Figure 4. Effect of the aeration mode over the hydrogen peroxide electrogeneration. Pre-aeration (O₂ 0.5 vvm) of 1 hr (■); and continuous aeration (O₂ 0.5 vvm), during 4 hrs (■). In a 100 mmol∙L^-1 sodium-potassium phosphate buffer pH 6.0 at 25ºC.