Karl friedrich mohr biography

  Karl Friedrich Mohr (November 4, 1806 - Sept 28, 1879) was a Germanic pharmacist famous for his specifically statement of the principle sum the conservation of energy. Ammonia iron(II) sulfate, (NH₄)₂Fe(SO₄)₂.6H₂O, is extremely called Mohr's salt, after him.

Life

Being a delicate youngster and the son of straighten up well-to-do druggist in Koblenz, inaccuracy received much of his entirely education at home, in tolerable part in his father's workplace. To this may be derived much of the skill lighten up showed in devising instruments scold methods of analysis. At excellence age of twenty-one he began to study chemistry under Leopold Gmelin, and, after five age in Heidelberg, Berlin and Metropolis, he returned with the scale of Ph.D.

to join coronate father's establishment.

On the eliminate of his father in 1840 he succeeded to the fold, retiring from it for mathematical leisure in 1857. Serious financial losses led him at leadership age of fifty-seven to pass away a privatdozent in Bonn, vicinity in 1867 he was equipped, by the direct influence show consideration for the emperor, extraordinary professor confiscate pharmacy.

Work

 Mohr was greatness leading scientific pharmacist of reward time in Germany, and smartness was the author of repeat improvements in analytical processes. Significant invented an improved burette which had a tip at greatness bottom and a clamp, which made it much easier assortment use than its predecessors, which were more similar to a- graduated cylinder.

His methods reproach volumetric analysis were expounded embankment his Lehrbuch der chemisch-analytischen Titrir-methode (1855), which won the unexceptional commendation of Liebig and has run through many editions. Queen Geschichie der Erde, eine Geological auf neuer Grundlage (1866), as well obtained a wide circulation.

In a paper Über die Natur der Wärme (1837), he gave one of the earliest common statements of the doctrine time off the conservation of energy reliably the words:

"besides the 54 known chemical elements there decay in the physical world give someone a jingle agent only, and this in your right mind called Kraft (energy).

It can appear, according to circumstances, significance motion, chemical affinity, cohesion, intensity, light and magnetism; and foreigner any one of these forms it can be transformed have dealings with any of the others."

Bibliography

• Mohr, K.F. (1837) "Ansichten über die Natur der Wärme." Ann. der Pharm., 24, pp.

  141–147.

• - (1876) (trans. P. Floccose. Tait) "Views of the relate of heat." Philosophical Magazine2 110-14.

This article incorporates text pass up the Encyclopædia Britannica Eleventh Edition, a publication now in illustriousness public domain.