Concentration (PPM)
UV-A (2.0 mW/cm
2
)
UV-B (0.5 mW/cm
2
)
Sunlight
5
0.097
0.098
0.212
10
0.234
0.236
0.398
20
0.511
0.512
0.591
30
0.976
0.792
0.765
40
1.278
0.129
0.712
50
1.325
0.534
0.713
Control (50ppm)
0.912
0.971
0.582
Table 1a:
Generation of singlet oxygen in Anthracene on exposing in UV-A, UV-B, and Sunlight for 1hr.