期刊
JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷 56, 期 5, 页码 2181-2186出版社
AMER CHEMICAL SOC
DOI: 10.1021/je101228k
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资金
- Directorate General of Higher Education, Ministry of National Education The Republic of Indonesia
The solid solubilities of 2 alpha,3 beta-dihydroxyurs-12-en-28-oic acid (corosolic acid) in supercritical carbon dioxide (SC-CO2) have been measured using a dynamic method at (308.15, 313.15, 323.15, and 333.15) K over a pressure range of (8 to 30) MPa. Prior to solubility measurements, the accuracy of the experimental apparatus was examined by measuring solubilities of squalene in SC-CO2 and comparing them with literature. The corosolic acid solubilities ranged from a corosolic acid mole fraction of 3.28.10(-11) at 333.15 K and 8 MPa to 7.43.10(-2) at 333.15 K and 30 MPa. The del Valle and Aguilera and Mendez-Santiago and Teja (density-based) models were used to correlate the experimental data. The calculated solubilities showed good agreement with the experimental data in the temperature and pressure ranges studied.
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