Effect of Eluent Composition on the Distribution Coefficient of Saccharides on to a Cation-exchange Resin in Sodium-ion Form
1997
Adachi, Shuji | Matsuno, Ryuichi
The distribution coefficients of glucose, maltose, and maltotriose on to a cation-exchange resin in sodium-ion form were measured by using methanol- or ethanol-water mixtures of various content as eluents. With increasing methanol or ethanol content, the resin shrank and the coefficients increased. This increase in the coefficients could not be explained by only the effect of the swelling pressure of the resin on the distribution, and it seems that the complex formation of Na⁺ and the saccharides played an important role. The binding constants between some saccharides and Na⁺ were evaluated, and the electronegativity of each saccharide relative to that of glucose was estimated.
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