摘 要: | The potentiometric behavior of the chelating ion exchange resin D751 containing iminodiacetic acid groups has been studied at 25℃ by batch titration with alkali and acid in water and in ethanol - water mixture solvent. The titrtion curves, the amount of chemically bound counter-ions and invasive electrolytes in the resin phase,and the solvent contents of the resin have been investigated.
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