Liquid Chromatography of Aromatic Sulfonic Acids by Tetramethylammonium Bromide

Tetramethylammonium Bromide를 이용한 방향족 술폰산들의 액체크로마토그래피

  • Oh, Hae-Beom (Department of Chemistry, Chonju Woosuk University)
  • 오해범 (전주우석대학교 화학과)
  • Published : 1993.09.20


Ion-pair model was predominated over ion-interaction model in the retention mechanism of analytes when tetramethylammonium bromide (TMAB) was used as a counter-ion in the investigation of aromatic sulfonic acids on the reversed-phase liquid chromatography by $C_{18}$ column as a stationary phase. The capacity factors of analytes were influenced by the type and concentration of counter-ions, concentrations of methanol and co-anion, types and position of functional group, and the pH mobile phase. Components of analyte mixture could be separated under the optimum conditions by this method.



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