Abstract
The present work was devoted to the investigation of highly polar capillary columns with stationary phases based on ionic liquids (IL) with cyanopropyl-containing cations. Five imidazole and quinolinium cyanopropyl-containing ILs have been studied. Their high polarity has been demonstrated. The measured Abraham selectivity has demonstrated an increase in specific types of interaction comparing to noncyanopropyl analogs. High thermal stability up to 300°C has been shown, especially for dicationic ILs. Examples of separation for one-dimensional and two-dimensional gas chromatography have been shown.
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The present work was performed as a part of a state order to the Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences.
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Shashkov, M.V., Sidelnikov, V.N. Cyanopropyl-Cation Ionic Liquids as High Polar Stationary Phases for Capillary Gas Chromatography. Prot Met Phys Chem Surf 55, 1249–1255 (2019). https://doi.org/10.1134/S2070205119060273
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DOI: https://doi.org/10.1134/S2070205119060273