Oxidation of Sulfonamides in Aqueous Solution by UV-TiO₂-Fe(VI)

Figure 2

The decomposition of Fe(VI) in aqueous solution under UV irradiation ([Fe(VI)]₀ = 0.2 mmol l⁻¹, light intensity = 0.15 mW cm⁻², pH 9.1, and [TiO₂] = 500 mg l⁻¹).