Determination of plasma ascorbic acid by high-performance liquid chromatography with ultraviolet and electrochemical detection.


A convenient and reliable reversed-phase liquid chromatographic method for the routine determination of ascorbic acid with ultraviolet detection is described. This system avoids the use of modifier and ion-pairing reagent. The mobile phase consists of 20 mM ammonium dihydrogenphosphate with 0.015% metaphosphoric acid. This method enables the detection of… (More)


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