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Encyclopedia Britannica - Main :: DIO-DRO |
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DOBEREINER, JOHANN WOLFGANG (178o--1849) , German chemist, was born near Hof in Bavaria on the 15th of December 1780. After studying pharmacy at Munchberg, he started a chemical manufactory in 1803, and in 1810 was appointed professor of chemistry , pharmacy and technology at Jena, where he died on the 24th of March
platinum in a minute state of division and on the oxidation products of alcohol. In 1822 he showed that when a mass of platinum black, supplied with alcohol by a wick is enclosed in a jar to which the air has limited access, acetic acid and water are produced; this experiment formed the basis of the Schtitzenbach Quick
alcohol by various methods, also obtaining its crystalline compound with ammonia, and he was the discoverer of furfurol. An early observation of the diffusion of gases was recorded by him in '823 when he noticed the escape of hydrogen from a cracked jar, attributing it to the capillary action of fissures. His works included treatises
chemistry (1821-1825) and the chemistry of fermentation (1822).A correspondence which he carried on with Goethe and Charles August, grand-duke of Saxe- Weimar
Weimar
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