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Solvent effect on monomer-dimer equilibrium in supercritical fluid: Spectroscopic and thermodynamic studies
Lu, J; Han, BX; Yan, HK
1999-02-01
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Volume1Issue:3Pages:449-453
AbstractThe monomer-dimer equilibrium of lauric acid in supercritical CO2 was studied at different temperatures and pressures using FTIR spectroscopy. The equilibrium constant and thermodynamic properties of the dimerization were obtained based on the spectroscopic determinations. It has been found that fluid density plays an important role on the dimerization. Thermodynamic studies on the equilibrium suggested that there may be differential solvent effects on the monomer and dimer. At lower density, the solvent aggregates about the solute and, therefore, the differential solvent effect is significant. With increase in density the solvent-solute clustering and differential solvent effect decrease, and the supercritical solution becomes more homogeneous.
Indexed BySCI
Language英语
WOS IDWOS:000079350700011
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75538
Collection中国科学院化学研究所
Corresponding AuthorLu, J
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Lu, J,Han, BX,Yan, HK. Solvent effect on monomer-dimer equilibrium in supercritical fluid: Spectroscopic and thermodynamic studies[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,1999,1(3):449-453.
APA Lu, J,Han, BX,&Yan, HK.(1999).Solvent effect on monomer-dimer equilibrium in supercritical fluid: Spectroscopic and thermodynamic studies.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,1(3),449-453.
MLA Lu, J,et al."Solvent effect on monomer-dimer equilibrium in supercritical fluid: Spectroscopic and thermodynamic studies".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 1.3(1999):449-453.
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