Composites with a porous bipolar surface for ion chromatography

A method for the preparation of a bipolar ion-exchange surface was proposed; it consists in the dynamic arrangement of the nanoparticles of an ion-exchanger modifier in the macropores of a matrix ion exchanger of opposite polarity and the retention of these nanoparticles by Coulomb forces. The NACAT...

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Bibliographic Details
Published in:Journal of analytical chemistry (New York, N.Y.) N.Y.), 2013-05, Vol.68 (5), p.444-449
Main Authors: Dolgonosov, A. M., Kolotilina, N. K., Yadykov, M. S., Burmistrov, A. A.
Format: Article
Language:English
Subjects:
Ammonium compounds
Ammonium paratungstate
Analytical Chemistry
Atomic properties
Calcium
Chemical properties
Chemistry
Chemistry and Materials Science
Chromatography
Composition
Identification and classification
Ion exchange
Magnesium
Metal ions
Methods
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Summary:A method for the preparation of a bipolar ion-exchange surface was proposed; it consists in the dynamic arrangement of the nanoparticles of an ion-exchanger modifier in the macropores of a matrix ion exchanger of opposite polarity and the retention of these nanoparticles by Coulomb forces. The NACATEX analytical cation-exchange column with the separating surface of a new type was prepared, which is suitable for the separation of the mixtures of alkaline element and ammonium ions and also calcium and magnesium ions.
ISSN:1061-9348
1608-3199
DOI:10.1134/S1061934813050079