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KMID : 1059519930370090793
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Journal of the Korean Chemical Society
1993 Volume.37 No. 9 p.793 ~ p.799
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Liquid Chromatography of Aromatic Sulfonic Acids by Tetramethylammonium Bromide
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Oh Hae-Beom
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Abstract
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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 C18 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-a nion, 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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KEYWORD
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