Abstract
Tube radical distribution chromatography (TRDC) uses an untreated open tubular capillary tube and a ternary mixture of solvents (water and hydrophilic/hydrophobic organic solvents) as a carrier solution. A model analyte mixture comprising 1-naphthol, 1-naphthoic acid, 1-naphthalenesulfonic acid, 2,6-naphthalenedisulfonic acid, and 1,3,6-naphthalenetrisulfonic acid was examined by the TRDC and capillary zone electrophoresis (CZE) systems that comprised mainly a capillary tube and a detector. In the TRDC system the elution order of analytes could be changed by altering the component ratios of the solvents, whereas in the CZE system the elution order was changed by altering the electroosmotic flow direction. The experimental data obtained provide clues about the features and utility of TRDC as a new separation method.
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Acknowledgments
This work was supported by a Grant-in-Aid for Scientific Research (C) from the Ministry of Education, Culture, Sports, Science, and Technology, Japan. This work was also supported by “Advanced Study for Integrated Particle Science, and Technology,” Strategic Development of Research Infrastructure for Private Universities, the Ministry of Education, Culture, Sports, Science, and Technology, Japan.
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Tabata, K., Jinno, N., Noda, K. et al. Tentative Comparison of Tube Radial Distribution Chromatography and CZE. Chromatographia 75, 423–428 (2012). https://doi.org/10.1007/s10337-012-2203-y
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DOI: https://doi.org/10.1007/s10337-012-2203-y