Performance and Mechanism of UV/Immobilized Cu-TiO₂ System to Degradation Histidine

Figure 9

Variation of the main categories of nitrogen in the pure histidine in the UV/Cu-TiO₂ system (Cu-TiO₂: 1%; pH = 7.0; UV₃₆₅ intensity: 1970 μw/cm²).