Ionic liquid-functionalized dendrimer grafted silica for mixed-mode chromatographic separation and online solid-phase extraction

Mingxia Sun,Juanjuan Feng,Yang Feng,Xubo Xin,Yali Ding,Min Sun

Separation and Purification Technology（2023）

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摘要

•SiO2@G1.5-IL can separate hydrophobic and hydrophilic substances.•The separation mechanisms include π-π stacking, hydrophobic, hydrophilic, hydrogen bonding, and electrostatic interaction.•SiO2@G1.5-IL has good extraction performance for hydrophobic analytes.•The online analytical method was established for the detection of PAHs.

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关键词

Ionic liquids,Dendrimers,Stationary phase,Mixed-mode chromatography,Solid-phase extraction,Online analysis

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