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Efficient Gas Chromatographic Separation of Xylene and Other Aromatic Isomers by Using Pillar[6]arene-based Stationary Phase by Tao Sun; Ruonan Chen; Qiuchen Huang; Mengyi Ba; Zhiqiang Cai; Haipeng Chen; Yueheng Qi; Hong Chen; Xianming Liu; Donatella Nardiello; Maurizio Quinto is a Chemistry article available to read on EtoBox.

What is Efficient Gas Chromatographic Separation of Xylene and Other Aromatic Isomers by Using Pillar[6]arene-based Stationary Phase about?

The separation of aromatic isomers, in particular xylene isomers, represents a big issue in chemical and petroleum industries, owing to their similar molecular sizes and boiling points. In this work, the investigation ofpillar[6]arene derivative modified by long alkyl chains (P6A-C10) as a stationary phase for high-resolution gas chromatographic (GC) separations of xylene isomers is presented. Pillar[n]arenes are a new class of macrocyclic hosts that can accommodate specific guests due to their highly symmetrical and rigid pillar architectures with π-electron rich cavities. The P6A-C10 column showed high-resolution performance towards xylene isomers, with peculiar advantages if compared with the commercial HP-5, HP-35, DB-17, and PEG-20Mcolumns.A quantum chemistry calculation has been performed, showing a difference in non-covalent interactions with the P6A-C10 pillar framework, which leads to specific selectivity for xylene isomers.Furthermore, the P6A-C10 column exhibited good repeatability.

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Author

Tao Sun; Ruonan Chen; Qiuchen Huang; Mengyi Ba; Zhiqiang Cai; Haipeng Chen; Yueheng Qi; Hong Chen; Xianming Liu; Donatella Nardiello; Maurizio Quinto

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Chemistry (Physical Sciences)