Fig. 12

Absorption spectrum of Reactive Blue 21 solution (60 mg/L) degraded by biosynthesized CuO-NPs with UV irradiation time of 0 to 180 min.

Absorption spectrum of Reactive Blue 21 solution (60 mg/L) degraded by biosynthesized CuO-NPs with UV irradiation time of 0 to 180 min.