Table 6 Forced degradation results

Control

97.1

–

0.198

0.262

Acid degradation (5N HCl)

91.0

6.1

0.185

0.259

Base degradation (5N NaOH)

88.5

8.6

0.201

0.262

Peroxide degradation (30% H₂O₂)

90.9

6.2

0.690

0.243

Thermal degradation

96.0

1.1

0.201

0.264

Control

102.8

–

0.584

0.254

Photolytic (open Perti plate)

95.5

7.3

0.607

0.252

Photolytic (close Petri plate)

97.7

5.1

0.620

0.256

Photolytic (close Petri plate with aluminum foil)

100.3

2.5

0.610

0.253