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I jj 'lamH Figure 10. This "Fachwerkhaus"(Ger. = medieval half-timbered building) served as the Chemical Institute since the latter part of the 18th century and recently was transferred to the physics department of the University of Gittingen (N51 31.82 E09 56.19). This is where Stromeyer discovered cadmium and developed the first chemistry laboratory program.
- " y, a r ,y 4zi 'i At.t1 '..._-~.. Figure 12. At the base a] the statue 0f Wohler is the chemical structure of urea inlaid in brick.Wohler stated, "I can make urea without the use of kid neys, or either man or dog." He prepared urea OC(N H922 by heating its inorganic isomer ammonium isocyanate, NH4CNO. Wohler's famous organic lobe ratory waos located immediately to the east (razed in 1977 and replaced by apartment buildings)
Figure 14. These rolling hills are the Tilkerode area (N51 37.26 Eli0 18.34), the historic site of silver and lead mining, and the source c of the thallium discovered by Crookes in 1861. Today the fields are lush with peas and rye ("Erbsen und Roggen"). The"-rode"suffix is common in the Harz, meaning 'forest clearing" in the local dialect.
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1iigure I1. ihe statue of Friedrich iohiler at Wohlerplatz (N510 31.81 E09 56.17) stands next to the old Chemical Institute (see next figure). 11 41er: Selen aus Gripshohnl-SIch1.1ini (der Shwflarfb k 1824 von W hier (iin Stock iolin) da" gestellt .Das Fliisclheti ist von Ber zelius gehIIsen Figure 13. This original sample of selenium in the Museum der Gottinger Chemie (4 Tammannstrasse; N510 33.49 E09 56.90) dates from Wohler's days with Berzelius. The label reads, "Wbhler: selenium from the Gripsholm- sludge (of the sulfuric acid factory) prepared in 1824 by Wohler (in Stockholm). The glass flask was blown by Berzelius." Even though Berzelius gets official credit for the discovery of selenium, it was his postdoc Wohler who did the work.
Quarterly publication of the Alpha Chi Sigma chemistry fraternity containing articles related to chemistry research and the activities of the organization, including local chapters and groups.
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Marshall, James L., 1940- & Marshall, Virginia R.Rediscovery of the Elements: The Harz Mountains and Göttingen,
article,
Spring 2012;
Indianapolis, Indiana.
(https://digital.library.unt.edu/ark:/67531/metadc111269/m1/4/:
accessed April 26, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT College of Arts and Sciences.