A new automated determination of xanthurenic acid in human urine.

Abstract

An automated determination for xanthurenic acid in urine was devised based upon its reaction with 2,6-dichioroquinonechlorimide. The separation of xanthurenic acid from interfering substances, such as urine chromogens and phenolic compounds other than xanthurenic acid, was performed by using Sephadex C-UI. The effluents containing the xanthurenic acid were… (More)

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