## 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
Analysis of a dilute sample by capillary zone electrophoresis with isotachophoretic preconcentration
β Scribed by Takeshi Hirokawa; Akihiro Ohmori; Yoshiyuki Kiso
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 179 KB
- Volume
- 634
- Category
- Article
- ISSN
- 1873-3778
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## 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 The principle of an onβline preconcentration method for capillary zone electrophoresis (CZE) named electrokinetic supercharging (EKS), is described and based on computer simulation the preconcentration behavior of the method is discussed. EKS is an electrokinetic injection method with t
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