Determination of Imidazolium Ionic Liquid Cations by Ion-Pair Chromatography Using a Monolithic Column and Direct Conductivity Detection
作者： Wei Gao , Hong Yu , Shuang Zhou
DOI: 10.1365/S10337-010-1478-0
关键词: Ionic liquid 、 Column chromatography 、 Conductometry 、 Acetonitrile 、 Monolithic HPLC column 、 Analytical chemistry 、 Chemistry 、 Reversed-phase chromatography 、 Detection limit 、 High-performance liquid chromatography 、 Organic chemistry 、 Clinical biochemistry 、 Biochemistry
摘要: Determination of four imidazolium ionic liquid cations by ion-pair chromatography was carried out using direct conductivity detection. Chromatographic separations were performed on a silica-based monolithic column with 1-heptanesulfonic acid sodium + acetonitrile citric as eluent. Carbon number rule and influence the retention discussed. Detection limits (S/N = 3) for 2.1–55.9 mg L−1. Relative standard deviations (RSD, n 5) peak areas less than 3.0%. The method has been successfully applied to determination two liquids synthesized organic chemistry lab.
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