期刊
ANALYTICAL LETTERS
卷 44, 期 5, 页码 922-931出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00032711003790064
关键词
Conductivity detection; Imidazolium; Ion chromatography; Ionic liquids
资金
- Natural Science Foundation of Heilongjiang Province [B200909]
- Ministry of Education of Heilongjiang Province [11541088]
An investigation into the determination of four imidazolium ionic liquid cations by ion chromatography using a carboxyl acid cation exchange column and direct conductivity detection was carried out. This research has developed a simple, selective, and accurate ion chromatographic method for separation of imidazolium ionic liquid cations. Detection limits (S/N = 3) for the cations were 3.2-24.3 mg/L. Relative standard deviations (RSD, n = 5) for peak areas were less than 1.6%. The method has been successfully applied to the determination of two ionic liquids synthesized by organic chemistry lab.
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