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Characterization and Comparison of Methacrylic Acid with 2-Acrylamido-2-methyl-1-propanesulfonic Acid in the Preparation of Monolithic Column for Capillary Electrochromatography


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Title: Characterization and Comparison of Methacrylic Acid with 2-Acrylamido-2-methyl-1-propanesulfonic Acid in the Preparation of Monolithic Column for Capillary Electrochromatography
Authors: Horiguchi, Daisuke / Ohyama, Kaname / Masunaga, Tomoko / Fujita, Yoshiko / Ali, Marwa Fathy Bakr / Kishikawa, Naoya / Kuroda, Naotaka
Issue Date: May-2013
Publisher: Oxford University Press
Citation: Journal of Chromatographic Science, 51(5), pp.425-429; 2013
Abstract: Butyl methacrylate (BMA)-ethylene dimethacrylate (EDMA)-methacrylic acid (MAA) and BMA-EDMA-2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS) monolithic columns were prepared by varying the percentage of ionic monomers for capillary electrochromatography. Monolithic columns with a higher content of ionic monomers provided better column efficiency, and the performance of BMA-EDMA-MAA monoliths was better than BMA-EDMA-AMPS. To characterize and optimize BMA-EDMA-MAA monoliths, the effects of the content of cross-linker and the total monomer in the polymerization mixture on column performance were also studied. Plate heights of 8.2μm for the unretained solute (thiourea) and 12.6μm for the retained solute (naphthalene) were achieved with a monolithic column using 2.5% MAA (Column I).
Keywords: Capillary electrochromatography / Butyl methacrylate-based monolith / Methacrylic acid
URI: http://hdl.handle.net/10069/32396
ISSN: 00219665
DOI: 10.1093/chromsci/bms158
Rights: © 2012 Published by Oxford University Press. All rights reserved. / This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Journal of Chromatographic Science following peer review. The definitive publisher-authenticated version Journal of Chromatographic Science, 51 (5), pp. 425-429; 2013 is available online at: http://dx.doi.org/10.1093/chromsci/bms158
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/32396

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