The suitability of capillary zone electrophoresis for the determination of stability constants of metal complexes was investigated. Three variants were tested viz., the frontal analysis, the Hurnmel-Dreyer method and the vacancy peak method, in the step-wise complexation between copper(U) and l,lO-p
Dynamic complexation of solutes in capillary electrophoresis
β Scribed by Michael T. Bowser; Dr. David D. Y. Chen
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 513 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0173-0835
No coin nor oath required. For personal study only.
β¦ Synopsis
The analyte migration behavior in any chemical separation system can be described using a single equation that unifies all areas of separation science. This equation can be used in capillary electrophoresis (CE) to design separation systems, and to study interactions between analytes and additives. By using individual capacity factors for each analyte species present in the system, and with the knowledge of the characteristics of each interaction, one can predict the analyte migration behavior in complicated CE systems, including systems with multiple 1 : 1 interactions andlor higher order interactions.
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## Quantitative description of migration behavior of porphyrins based on the dynamic complexation model in a nonaqueous capillary electrophoresis system The effect of an additive (Brij 35) on the mobilities of a group of porphyrin acids is quantitatively characterized based on a 1: 1 dynamic compl