McKee, Voorhees & Sease, PLC
Zwitterionic compounds as gas chromatographic column stationary phases
A gas chromatographic (GC) column using a zwitterionic compound and methods of use thereof are disclosed herein. The volatile free acids were observed to strongly retain on these zwitterionic compounds-based columns with excellent peak symmetry. By carefully tuning the structures of these zwitterionic compounds, different selectivity toward volatile free acids was demonstrated. These stationary phases possess a wide working range with thermal stabilities at higher temperatures.
Iowa State University Research Foundation, Inc.
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Kosuke Jared L. He
Kuroda Anderson Nan