Johann Friedrich John

from Wikipedia, the free encyclopedia

Johann Friedrich John (born January 10, 1782 in Anklam , † March 5, 1847 in Berlin ) was a German chemist and pharmacologist .

Life

The doctor of medicine worked from 1804 to 1806 as a professor at an economic institute in Moscow . From 1806 until it was closed in 1811, he was professor of chemistry and pharmacy at the Viadrina in Frankfurt (Oder) . Then he went to the university in Berlin.

Johann Friedrich John wrote some multi-volume writings on chemistry and chemical work processes . The nutrient table published by him in 1814 is the oldest in book form. At about the same time and independently of Louis-Joseph Vicat (1786–1861), he discovered the optimal relationship between clay and lime content in the production of hydraulic limes . He was the first to examine the grape acid discovered in 1819 by the manufacturer K. Kestner . He also researched the oxides of manganese .

Fonts (selection)

  • Attempt of a method for the investigation of the mineral water: With representation of some properties about the water in general. Moscow 1805.
  • Chemical laboratory or instructions for chemical analysis of natural products: together with a description of the necessary reagents Maurer, Berlin 1808. ( digital copy )
  • Recherches chymiques sur deux substances minerales, que l'on a placées dans l'ordre magnésien. Moscow 1809.
  • Chemical investigations of mineral, vegetable and animal substances: continuation of the chemical laboratory. Maurer, Berlin 1810-1821.
  • Chemical tables of the plant analyzes or an attempt at a systematic index of the vegetables broken down up to now according to the prevailing closer components. Schrag, Nuremberg 1814 (digitized version)
  • Chemical tables of the animal kingdom: Or a systematic overview of the results of all animalia that have been dissected up to now; with regard to the most important medical facts, which are borrowed from chemistry; some important chemical phenomena in zoochemistry and properties of animal bodies; and the literature. Maurer, Berlin 1814.
  • Natural history of succin, or so-called amber; together with the theory of the formation of all fossil, bituminous inflammables in the organic kingdom and the analyzes of these .
    • Volume 1: Natural history of succin or amber . Cologne 1816 ( full text )
  • Concise dictionary of general chemistry. FA Brockhaus, Leipzig and Altenburg 1817–1819. ( Digitized edition of the University and State Library Düsseldorf )
  • About lime and mortar in general and the difference between shell and limestone mortar in particular: along with the theory of mortar; an award typeface awarded by the Dutch Society of Sciences. Duncker and Humblot, Berlin 1819. (Facsimile, Duncker and Humblot, Munich 1926).
  • Concerning the nutrition of plants in general and the origin of potash and other salts in them in particular: With regard to some important conclusions for pharmacology; One of the royal. Award script awarded by the Dutch Society of Sciences. Rücker, Berlin 1819.
  • The painting of the ancients, from its beginnings to the Christian era: after Pliny with consideration of Vitruvius and other old classics, edited and explained. In addition to theoretical and practical investigation of ancient panel, wall and vase painting, encaustic and the oldest mosaics. Steffen, Berlin 1836.
  • ( Full text )

literature

Web links

Individual evidence

  1. ^ Gustav Hellmann : Repertory of German Meteorology. Wilhelm Engelmann, Leipzig 1883, p. 174 ( Online , PDF , 3 MB).
  2. ↑ Swiss nutritional database: Historisches. Eidgenössische Technische Hochschule Zürich, accessed on August 10, 2010 .
  3. ↑ Peter Enns, Natalie Heussner: Lime, gypsum and cement. ( Memento of the original from February 2, 2014 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. (PDF; 758 kB) p. 18. @1@ 2Template: Webachiv / IABot / en.fh-muenster.de
  4. ^ Klaus Beneke: Louis Pasteur. Infectious Disease Researcher. In: Biographies and scientific résumés of colloid scientists whose life data are related to 1995. Contributions to the history of colloid science. VII, Reinhard Knof, Nehmten 1998, ISBN 3-9804010-9-X , p. 30 ( Online , PDF , 2 MB).
personal data
SURNAME John, Johann Friedrich
BRIEF DESCRIPTION German chemist and pharmacologist
DATE OF BIRTH January 10, 1782
PLACE OF BIRTH Anklam
DATE OF DEATH March 5, 1847
Place of death Berlin