A predictive model of organic acids separation by chromatography with strong anionic resins in sulfate form
Journal of Chromatography A(2022)
摘要
Organic acids commonly have quite symmetrical chromatography profiles at low pH (< 1.5) with strong anionic resins, but a significant tailing can be observed with succinic and citric acids. Classical adsorption models, like the Langmuir model, fail to predict this behavior, which can have a major influence on mean retention times and profile shapes, therefore on chromatography performances.
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关键词
Chromatography,Modeling,Strong anionic resin,CE/SE method,Langmuir adsorption,Ion-exchange
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