Effect of pH and phosphate ions on the polarographic behavior of D-glucuronolactone

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Abstract
The polarographic determination of D-glucuronolactone in aqueous solution was shown to be feasible up to a concentration of 6 mg per ml in KCl, NaCl, and LiCl with gelatin as the maximum suppressor. The effect of pH and phosphate ions on the polarographic wave of D-glucuronolactone is discussed and compared to the reaction of dialkyl hydrogen phosphites and trialkyl phosphites with β-propiolactones. The effect of pH and phosphate ions on the polarographic wave of D-glucuronic acid was also investigated.