UV exposure (dose)

10 ppm

100 ppm

500 ppm

1000 ppm

UV-A (1.4mW/cm2)

6.0

7.0

7.7

8.1

UV-B (0.4mW/cm2)

4.3

4.8

5.0.

5.5

UV exposure (dose)

10 ppm

100 ppm

500 ppm

1000 ppm

UV-A (1.4mW/cm2)

6.0

7.0

7.7

8.1
Table 6: Inhibition zone at different concentration of Rose Bengal on E.coli on exposing to UV-A, UV-B and sunlight.
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