Eleven polyol compounds including monosaccharides, disaccharides and acidic polyol compounds were investigated as additives to a boric acid eluent in anion-exchange chromatography. It was expected that boric acid eluents containing polyol compounds would have new characteristics because the latter compounds form ester-like complexes with boric acid. The addition of polyol compounds increased the eluent strength of boric acid. In particular, acidic polyol compounds gave stronger eluents when they were used with boric acid than when they were used alone. This promotion of the eluent strength is due to the formation of polyol-borate complexes. © 1987.
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