title: Selectivity in micellar chromatography using a zwitterionic surfactant.
abstract: This work discusses the effects of neutral zwitterionic micelles composed of N-dodecyl-N,N-dimethylammonium-3-propane-1-sulfonate (C12DAPS) on the retention of several substituted benzene compounds. The correlation of molecular properties and retention demonstrates that negative charge, hydrophobicity, and polarizability are important in governing a solute's distribution in the micelles. The selectivity of the micelles differs from that of the native reversed-phase stationary phase, especially for nitrophenol isomers and halobenzenes.
mesh_terms: D001555:Benzene Derivatives / Q000302:isolation & purification; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002845:Chromatography; D003102:Colloids; D007536:Isomerism; D008823:Micelles; D009596:Nitrophenols / Q000032:analysis; D000644:Quaternary Ammonium Compounds; D013501:Surface-Active Agents
chemical_list: D001555:Benzene Derivatives; D003102:Colloids; D008823:Micelles; D009596:Nitrophenols; D000644:Quaternary Ammonium Compounds; D013501:Surface-Active Agents; C034730:zwittergent 3-12