Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions

Conditions of a single-stage chemical Ьinding of 8-hydroxyquinoline molecules to the surface of inorganic matrix using of the Mannich aminomethylation reaction and adsorption properties of so obtained chemically modified silica with respect to ions of toxic metals have been studied. The synthetic...

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Бібліографічні деталі
Дата:2006
Автори: Glushchenko, O.V., Yanovska, E.S., Kichkiruk, O.Yu., Tertykh, V.A.
Формат: Стаття
Мова:English
Опубліковано: НТК «Інститут монокристалів» НАН України 2006
Назва видання:Functional Materials
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/140065
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions / O.V. Glushchenko, E.S. Yanovska, O.Yu. Kichkiruk, V.A. Tertykh // Functional Materials. — 2006. — Т. 13, № 2. — С. 265-269. — Бібліогр.: 18 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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spelling irk-123456789-1400652018-06-23T03:03:00Z Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions Glushchenko, O.V. Yanovska, E.S. Kichkiruk, O.Yu. Tertykh, V.A. Conditions of a single-stage chemical Ьinding of 8-hydroxyquinoline molecules to the surface of inorganic matrix using of the Mannich aminomethylation reaction and adsorption properties of so obtained chemically modified silica with respect to ions of toxic metals have been studied. The synthetic method provides a high concentration and a homogeneous distribution of complexing groups over the surface, and the adsorbent obtained displays a high capacity to some environmentally toxic metals (>2 mmol/g) and satisfactory adsorption kinetic properties, thus making it possible to use the adsorbent for the ion preconcentration both in static and dynamic modes. The structure studies of toxic metal complexes with 8-hydroxyquinoline immobilized at silica surface by ESR and IR spectroscopy testify that the metal ions are co-ordinated with bound ligand through nitrogen and oxygen atoms. Дослiджено умови одностадiйного методу хiмiчного закрiплення молекул 8-оксихiнолiну шляхом здiйснення у поверхневому шарi неорганiчної матрицi реакцiї амiнометилування Маннiха та адсорбцiйнi властивостi одержаного хiмiчно модифiкованого кремнезему щодо iонiв токсичних металiв. Метод синтезу забезпечує рiвномiрний розподiл та високу концентрацiю комплексоутворюючих груп на поверхнi, а одержаний сорбент виявляе високу сорбцiйну ємнiсть вiдносно до бiльшостi токсичних металiв (>2 ммоль/г) та хорошi кiнетичнi характеристики, що дозволяє використовувати адсорбент для передконцентрування iонiв як у статичному, так i у динамiчному режимi. Дослiдження будови комплексiв токсичних металiв з iмобiлiзованим на поверхнi кремнезему 8-оксихiнолiном методами ЕПР та IЧ-спектроскопiї свiдчать про координацiю iонiв металiв iз закрiпленим лiгандом через атоми нiтрогену i оксигену. Исследованы условия одностадийного метода химического закрепления молекул 8-оксихинолина путем осуществления в поверхностном слое неорганической матрицы реакции аминометилирования Манниха и адсорбционные свойства полученного химически модифицированного кремнезёма по отношению к ионам токсичных металлов. Метод синтеза обеспечивает равномерное распределение и высокую концентрацию комплексообразующих групп на поверхности, а полученный сорбент имеет высокую сорбционную емкость по отношению к большинству токсичных металлов (>2 ммоль/г) и хорошие кинетические характеристики, что позволяет использовать адсорбент для предконцентрирования ионов как в статическом, так и в динамическом режиме. Исследования строения комплексов токсичных металлов с иммобилизованным на поверхности кремнезема 8-оксихинолином методами ЭПР и ИК-спектроскопии свидетельствуют о координации ионов металлов с закрепленным лигандом через атомы азота и кислорода. 2006 Article Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions / O.V. Glushchenko, E.S. Yanovska, O.Yu. Kichkiruk, V.A. Tertykh // Functional Materials. — 2006. — Т. 13, № 2. — С. 265-269. — Бібліогр.: 18 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/140065 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
description Conditions of a single-stage chemical Ьinding of 8-hydroxyquinoline molecules to the surface of inorganic matrix using of the Mannich aminomethylation reaction and adsorption properties of so obtained chemically modified silica with respect to ions of toxic metals have been studied. The synthetic method provides a high concentration and a homogeneous distribution of complexing groups over the surface, and the adsorbent obtained displays a high capacity to some environmentally toxic metals (>2 mmol/g) and satisfactory adsorption kinetic properties, thus making it possible to use the adsorbent for the ion preconcentration both in static and dynamic modes. The structure studies of toxic metal complexes with 8-hydroxyquinoline immobilized at silica surface by ESR and IR spectroscopy testify that the metal ions are co-ordinated with bound ligand through nitrogen and oxygen atoms.
format Article
author Glushchenko, O.V.
Yanovska, E.S.
Kichkiruk, O.Yu.
Tertykh, V.A.
spellingShingle Glushchenko, O.V.
Yanovska, E.S.
Kichkiruk, O.Yu.
Tertykh, V.A.
Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions
Functional Materials
author_facet Glushchenko, O.V.
Yanovska, E.S.
Kichkiruk, O.Yu.
Tertykh, V.A.
author_sort Glushchenko, O.V.
title Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions
title_short Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions
title_full Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions
title_fullStr Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions
title_full_unstemmed Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions
title_sort adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions
publisher НТК «Інститут монокристалів» НАН України
publishDate 2006
url http://dspace.nbuv.gov.ua/handle/123456789/140065
citation_txt Adsorption properties of silica with covalently bound 8-hydroxyquinoline with respect to toxic metal ions / O.V. Glushchenko, E.S. Yanovska, O.Yu. Kichkiruk, V.A. Tertykh // Functional Materials. — 2006. — Т. 13, № 2. — С. 265-269. — Бібліогр.: 18 назв. — англ.
series Functional Materials
work_keys_str_mv AT glushchenkoov adsorptionpropertiesofsilicawithcovalentlybound8hydroxyquinolinewithrespecttotoxicmetalions
AT yanovskaes adsorptionpropertiesofsilicawithcovalentlybound8hydroxyquinolinewithrespecttotoxicmetalions
AT kichkirukoyu adsorptionpropertiesofsilicawithcovalentlybound8hydroxyquinolinewithrespecttotoxicmetalions
AT tertykhva adsorptionpropertiesofsilicawithcovalentlybound8hydroxyquinolinewithrespecttotoxicmetalions
first_indexed 2025-07-10T09:41:38Z
last_indexed 2025-07-10T09:41:38Z
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