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Citation: LI Laisheng, HE Xiaoying, CHEN Hong, FANG Yishan. Preparation and Property Evaluation of Cucurbit[7]uril Coated Celite as Gas Chromatography Stationary Phase[J]. Chinese Journal of Applied Chemistry, ;2012, 29(3): 304-310. doi: 10.3724/SP.J.1095.2012.00168 shu

Preparation and Property Evaluation of Cucurbit[7]uril Coated Celite as Gas Chromatography Stationary Phase

1.
Center of Analysis and Testing, Nanchang University, Nanchang 330047, China

Corresponding author: LI Laisheng,
Received Date: 22 April 2011
Available Online: 8 June 2011
Fund Project: 江西省教育厅科技项目(GJJ11274)资助 (GJJ11274)

The synthesized and purified cucurbit[7]uril(CB[7]) was coated on a 102 white celite carrier under acidic conditions as a new gas chromatography(GC) stationary phase.The chemical structure of the CB[7] was characterized by infrared spectroscopy,mass spectrometry,elemental analysis and thermogravity analysis.The McReynolds constants of the new stationary phases were determined by using different probes in order to characterize its basic chromatographic property.The separation abilities of some aromatic hydrocarbons,halohydrocarbons,alcohols,ketones,esters,siloxanes were investigated on the packed column of CB[7] coated stationary phase,respectively.The results showed that new CB[7] stationary phase exhibited not only a good thermal stability and also a better separation selectivity for different analytes,indicating that the CB[7] stationary phase has a great potential in GC separations.Especially,some high boiling point esters and siloxanes can be successfully separated within 7 min.Additionally,the retention mechanism of the CB[7] stationary phase was also discussed.
- cucurbit[7]uril,
- gas chromatography stationary phase,
- packed column,
- chromatographic property,
- siloxanes
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