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THOMSEN, HANS PETER JORGEN JULIUS (18...

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Originally appearing in Volume V26, Page 871 of the 1911 Encyclopedia Britannica.
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THOMSEN, HANS See also:PETER JORGEN See also:JULIUS (1826–1909) , Danish chemist, was See also:born in See also:Copenhagen on the 16th of See also:February 1826, and spent his See also:life in that See also:city. From 1847 to 1856 he was engaged in teaching See also:chemistry at the See also:Polytechnic, of whichfrom 1883 to 1892 he acted as director, and from 1856 to 1866 he was on the See also:staff of the military high school. In 1866 he was appointed See also:professor of chemistry at the university, and retained that See also:chair until his retirement from active See also:work in 1891. His name is famous for his researches in See also:thermochemistry, and, especially between 1869 and 1882, he carried out a See also:great number of determinations of the See also:heat evolved or absorbed in chemical reactions, such as the formation of salts, oxidation and reduction, and the See also:combustion of organic compounds. His collected results were published in 1882–1886 in four volumes under the See also:title Thermochemische Untersuchungen, and also a resume in See also:English under the title Thermochemistry in I9o8. In 1857 he established in Copenhagen a See also:process for manufacturing soda from See also:cryolite, obtained from the See also:west See also:coast of See also:Greenland. He died on the 13th of February 1909. His See also:brother, Carl See also:August Thomsen (1834–1894), was lecturer on technical chemistry at the Copenhagen Polytechnic, and a second brother, See also:Thomas Gottfried Thomsen (1841–1901), was assistant in the chemical laboratory at the university till 1884, when he abandoned See also:science for See also:theology, subsequently becoming See also:minister at Norup and See also:Randers.

End of Article: THOMSEN, HANS PETER JORGEN JULIUS (1826–1909)

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