Kinetics and Mechanism of the Oxidation of Naphthol Green B by Peroxydisulphate Ion in Aqueous Acidic Medium

Figure 2

The Michaelis-Menten plot for the redox reaction between naphthol green B and S₂O₈²⁻ at [NGB]=4.0×10⁻⁵ mol dm⁻³, [S₂O₈²⁻]=(4.8--6.8)×10⁻³ mol dm⁻³, [H⁺] = 1.0 × 10⁻⁴ mol dm⁻³, 𝐼=0.50 mol dm⁻³, 𝜆=700 nm, and 𝑇=23±1^∘C.