Sorption properties of β-cyclodextrin―citric acid derivatives.

Dariusz Bogdal; Szczepan Bednarz; Wiktor Kasprzyk

doi:10.3390/ecsoc-14-00462

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Evidence of cyclodextrin aggregation obtained with Fluorescence Correlation Spectroscopy

Sorption properties of β-cyclodextrin―citric acid derivatives.

Dariusz Bogdal

Szczepan Bednarz

Wiktor Kasprzyk

¹ Faculty of Chemical Engineering and Technology, Politechnika Krakowska, ul. Warszawska 24, 31-155 Krakow, Poland

Published: 30 October 2010 by MDPI in The 14th International Electronic Conference on Synthetic Organic Chemistry session Polymer Chemistry

https://doi.org/10.3390/ecsoc-14-00462

Abstract: β-cyclodextrin―citric acid derivatives were synthesized trough heating of mixture of citric acid, cyclodextrin and Na₂HPO₄ as a catalyst. The degree of substitution of the derivatives was estimated by determination of citric acid by HPLC in the samples hydrolysates. Sorption properties of β-cyclodextrin―citric acid derivatives were determined using spectrophotometric method with methyl orange as a model sorbate. Sorption properties of β-cyclodextrin―citric acid derivatives were compared to native β-cyclodextrin.

Keywords: cyclodextrin, citric acid, crosslinking, host-guest systems, sorbents

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Dariusz Bogdal

Szczepan Bednarz

Wiktor Kasprzyk