The adsorption of mercury(II) on the surface of silica modified with β-cyclodextrin

Multistage chemical modification of the surface of silica with β-cyclodextrin was performed. IR spectroscopy and quantitative analysis of surface compounds were used to prove the structure of modified silica. The adsorption of Hg(II) from dilute solutions was studied. The adsorption affinity of sili...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2008-08, Vol.82 (8), p.1357-1362
Main Authors: Belyakova, L. A., Shvets, A. N., Denil de Namor, A. F.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Physical Chemistry
Physical Chemistry of Surface Phenomena
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Summary:Multistage chemical modification of the surface of silica with β-cyclodextrin was performed. IR spectroscopy and quantitative analysis of surface compounds were used to prove the structure of modified silica. The adsorption of Hg(II) from dilute solutions was studied. The adsorption affinity of silica for mercury ions increased because of the formation of supramolecular structures with chemically immobilized β-cyclodextrin.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024408080190