Abstract
An ion-exchange chromatographic method for the separation of glycolic and malic acids was developed. It was found that the resin structure plays an important role in the resolution of the two acids. The best system for separating the acids was a 2.8-mm i.d., 122-cm long Amberlite CG-400 anion-exchange column. The acids in concentrations of 1–10% in 2 M formic acid gave linear peak area responses.
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