High-resolution performance of pillar[6]arene functionalized with imidazolium ionic liquids for gas chromatography
Copyright © 2024 Elsevier B.V. All rights reserved..
Pillar[n]arenes (P[n]A, n = 5-10) have attracted much attention because of their highly symmetric pillar-shaped architecture with π-electron rich cavity. Nevertheless, the use of ionic liquid functionalized P[n]A in chromatography has not been reported up to data. This work reports the investigation of the imidazolium ionic liquids functionalized pillar[6]arene (P6A-C10-IM-C8[NTf2]) as the stationary phase for gas chromatography (GC). The statically coated P6A-C10-IM-C8[NTf2] column (0.25 mm i.d.) showed moderate polarity and high column efficiency of 4733 plates/m determined by n-dodecane at 120 °C (k = 2.29). Owing to its unique amphiphilic conformation, the P6A-C10-IM-C8[NTf2] showed good column inertness and resolving capability for a wide range of analytes and isomers. Particularly, the P6A-C10-IM-C8[NTf2] column exhibited distinctly advantageous performance for the challenging isomers of halogenated benzenes, benzaldehydes, phenols and anilines over the common commercial columns, namely 5% phenyl methyl polysiloxane (HP-5) and 35% phenyl methyl polysiloxane (HP-35). In addition, it exhibited good column repeatability and reproducibility with RSD values on the retention times less than 0.05% for run-to-run, 0.38% for day-to-day and 2.94% for column-to-column, respectively. This work demonstrates the promising future of ionic liquid P[n]A stationary phases for chromatographic separations.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2024 |
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Erschienen: |
2024 |
Enthalten in: |
Zur Gesamtaufnahme - volume:273 |
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Enthalten in: |
Talanta - 273(2024) vom: 01. Apr., Seite 125877 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Sun, Tao [VerfasserIn] |
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Links: |
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Themen: |
Gas chromatography |
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Anmerkungen: |
Date Revised 07.04.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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doi: |
10.1016/j.talanta.2024.125877 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM369501535 |
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520 | |a Pillar[n]arenes (P[n]A, n = 5-10) have attracted much attention because of their highly symmetric pillar-shaped architecture with π-electron rich cavity. Nevertheless, the use of ionic liquid functionalized P[n]A in chromatography has not been reported up to data. This work reports the investigation of the imidazolium ionic liquids functionalized pillar[6]arene (P6A-C10-IM-C8[NTf2]) as the stationary phase for gas chromatography (GC). The statically coated P6A-C10-IM-C8[NTf2] column (0.25 mm i.d.) showed moderate polarity and high column efficiency of 4733 plates/m determined by n-dodecane at 120 °C (k = 2.29). Owing to its unique amphiphilic conformation, the P6A-C10-IM-C8[NTf2] showed good column inertness and resolving capability for a wide range of analytes and isomers. Particularly, the P6A-C10-IM-C8[NTf2] column exhibited distinctly advantageous performance for the challenging isomers of halogenated benzenes, benzaldehydes, phenols and anilines over the common commercial columns, namely 5% phenyl methyl polysiloxane (HP-5) and 35% phenyl methyl polysiloxane (HP-35). In addition, it exhibited good column repeatability and reproducibility with RSD values on the retention times less than 0.05% for run-to-run, 0.38% for day-to-day and 2.94% for column-to-column, respectively. This work demonstrates the promising future of ionic liquid P[n]A stationary phases for chromatographic separations | ||
650 | 4 | |a Journal Article | |
650 | 4 | |a Gas chromatography | |
650 | 4 | |a Imidazolium ionic liquid | |
650 | 4 | |a Pillararene | |
650 | 4 | |a Separation | |
650 | 4 | |a Stationary phase | |
700 | 1 | |a Song, Yanli |e verfasserin |4 aut | |
700 | 1 | |a Zhang, YuanYuan |e verfasserin |4 aut | |
700 | 1 | |a Ba, Mengyi |e verfasserin |4 aut | |
700 | 1 | |a Li, Wen |e verfasserin |4 aut | |
700 | 1 | |a Cai, Zhiqiang |e verfasserin |4 aut | |
700 | 1 | |a Hu, Shaoqiang |e verfasserin |4 aut | |
700 | 1 | |a Liu, Xianming |e verfasserin |4 aut | |
700 | 1 | |a Zhang, Shusheng |e verfasserin |4 aut | |
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