Capillary zone electrophoresis of complex ionic mixtures with on-line isotachophoretic sample pretreatment
✍ Scribed by D. Kaniansky; J. Marák; V. Madajová; E. Šimuničová
- Book ID
- 107785076
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 949 KB
- Volume
- 638
- Category
- Article
- ISSN
- 1873-3778
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Preparative capillary isotachophoresis (ITP) operating in a discontinuous fractionation mode was studied as a sample pretreatment technique for capillary zone electrophoresis (CZE) trace analysis of a group of ten nitrophenols. Different separation mechanisms employed by these capillary electrophore
## Abstract A simple isotachophoretic (ITP) preconcentration column for subsequent online capillary zone electrophoresis is described, and its use for enhancing detectability in capillary zone electrophoresis (CZE) is evaluated. Sample preconcentration using ITP is shown to enhance detectability in
## Abstract A method for concentrating dilute samples prior to separation by capillary zone electrophoresis (CZE) is described. The principles of isotachophoresis are used to achieve higher local concentrations of the sample solution within a preconcentration capillary that is attached directly to