Solubility Product and Solubility of Cyclodextrin Inclusion Complex Precipitates in an Aqueous Medium

Cyclodextrins (CyD’s) have been precipitated as inclusion complexes with guest hydrocarbons from an aqueous medium, in which the guest hydrocarbon of interest was present in various concentrations. The solubility product constant of the CyD precipitate at 25 °C was determined by measuring the CyD co...

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Bibliographic Details
Published in:Bulletin of the Chemical Society of Japan 1997-02, Vol.70 (2), p.365-369
Main Authors: Sanemasa, Isao, Wu, Ji-Shi, Toda, Kei
Format: Article
Language:English
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Summary:Cyclodextrins (CyD’s) have been precipitated as inclusion complexes with guest hydrocarbons from an aqueous medium, in which the guest hydrocarbon of interest was present in various concentrations. The solubility product constant of the CyD precipitate at 25 °C was determined by measuring the CyD concentration in the supernatant aqueous solution. Five model hydrocarbons were used as guests: hexane, cyclohexane, benzene, naphthalene, and biphenyl. The solubility products and the solubility in water of α-, β-, and γ-CyD inclusion complex precipitates with 36 varieties of guests were calculated based on the solubility of the guest hydrocarbon in water and the concentration of free CyD in the supernatant aqueous medium.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.70.365