Concentration (PPM)
UV-A (2.0 mW/cm
2
)
UV-B (0.5 mW/cm
2
)
Sunlight
5
0.087
0.191
0.153
10
0.092
0.180
0.246
20
0.182
0.121
0.194
30
0.625
0.180
0.199
40
0.885
0.392
0.224
50
0.912
0.310
0.115
Control (50ppm)
0.978
0.826
0.977
Table 1b:
Generation of singlet oxygen in Benzenthrone on exposing in UV-A, UV-B, and Sunlight for 1hr.
