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Han B.,CAS Shanghai Institute of Applied Physics | Han B.,Key Laboratory of Xinjiang Phytomedicine Resources of Ministry of Education | Chen W.,Key Laboratory of Xinjiang Phytomedicine Resources of Ministry of Education | Wang X.-C.,Key Laboratory of Xinjiang Phytomedicine Resources of Ministry of Education | And 3 more authors.
Xinxing Tan Cailiao/ New Carbon Materials | Year: 2010

Multi-walled carbon nanotubes (MWCNTs) can selectively adsorb structurally-similar liquiritin and isoliquiritin, both of which are flavonoid compounds. The adsorption thermodynamics of isoliquiritin on MWCNTs was investigated. Results indicate that the quantity of isoliquiritin adsorbed increases with isoliquiritin concentration and decreases with temperature. Adsorption data can be well described by the Freundlich Equation. The values of δH 0 and δG0 indicate that the adsorption is a spontaneous exothermic process.

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