Separation of Solutes Containing π-Electron on  Pyrenebutyric  Acid-bonded Silica Stationary Phase by HPLC

Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (4): 622.

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Separation of Solutes Containing π-Electron on Pyrenebutyric Acid-bonded Silica Stationary Phase by HPLC

YU Qiong-Wei, QU Li, HE Hai-Bo, FENG Yu-Qi*

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China

Received:2005-06-14 Online:2006-04-10 Published:2006-04-10
Contact: FENG Yu-Qi,E-mail: yqfeng@public.wh.hb.cn

Abstract

Abstract:

The chromatographic performance of pyrenebutyric acid-bonded silica phase was evaluated by studying the separation of solutes containing π-electron. The results show that the PYB not only have the hydrophobicity and charge-transfer ability but also have the planar recognized ability, and could separate well such solutes containing π-electron as polycyclic aromatic hydrocarbon and some nitroaromatic hydrocarbons. The stationary phase has a high stability at a pH value between 3.5 and 7.0. The silanophilic activity of the PYB was weakened because of the existence of the amide group in the packing. It can be efficiently used for the analysis of basic compounds.

Key words: Pyrenebutyric acid; Stationary phase; Polycylic aromatic hydrocarbon; Nitroaromatic hydrocarbon; HPLC

CLC Number:

O657.7

TrendMD:

YU Qiong-Wei, QU Li, HE Hai-Bo, FENG Yu-Qi*. Separation of Solutes Containing π-Electron on Pyrenebutyric Acid-bonded Silica Stationary Phase by HPLC[J]. Chem. J. Chinese Universities, 2006, 27(4): 622.

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Separation of Solutes Containing π-Electron on Pyrenebutyric Acid-bonded Silica Stationary Phase by HPLC

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