Figure 6

The direct degradation of EV at dark and different wavelength irradiation: 365 nm and visible light. (EV = 10 ppm, pH = 6, Zn foil = 5 × 5 cm2).
The direct degradation of EV at dark and different wavelength irradiation: 365 nm and visible light. (EV = 10 ppm, pH = 6, Zn foil = 5 × 5 cm2).