Karl Wilhelm Scheele( Scientist in the field of chemistry)
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Biography Karl Wilhelm Scheele
Scheele, Karl Wilhelm (Scheele, Karl) (1742-1786) was born December 9, 1742 in the town of Stralsund in the family of a prosperous merchant, when Pomerania was part of the Swedish kingdom.
He was fifteen years old, and his childhood dream come true: my father gave his disciple to a friend pharmacist Bauch from Gothenburg. Scientists, on the customs of the time, was supposed to last for about ten years. Karl Scheele had six years has passed examinations and received the title of pharmacist. Perfectly mastered the profession and moved to Stockholm, Scheele proceed to an independent scientific researches
. The very first of his scientific achievements were related to Isolation and characterization of tartaric acid, which he has received from its salt - cream of tartar (potassium gidrotartrata) and hydrofluoric acid (hydrofluoric) from fluorspar - natural calcium fluoride
After moving first to Uppsala, where Scheele also expecting a large pharmacy, and then - in a small and quiet town Cheping research inquisitive pharmacist went and gave striking results. Swedish chemist, was the author of so many discoveries that they would be enough for a dozen scientists, and many of these discoveries were to receive and cleaning acids.
Judge for yourself. In 1775 Scheele prepared arsenic acid, in 1782-1783 - prussic (tsianovodorodnuyu) acid, in the period from 1776 to 1785 - a set of organic acid: uric acid, oxalic acid, lactic, citric, malic, gallic, and glycerol.
Scheele first received and investigated by potassium permanganate, which is widely used in chemical experiments and in medicine, has developed a way to get phosphorus from the bones, discovered hydrogen sulfide. Finally, it was Karl Wilhelm Scheele belongs to priority of discovery of chemical elements oxygen, chlorine, fluorine, barium, molybdenum, tungsten ...
Years of hard dedicated work, unfortunately, have undermined the health of this remarkable purposeful man, and he lived only to 44 years.
Died May 21, 1786 in Chepinge (Sweden).