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KMID : 1059519860300030312
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Journal of the Korean Chemical Society
1986 Volume.30 No. 3 p.312 ~ p.319
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Ion-Pair Chromatography of Aromatic Carboxylic Acids on the Reversed-phase System
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Oh Hae-Beom
Kang Sam-Woo
Lee Seung-Seok
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Abstract
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Dodecyltrimethylammonium bromide (DTAB) was examined as a counter-ion in the investigation of capacity factor and separation of aromatic carboxylic acids on alkyl-modified silica (ODS) column as a stationary phase by ion-pair chromatography on reversed-phase system. The capacity factor of samples was influenced by the several factors such as a concentration of counter-ion as well as kinds and concentration of electrolyte, concentration of methanol in mobile phase and kinds and position of functional group in sample molecule. Some mixtures of samples were able to be separated under optimum condition.
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