International Journal of Photochemistry

Research Article

Silver(I) Catalyzed Photochemical Oxidation of Methylene Blue and Safranine-O by Peroxydisulphate: A Green Chemical Approach

Table 4

Effect of dye concentration.
[Methylene Blue] × 105/M/sec−1[Safranine-O] × 105/M/sec−1
0.40.801.02.41
0.61.192.02.68
0.81.423.03.07
1.01.834.02.56
1.22.115.02.45
1.41.866.02.30
For methylene blue, pH = 5.0; [] =  mol dm−3; [AgNO3] =  mol dm−3; light intensity = 60.0 mW cm−2. For safranine-O, pH = 4.5; [] =  mol dm−3; [AgNO3] =  mol dm−3; light intensity = 60.0 mW cm−2.