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History
Photochemistry
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Photochemistry is the branch of chemistry concerned with the chemical effects of light. Generally, this term is used to describe a chemical reaction caused by absorption of ultraviolet, visible (400–750 nm), or infrared radiation (750–2500 nm).
Photochemical immersion well reactor (50 mL) with a mercury-vapor lamp.
Photochemical immersion well reactor (50 mL) with a mercury-vapor lamp.
Photochemical immersion well reactor (750 mL) with a mercury-vapor lamp
Photochemical immersion well reactor (750 mL) with a mercury-vapor lamp
Chemistry
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Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances. Chemistry also addresses the nature of chemical bonds in chemical compounds.
Image: Sulfur sample
Image: Sulfur sample
Image: Sal (close)
Image: Sal (close)
Laboratory, Institute of Biochemistry, University of Cologne in Germany
Laboratory, Institute of Biochemistry, University of Cologne in Germany
Solutions of substances in reagent bottles, including ammonium hydroxide and nitric acid, illuminated in different colors
Solutions of substances in reagent bottles, including ammonium hydroxide and nitric acid, illuminated in different colors