## Abstract Sample stacking can be used to increase the amount of analyte loaded onto a capillary column without loss in resolution. After the sample is loaded onto the column, the analytes are then separated by conventional capillary zone electrophoresis. When using gravity injection, over an orde
Use of ethanolamine for sample stacking in capillary electrophoresis
✍ Scribed by Dr. Mathilde Louwagie; Thierry Rabilloud; Jérǒme Garin
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 410 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0173-0835
No coin nor oath required. For personal study only.
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## Abstract We present a new system for the sensitive analysis of cephalosporins by CE using both on‐line SPE and large‐volume sample stacking (LVSS). Sample volumes of 250 μL were loaded onto the SPE microcolumn which was then desorbed with 426 nL of ACN. The SPE elution plug was injected into the
A method that allows capillary electrophoresis to be used as a microconcentrating technique is presented. An 85-fold improvement in the amount of material that can be injected into a capillary column without loss of resolution is shown. The method can be used for negative- and positive-charged speci