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It is commonly thought to be named after the Nobel Laureate Eduard Buchner (without umlaut), but it is actually named after the industrial chemist Ernst Büchner. [2] A Büchner funnel fitted with Sintered Disc made of Boro 3.3 Glass. Diagram of filtration set-up using a Büchner flask
The Buchner ring expansion is a two-step organic C-C bond forming reaction used to access 7-membered rings. The first step involves formation of a carbene from ethyl diazoacetate , which cyclopropanates an aromatic ring.
Büchner flask A Büchner funnel is attached to the flask via a black elastomer adapter. The hose barb is connected via vacuum hose to a vacuum source such as an aspirator. ...
A funnel (E) contains a sample of soil or leaf litter (D), and a heat source (F), in this case an electric lamp (G), heats the sample. Animals escaping from the desiccation of the sample descend through a filter (C) into a preservative liquid (A) in a receptacle (B).
Mud tanks play an important role in a solids control system.It is the base of solids control equipment, and also the carrier of drilling fluids.Solids control equipment that are all mounted on the top of mud tanks include the following:
Johann Andreas Buchner (6 April 1783 – 5 June 1852) was a German pharmacologist working in the area of alkaloids. He was the father of pharmacologist Ludwig Andreas Buchner (1813–1897). He was born in Munich and studied at Johann Bartholomäus Trommsdorff 's pharmaceutical institute in Erfurt , obtaining his PhD in 1807.
As Berve was Director of the Commission for Ancient History and Epigraphy (Kommission für Alte Geschichte und Epigraphik, or AEK) in Munich from 1960, Buchner followed him as a research assistant From 1969 until 1979, Buchner was a professor and director of the AEK, which belonged to what is now the DAI, and from 1980 to 1988 the DAI's president.