Search over 40,000 articles from the original, classic Encyclopedia Britannica, 11th Edition.
|
KARL See also:FRIEDRICH See also:MOHR (1806-1879) , See also:German pharmacist, son of a well-to-do druggist in Coblentz, was See also:born on the 4th of See also:November 1806 . Being a delicate See also:child he received much of his See also:early See also:education at See also:home, in See also:great See also:part in his See also:father's laboratory . To this may be traced much of the skill he showed in devising See also:instruments and methods of See also:analysis . At the See also:age of twenty-one he began to study See also:chemistry under See also:Leopold See also:Gmelin, and, after five years spent in See also:Heidelberg, See also:Berlin and See also:Bonn, returned with the degree of Ph.D. to join his father's See also:establishment . On the See also:death of his father in 184o he succeeded to the business, retiring from it for scientific leisure in 1857 . Serious pecuniary losses led him at the age of fifty-seven to become a privaidozent in Bonn, where in 1867 he was appointed, by the See also:direct See also:influence of the See also:emperor, extraordinary See also:professor of See also:pharmacy . He died at Bonn on the 28th of See also:September 1879 . See also:Mohr was the leading scientific pharmacist of his See also:time in See also:Germany, and he was the author of many improvements in See also:analytical processes . His methods of volumetric analysis were expounded in his Lehrbuch der chemisch-analytischen Titrirmethode (1855), which won the See also:special See also:commendation of See also:Liebig and has run through many See also:editions . His Geschichte der Erde, eine Geologie auf newer Grundlage (1866), also obtained a wide circulation . In a See also:paper " Uber See also:die Natur der Warme," published in the Zeitschrift See also:fur Physik in 1837, he gave one of the earliest See also:general statements of the See also:doctrine of the conservation of See also:energy in the words: " besides the 54 known chemical elements there is in the See also:physical See also:world one See also:agent only, and this is called Kraft (energy) . |
|
|
[back] MOHONK LAKE |
[next] FRIEDRICH MOHS (1773-1839) |
There are no comments yet for this article.
Do not copy, download, transfer, or otherwise replicate the site content in whole or in part.
Links to articles and home page are encouraged.