Fig. 1From: Electrochemical oxidation of provitamin B5, d-panthenol and its analysis in spiked human urineCyclic voltammograms of 1.0 mM DP on glassy carbon electrode in pH 4.2, phosphate buffer (I = 0.2 M) at 0.05 Vs−1 (a) DP, (b) blankBack to article page