Analytical separations in open-tubular capillary electrochromatography
✍ Scribed by Constantina P. Kapnissi-Christodoulou; Xiaofeng Zhu; Isiah M. Warner
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 262 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0173-0835
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## Abstract A multi‐functional separation column modified with 3‐[2‐(2‐aminoethylamino)ethylamino] propyl‐trimethoxysilane was developed for open tubular capillary electrochromatography. This functional hydrophilic triamine‐bonded open tubular column could generate both anodic and cathodic EOF. Whe
## Abstract Fused silica columns of 4.6 μm i.d. were coated with 3‐sulfopropylsilane as a cation exchanger and 3‐(2‐aminoethyl‐amino)‐propylsilane as an anion exchanger. Fast separations of cations (< 25 seconds) and of anions (< 35 seconds) were obtained, using a potentiometric microelectrode as a