A spectrophotometric method with flow injection analysis is described for the determination of vitamin C in urine, which presents substantial improvements over the existing conventional manual and automatic methods. Determinations can be carried out at the µg ml–1 level; the method has an average recovery error of ±2.5% and a sampling frequency of 90 samples h–1 can be attained.
F. Lázaro, A. Ríos, M. D. L. de Castro and M. Valcárcel, Analyst, 1986, 111, 167 DOI: 10.1039/AN9861100167
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