Arrhenius, Svante August (sfänˈtə, ärāˈnēəs) [key], 1859–1927, Swedish chemist. He was a professor of physics in Stockholm in 1895 and became director of the Nobel Institute for Physical Chemistry, Stockholm, in 1905. For originating (1884, 1887) the theory of electrolytic dissociation, or ionization, he received the 1903 Nobel Prize in Chemistry. He also investigated osmosis and toxins and antitoxins. His works, translated into many languages, include Immunochemistry (1907), Quantitative Laws in Biological Chemistry (1915), The Destinies of the Stars (tr. 1918), and Chemistry in Modern Life (tr. 1925).
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