Online Encyclopedia

HERMANN VON FEHLING (1812—1885)

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Originally appearing in Volume V10, Page 236 of the 1911 Encyclopedia Britannica.
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HERMANN VON FEHLING (1812—1885)  , German chemist, was born at
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Lubeck on the 9th of
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June 1812 . With the intention of taking up
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pharmacy he entered
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Heidelberg University about 1835, and after graduating went to
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Giessen as preparateur to Liebig, with whom he elucidated the composition of
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paraldehyde and metaldehyde . In 1839 on Liebig's recommendation he was appointed to the chair of chemistry in the polytechnic at
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Stuttgart, and held it till within three years of his
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death, which happened at Stuttgart on the 1st of
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July 1885 . His earlier
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work included an investigation of succinic acid, and the preparation of phenyl
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cyanide (benzonitrile), the simplest nitrile of the aromatic series; but later his time was mainly occupied with questions of technology and public
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health rather than with pure chemistry . Among the
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analytical methods worked up by him the best known is that for the estimation of sugars by Fehling's solution," which consists of a solution of cupric sulphate mixed with
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alkali and potassium-sodium tartrate (Rochelle salt) . He was a contributor to the Handworterbuch of Liebig, Wohler and Poggendorff, and to the Graham-
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Otto Textbook of Chemistry, and for many years was a member of the committee of revision of the Pharmacopoeia Germanica .

End of Article: HERMANN VON FEHLING (1812—1885)
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