Fig. 2From: Electrochemical oxidation of provitamin B5, d-panthenol and its analysis in spiked human urineCyclic voltammograms obtained for 1.0 mM DP in buffer solution at (a) pH 3.0, (b) pH 4.2, (c) pH 5.0, (d) pH 6.0, (e) pH 7.0, (f) pH 8.0, and (g) pH 9.2. A Influence of pH on the peak potential E p/V of DP. B Variation of peak currents I p/μA of DP with pHBack to article page