摘要
A novel Congo red (CR) derivatized silica stationary phase was prepared and packed into a fused silica capillary tube for nano-flow HPLC. A variety of analytes including poly-aromatic hydrocarbons, parabens, acids, sulfonamides, bases, and nucleosides were successfully separated using the CR. In comparison with commercial ODS columns, this new stationary phase has a different separation mechanism (hydrophobically-assisted ion-exchange), which was evident in the separation of benzoic acid derivatives and sulfonamides. The successful application of CR-bonded silica stationary phase in the HILIC and PALC modes demonstrates the effectiveness of this potential chromatographic material in nano flow HPLC.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 1083-1090 |
| 页数 | 8 |
| 期刊 | Analyst |
| 卷 | 141 |
| 期 | 3 |
| DOI | |
| 出版状态 | 已出版 - 7 2月 2016 |
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