Separation of phenol-containing pyrolysis products using comprehensive two-dimensional chromatography with columns based on pyridinium ionic liquids.
作者： Mikhail V. Shashkov , Vladimir N. Sidelnikov
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摘要: We describe the application of columns with highly polar stationary liquid phases based on pyridinium ionic liquids for two-dimensional chromatography separation bio-oil and product coal pyrolysis. By using inverse combination columns-a first column a second nonpolar column-good results have been obtained. In analysis pyrolysis products, suggested approach provides much better resolution between components in comparison less first-dimension (based polyethylene glycol). A good selectivity peaks phenols is observed, group well detached separated from diaromatics. picture was obtained also bio-oil, groups guaiacol derivatives are distinguished substances within each group.
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