毛细管气相色谱固定相环烷基杯芳烃的分离性能

IF 0.5 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Quimica Nova Pub Date : 2023-05-08 DOI:10.21577/0100-4042.20230013

Wei Zhang, Zhiqiang Cai, Wei Li, Qiuchen Huang, Ruonan Chen, Yiwen Li, Keyun Jin, Yi Zhao, T. Sun

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引用次数: 0

摘要

提出了一种用于气相色谱(GC)分离的新型PEG修饰杯[4]芳烃固定相(C4A-PEG-2PTSC)。静态涂覆的C4A-PEG-2PTSC柱极性中等，柱效率为2224 plates m-1(用1-辛醇测定)。结果表明，C4A-PEG-2PTSC色谱柱对含卤代苯、苯醛、酚类、醇类、苯胺类异构体等多种类型的分析物具有良好的分离性能，并表现出与对照柱不同的保留行为。重要的是，该色谱柱对甲苯胺和二甲苯异构体的分离能力优于HP-35。并将其应用于实际样品分析中，检测异构体杂质的含量。本工作显示了C4A-PEG-2PTSC固定相在GC分析中的良好应用潜力。

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SEPARATION PERFORMANCE OF PEG-LINKED CALIX[4]ARENE AS STATIONARY PHASE FOR CAPILLARY GAS CHROMATOGRAPHY

This work presented a new PEG modified calix[4]arene stationary phase (C4A-PEG-2PTSC) for gas chromatographic (GC) separations. The statically coated C4A-PEG-2PTSC column exhibited moderate polarity and column efficiency of 2224 plates m-1 determined by 1-octanol at 120 oC. The results showed that the C4A-PEG-2PTSC column exhibited the good separation performance for various types of analytes containing halogenated benzenes, benzaldehydes, phenols, alcohols, anilines isomers and showed the different retention behavior with the comparative columns. Importantly, it showed the better separation capacity of toluidine and xylidine isomers than commercial HP-35 column. Moreover, it was applied in practical sample analysis to detect the content of isomer impurities. This work exhibited the good application potential of C4A-PEG-2PTSC stationary phase in GC analyses.

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来源期刊

Quimica Nova 化学-化学综合

CiteScore

1.60

自引率

12.50%

发文量

审稿时长

2-4 weeks

期刊介绍： Química Nova publishes in portuguese, spanish and english, original research articles, revisions, technical notes and articles about education in chemistry. All the manuscripts submitted to QN are evaluated by, at least, two reviewers (from Brazil and abroad) of recognized expertise in the field of chemistry involved in the manuscript. The Editorial Council can be eventually asked to review manuscripts. Editors are responsible for the final edition of QN.