Citation: ZHAO Xiao-Jie, HUANG Long, SONG Xu-Yan, XING Jun. Separation Performance of Ionic Liquid/Cellulose Mixture as Gas Chromatographic Stationary Phase[J]. Chinese Journal of Analytical Chemistry, ;2018, 46(8): 1289-1296. doi: 10.11895/j.issn.0253-3820.181052
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A cellulose derivative (C-C4) synthesized by "click" reaction and methylation reaction in sequence was mixed with ionic liquid bonded polysilxoane (PIL-C12-NTf2) to prepare a capillary column (C-C4@PIL-C12) for gas chromatography. The prepared column has a column efficiency of 2778 plates/m (for naphthalene k=6.20, 100℃) and exhibits satisfying durability. Abraham's solvation parameter model was used to reveal the interaction characteristics and some representative compounds were employed to investigate the separation selectivity. It was resulted that compared with the two commercially available polar stationary phases of Elite-waxetr and TG-17ms, C-C4@PIL-C12 possessed moderate strength of the hydrogen bond basicity, dipolarity/polarizability and hydrogen bond acidity, and displayed better separation selectivity for the tested analytes, such as aromatic isomers, substituted alkanes, aliphatic acid esters, n-alkanes and phthalic acid esters.
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