Alternative solvents to traditional solvents

Industry consumes large quantities of solvents. These solvents, thanks to their ability to dissolve or disperse other chemical substances, are mainly used in separation processes where the solvent selectively dissolves a product from a mixture, or to reduce viscosity in some production processes (e.g., in paints and coatings). Solvents also appear in cosmetic formulations, in…

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Sunscreens

What are the effects of sunlight on skin? Visible sunlight covers the wavelengths from 400 to 780 nm, and is a small part of the entire spectrum of radiation emitted by the sun. So-called infrared radiation corresponds to wavelengths longer than 780 nm, while ultraviolet radiation is defined as having a wavelength shorter than 400…

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