Table 2 Forced Degradation of ERTU and MET

Acid

1.493

1.966

92.45

7.55

1.448

1.801

92.29

7.71

Alkali

1.766

2.146

94.56

5.44

1.402

1.752

93.07

6.93

Oxidative

1.693

2.130

95.42

4.58

1.348

2.270

94.47

5.53

Thermal

1.936

2.341

96.86

3.14

2.753

2.927

97.07

2.93

Photolytic

1.659

2.009

98.30

1.70

2.489

2.786

98.21

1.79

Neutral

1.780

2.134

98.98

1.02

2.358

2.915

99.10

0.90