Solubilities of Flavone and 3-Hydroxyflavone in Supercritical Carbon Dioxide

The solubilities of flavone and 3-hydroxyflavone in supercritical carbon dioxide (SC-CO2) were measured at 308.2 K and 318.2 K over the pressure range from 9.1 MPa to 25.3 MPa by a flow type apparatus, which can detect the concentrations of the solutes in a supercritical fluid. The solubilities were...

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Bibliographic Details
Published in:Journal of chemical and engineering data 1997-05, Vol.42 (3), p.570-573
Main Authors: Uchiyama, Hiroki, Mishima, Kenji, Oka, Satoru, Ezawa, Masahisa, Ide, Mitsuharu, Takai, Tadao, Park, Pan Wook
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Solubility
Solutions
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Summary:The solubilities of flavone and 3-hydroxyflavone in supercritical carbon dioxide (SC-CO2) were measured at 308.2 K and 318.2 K over the pressure range from 9.1 MPa to 25.3 MPa by a flow type apparatus, which can detect the concentrations of the solutes in a supercritical fluid. The solubilities were determined from the mass of solute trapped by decompressing and the volume of CO2. Solubility data were correlated by a solution model based on the regular solution model.
ISSN:0021-9568
1520-5134
DOI:10.1021/je9603990