Concentration (PPM) UV-A (2.0 mW/cm2) UV-B (0.5 mW/cm2) 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.