Integration of nanoporous membranes for sample filtration/preconcentration in microchip electrophoresis
β Scribed by Zhicheng Long; Dayu Liu; Nannan Ye; Jianhua Qin; Bingcheng Lin
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 287 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0173-0835
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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
A bulk liquid membrane system has been used as preconcentration tool for the spectrometric determination of cadmium in seawater. The membrane contained di-(2-ethylhexyl)-phosphoric acid (DEHPA) as mobile carrier dissolved in kerosene. The effects of the composition of both organic and aqueous soluti