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Synthesis and characterization of a multimode stationary phase: Congo red derivatized silica in nano-flow HPLC

  • Yi Zhang
  • , Yan Zhang
  • , Guan Wang
  • , Wujuan Chen
  • , Pingang He
  • , Qingjiang Wang*
  • *此作品的通讯作者
  • East China Normal University

科研成果: 期刊稿件文章同行评审

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
141
3
DOI
出版状态已出版 - 7 2月 2016

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