The above is a copyrighted picture
reproduced here by permission. © 2007 by
Jochen Wilke.
German armorial information (below) courtesy of Bernhard Peter.
Gules, on a bend Argent an oak branch with
[ 7 leaves and ] 3 acorns Proper.
Crest :
Out of a coronet Or, three ostrich feathers, Vert, Argent and Gules.
De gueules, à la bande d'argent, chargée d'une branche de chêne
fruitée de trois pièces et feuillée de sept pièces,
le tout au naturel.
Casque couronné. [Rietstap]
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Liebig established an analytical technique to determine the carbon and hydrogen content of an organic substance from the carbon dioxide and water vapor it produces by combustion.In 1830, Justus von Liebig discovered mellitic anhydride (a nontrivial oxide of carbon with aromatic properties).
In 1838, he defined acids as compounds containing an hydrogen which can be replaced by a metal.
Wikipedia | Scientific Biography | Chloroform (1832) |