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Pressure effect on the local composition surrounding ethyl acetoacetate in supercritical CO2-ethanol mixture
Lu, J; Yang, GY; Zhao, L; Han, BX; Yan, HK
1998-02-01
Source PublicationCHINESE CHEMICAL LETTERS
ISSN1001-8417
Volume9Issue:2Pages:191-196
AbstractThe keto-enol tautomerization of ethyl acetoacetate (EAA) in supercritical CO2-ethanol mixture has been investigated at 308.15 K and at different pressures using UV-Vis spectroscopy. A method for calculating the local composition about EAA has been developed based on the relationship between the equilibrium constant and dielectric property of the mixing solvent. The results indicate that the local concentration of ethanol surrounding EAA is much higher than that in the bulk.
KeywordSupercritical Co2 Ethanol Cosolvent Cluster Local Density Enhancement
Indexed BySCI
Language英语
WOS IDWOS:000084816200021
PublisherCHINESE CHEMICAL SOCIETY
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74304
Collection中国科学院化学研究所
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Lu, J,Yang, GY,Zhao, L,et al. Pressure effect on the local composition surrounding ethyl acetoacetate in supercritical CO2-ethanol mixture[J]. CHINESE CHEMICAL LETTERS,1998,9(2):191-196.
APA Lu, J,Yang, GY,Zhao, L,Han, BX,&Yan, HK.(1998).Pressure effect on the local composition surrounding ethyl acetoacetate in supercritical CO2-ethanol mixture.CHINESE CHEMICAL LETTERS,9(2),191-196.
MLA Lu, J,et al."Pressure effect on the local composition surrounding ethyl acetoacetate in supercritical CO2-ethanol mixture".CHINESE CHEMICAL LETTERS 9.2(1998):191-196.
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