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Use of ionic polymers as stationary and pseudo-stationary phases in the separation of ions by capillary electrophoresis and capillary electrochromatography

Citation

Fritz, J and Breadmore, MC and Hilder, EF and Haddad, PR, Use of ionic polymers as stationary and pseudo-stationary phases in the separation of ions by capillary electrophoresis and capillary electrochromatography, Journal of Chromatography A, 942, (1-2) pp. 11-32. ISSN 0021-9673 (2002) [Refereed Article]


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DOI: doi:10.1016/S0021-9673(01)01403-0

Abstract

One of the problems with capillary electrophoresis is a lack of versatility regarding manipulation of the separation selectivity. A new and potentially universal concept is to introduce an ion-exchange component into a separation so that the migration of analyte ions is influenced by both their electrophoretic mobilities and their chromatographic properties. This may be accomplished by use of capillaries filled with or coated with solid ion-exchange polymers, or by addition of a soluble ionic polymer to the background electrolyte to create a pseudo-stationary phase. While each of these methods achieves the same result, they are not competitive, but rather complementary as the problems associated by one approach are overcome by the others. Recent highlights in the field are used to illustrate the flexibility that this approach provides to electrophoretic separation of ions.

Item Details

Item Type:Refereed Article
Keywords:norganic anions; Organic acids; Inorganic cations; Reviews; Ion chromatography–capillary electrophoresis; Electrochromatography; Stationary phases, electrochromatography; Capillary electrophoresis–ion chromatography
Research Division:Chemical Sciences
Research Group:Analytical Chemistry
Research Field:Separation Science
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Chemical Sciences
Author:Fritz, J (Professor Jim Fritz)
Author:Breadmore, MC (Professor Michael Breadmore)
Author:Hilder, EF (Professor Emily Hilder)
Author:Haddad, PR (Professor Paul Haddad)
ID Code:25308
Year Published:2002
Web of Science® Times Cited:25
Deposited By:Chemistry
Deposited On:2002-08-01
Last Modified:2010-02-08
Downloads:0

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