Ultraviolet radiation within 280 and 315 nm. UV-B can be directly absorbed by DNA and is therefore carcinogenic and can kill microorganisms. Most of it in natural sunlight is filtred out by the ozone layer and only some few percent of the solar spectre contain UV-B.
Ultraviolet radiation within 280 and 315 nm. UV-B can be directly absorbed by DNA and is therefore carcinogenic and can kill microorganisms. Most of it in natural sunlight is filtred out by the ozone layer and only some few percent of the solar spectre contain UV-B.
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