Performance and selectivity of lower-rim substituted calix[4]arene as a stationary phase for capillary gas chromatography

Sun, Tao; Li, Bin; Shuai, Xiaomin; Chen, Yujie; Li, Weiwei; Chi, Zhi-Qiang; Qiao, Xiaoguang; Hu, Shaoqiang; Ma, Lu-Fang

doi:10.1039/c9ra03004b

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“…As the core component in GC system, a stationary phase with high selectivity enables effective separation of analytes with close nature. In the past decades, diverse types of GC stationary phases have been explored, such as polymeric materials, ionic liquids, macrocyclic compounds and metal organic frameworks, etc., [5,6,7,8,9,10,11,12,13,14]. Polymeric materials with good solubility and film-forming ability, wide operational temperature range, and high chemical/thermal stability are advantageous as stationary phase in GC separations.…”

Section: Introductionmentioning

confidence: 99%

Amphiphilic Block Copolymer PCL-PEG-PCL as Stationary Phase for Capillary Gas Chromatographic Separations

et al. 2019

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This work presents the first example of utilization of amphiphilic block copolymer PCL-PEG-PCL as a stationary phase for capillary gas chromatographic (GC) separations. The PCL-PEG-PCL capillary column fabricated by static coating provides a high column efficiency of 3951 plates/m for n-dodecane at 120 °C. McReynolds constants and Abraham system constants were also determined in order to evaluate the polarity and possible molecular interactions of the PCL-PEG-PCL stationary phase. Its selectivity and resolving capability were investigated by using a complex mixture covering analytes of diverse types and positional, structural, and cis-/trans-isomers. Impressively, it exhibits high resolution performance for aliphatic and aromatic isomers with diverse polarity, including those critical isomers such as butanol, dichlorobenzene, dimethylnaphthalene, xylenol, dichlorobenzaldehyde, and toluidine. Moreover, it was applied for the determination of isomer impurities in real samples, suggesting its potential for practical use. The superior separation performance demonstrates the potential of PCL-PEG-PCL and related block copolymers as stationary phases in GC and other separation technologies.

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Section: Introductionmentioning

confidence: 99%

Amphiphilic Block Copolymer PCL-PEG-PCL as Stationary Phase for Capillary Gas Chromatographic Separations

et al. 2019

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Performance and selectivity of lower-rim substituted calix[4]arene as a stationary phase for capillary gas chromatography

Abstract: This work presents the investigation of p-tert-butyl(tetradecyloxy)calix[4]arene (C4A-C10) as stationary phase for capillary gas chromatographic (GC) separations.

Cited by 1 publication

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Amphiphilic Block Copolymer PCL-PEG-PCL as Stationary Phase for Capillary Gas Chromatographic Separations

Amphiphilic Block Copolymer PCL-PEG-PCL as Stationary Phase for Capillary Gas Chromatographic Separations

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