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

Table 6

Effect of light intensity.

Light intensity/mW cm^−2	Methylene blue	Safranine-O
	/sec^−1	/sec^−1
20.0	0.56	2.51
30.0	0.75	2.79
40.0	1.12	2.98
50.0	1.53	3.07
60.0	2.11	3.45
70.0	1.90	3.10

For methylene blue, pH = 5.0; [Methylene Blue] =  mol dm⁻³; [] =  mol dm⁻³; [AgNO₃] =  mol dm⁻³. For safranine-O, pH = 4.5; [Safranine-O] =  mol dm⁻³; [] =  mol dm⁻³; [AgNO₃] =  mol dm⁻³.