Abstract

A fast and efficient method for the determination of diacetoneketogulonic acid (DAG)—a substance relevant as contaminant in drinking water—is described. The method is characterized by enrichment of the analyte by solid-phase extraction using a innovative adsorbent and consecutive separation and quantitation by high-performance thin-layer chromatography. The method can be applied to the determination of diacetoneketogulonic acid in waste water, ground water and drinking water. The solid-phase extraction described may also be useful as sample preparation method for other separation techniques.

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