Figure 9
From: The Intrinsic Enzyme Activities of the Classic Polyoxometalates

A does-response curve for K10P2W18Fe4(H2O)2O68 depending of the absorbance at 450 nm with OPD as substrates and at 650 nm with TMB as substrates in the presence of diverse concentrations of H2O2. (a)TMB as substrates; (b) OPD as substrates.