Measurements of the ultraviolet radiation of the sun and in a solarium

The tanning of the skin is caused by the darkening of melanin. The tanning process is a complex interaction of different biological and chemical reactions. These reactions are activated and amplified by different spectral proportions of the exciting radiation.
To exactly calculate the effect of the radiation a precise measurement of the proportions of UVA (320nm – 400nm), UVB (280nm-320nm) and UVC (200nm – 280nm) is required.




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