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A method of ion-pair chromatography with direct conductivity detection was developed on a silica-based monolithic column for the fast and simultaneous determination of piperidinium and pyrrolidinium ionic liquid cations. The effects of the mobile phase, column temperature and flow rate on the retention of the cations were investigated. The retention rules were discussed. As an ion-pair reagent, sodium...
A method for rapid and simultaneous determination of multiple pyrrolidinium ionic liquid cations by ion chromatography with direct conductivity detection was developed. Chromatographic separations were performed on a cation exchange column using ethylenediamine-acetonitrile as the mobile phase. The effects of chromatographic column and the mobile phase, as well as the column temperature on the retention...
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