Functional β-cyclodextrins as the active centres on the silica surface for toxic ions sorption
Nanoporous β-cyclodextrin-bonded silica, which differ by functional substituents of the wide edge of attached cyclic oligosaccharide molecules, were synthesized. The structure and chemical composition of the surface of nanoporous organosilicas were found. Sorption of mercury (II), cadmium (II), an...
Збережено в:
| Дата: | 2013 |
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| Автори: | , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут загальної та неорганічної хімії ім. В.І. Вернадського НАН України
2013
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| Назва видання: | Украинский химический журнал |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/188072 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Functional β-cyclodextrins as the active centres on the silica surface for toxic ions sorption / L.A. Belyakova, D.Yu. Lyashenko, A.N. Shvets // Украинский химический журнал. — 2013. — Т. 79, № 11. — С. 50-62. — Бібліогр.: 37 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | Nanoporous β-cyclodextrin-bonded silica, which differ by functional substituents of the wide edge of attached cyclic oligosaccharide molecules, were synthesized. The structure and chemical composition of the surface of nanoporous organosilicas were found. Sorption of mercury (II), cadmium (II), and zinc (II) from dilute acidic nitrate solutions by nanoporous organosilicas was studied. Sorption results were analyzed using Lagergren’s kinetic model and Langmuir and Freundlich models for equilibrium adsorption. The interpretation of interaction features of mercury, cadmium and zinc nitrates with β-cyclodextrin-bonded silica was done according to the theory of hard and soft acids and bases. |
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