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Webcations in both anion-exchange and cation-exchange chro-matography, as illustrated in Fig. 1, implying that the selectivity occurs because of ionic interactions with the functional...
WebJan 14, 2022 · Ion-exchange chromatography (IEX) is a class of liquid chromatography used to separate organic and inorganic molecules, in particular biomolecules. ... Cation exchange...
WebJan 14, 2022 · Based on the charge on the ions to be separated, two types of IEX chromatography, namely anion exchange or cation exchange, are used. The anion exchange columns have positively...
WebJan 24, 2023 · The counterions to these fixed charges are mobile and are displaced by ions that compete more favorably for the exchange sites. Ion-exchange resins are divided into four categories:...
WebCation ion exchange occurs when nutrient cations are attracted to charged surface of cells within the root, called cortex cells. When cation exchange occurs, the plant root releases a hydrogen...