[H2O2]

× 103 M

[Fe(II)]

× 104 M

pH

[EY]

× 105 M

Initial rate × 107

mol/L min

(%)

Degradation

(after 30 min)

1.58

3.95

7.90

15.80

23.70

2.00

3.78

2.58

5.41 ± 0.01

6.45 ± 0.01

7.41 ± 0.03

8.15 ± 0.04

8.31 ± 0.04

27.18 ± 0.85

30.15 ± 0.98

31.67 ± 1.04

32.47 ± 1.06

33.05 ± 1.06

7.90

0.50

1.00

2.00

2.50

3.00

4.00

3.78

2.58

3.43 ± 0.01

5.88 ± 0.01

7.35 ± 0.02

7.48 ± 0.03

7.74 ± 0.03

7.84 ± 0.03

18.09 ± 0.62

23.39 ± 0.64

27.62 ± 0.87

28.80 ± 0.88

30.00 ± 0.96

31.35 ± 1.02

15.80

0.50

1.00

2.00

2.50

3.00

4.00

3.78

2.58

5.08 ± 0.02

7.25 ± 0.04

8.26 ± 0.04

8.59 ± 0.05

8.88 ± 0.05

9.03 ± 0.05

21.65 ± 0.66

26.14 ± 0.79

32.50 ± 1.03

33.42 ± 1.05

36.18 ± 1.06

39.29 ± 1.08

23.70

0.50

1.00

2.00

2.50

3.00

4.00

3.78

2.58

8.41 ± 0.03

8.85 ± 0.03

9.11 ± 0.04

10.32 ± 0.05

11.61 ± 0.05

31.70 ± 1.03

33.42 ± 1.05

40.48 ± 1.09

38.12 ± 1.06

41.24 ± 1.10

42.71 ± 1.10

7.90

2.00

2.74

3.15

3.47

3.78

4.15

4.56

2.58

13.49 ± 0.06

10.48 ± 0.05

8.31 ± 0.04

7.35 ± 0.05

5.42 ± 0.04

2.31 ± 0.02

51.49 ± 1.15

32.95 ± 1.04

26.50 ± 0.80

25.65 ± 0.71

21.47 ± 0.65

14.29 ± 0.56

7.90

2.00

3.78

1.24

1.86

2.58

3.41

4.14

1.06 ± 0.01

4.56 ± 0.04

7.30 ± 0.05

10.64 ± 0.06

14.08 ± 0.08

9.11 ± 0.25

20.53 ± 0.60

26.94 ± 0.79

34.21 ± 1.05

34.51 ± 1.05

15.80

2.00

3.78

1.24

1.86

2.58

3.41

4.14

2.91 ± 0.02

5.40 ± 0.05

9.03 ± 0.06

12.04 ± 0.07

14.78 ± 0.07

21.89 ± 0.61

24.73 ± 0.72

31.87 ± 0.02

34.33 ± 1.05

35.57 ± 1.06