependent solute solubility parameters. Theequations of Chrastil, del Valle and Aguilera, Adachi and Lu, González, and Méndez-Santiago and Tejawerefitted very well for the solubility of (+)-catechin. The rate of mass loss of (+)-catechin showed that its sub-limation pressure is very low, an indication of the stability of the compound. Thermogravimetric analysiswas used to determine the sublimation pressure.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Catechin, Solubility, Sublimation pressure, Density based correlation |
| Subjects: | Engineering > Chemical Engineering |
| Divisions: | Journal Publication |
| Depositing User: | Suryadi. Ismadji |
| Date Deposited: | 13 Jul 2016 08:09 |
| Last Modified: | 19 Jul 2018 07:42 |
| URI: | https://repositori.ukwms.ac.id/id/eprint/5180 |
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