Search results
Results from the WOW.Com Content Network
In 1843, Carl Gustaf Mosander discovered terbium and erbium as components of yttria. [4]: 38 [2]: 701 [5] [6] [7] However, this discovery was hotly contested.. Spectroscopist Nils Johan Berlin denied that the two elements existed, failing to confirm the existence of "erbia" and suggesting that its name be applie
Erbium is a chemical element; it has symbol Er and atomic number 68. A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. It is a lanthanide, a rare-earth element, originally found in the gadolinite mine in Ytterby, Sweden, which is the source of the element's name.
The Wadsworth Center, originally the New York State's Antitoxin Laboratory, was established in 1901. Its mission was to standardize and manufacture antitoxin, which was for the treatment of communicable diseases such as diphtheria and anthrax. In 1914, the Antitoxin Laboratory was designated the Division of Laboratories and Research.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
Ames, raised in New York City, was a graduate of the Bronx High School of Science. His undergraduate studies were at Cornell University in Ithaca, New York, and his graduate studies were completed at the California Institute of Technology. [4] Ames in 2003. Ames was elected a Fellow of the American Academy of Arts and Sciences in 1970. [5]
Daniel E. Salmon, c. 1903–1905 Daniel Elmer Salmon (July 23, 1850 – August 30, 1914) was an American veterinarian. He earned the first D.V.M. degree awarded in the United States, and spent his career studying animal diseases for the U.S. Department of Agriculture.
In 1938 he became a member of the Department of Forensic Medicine of New York University School of Medicine, rising to the rank of professor by 1968. From the 1930s he co-operated with the office of the Chief Medical Examiner of New York City. Wiener was a good pianist and enjoyed tennis and golf.
Carl Gustaf Mosander, the scientist who discovered terbium, lanthanum and erbium. Swedish chemist Carl Gustaf Mosander discovered terbium in 1843. [45] [46] He detected it as an impurity in yttrium oxide, Y 2 O 3, then known as yttria. Yttrium, erbium, and terbium are all named after the village of Ytterby in Sweden.