UNT College of Arts and Sciences - 2,226 Matching Results

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Rediscovery of the Elements: Paracelsus

Description: Article describing the career and discoveries of Phillippus Aureolus Theophrastus Paracelsus Bombastus von Hohenheim. Tourist information regarding locations important to his life are visited and discussed.
Date: Winter 2005
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
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Rediscovery of the Elements: Phosphorus

Description: Article describing the discovery of phosphorus in 1669 by an alchemist searching for the philosopher's stone, and its use a century later by Lavoisier to help usher in the era of modern chemistry. Tourist information regarding sites pertinent to this history are included.
Date: Spring 2013
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
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Rediscovery of the Elements: Riddarhyttan, Sweden

Description: Article describing the authors' tour through Riddarhyttan, Sweden, to visit the areas where cerium and cobalt were discovered. Maps and photographs of pertinent locations are located as well as a history of the area and the elements discovered there.
Date: Spring 2003
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
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Rediscovery of the Elements: Strontium

Description: Article describing the history of the element strontium from its discovery in Strontian, Scotland, to its early uses in English medicine. Maps with directions and photographs of pertinent locations are included.
Date: Autumn 2002
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
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Rediscovery of the Elements: The Rare Earths - The Beginnings

Description: This article explores the rare earths, the chemically similar elements that occupy the f-block of the Periodic Table and the Group III chemical family. The articles shows the locations that certain rare earths were originally found. It also gives details on where the elements can be found currently, as well as major production areas. The cover of the Fall 2015 Hexagon journal (Vol. 106, Issue 3) features the Mountain Pass rare earth ore body in Southern California, which is mentioned in the ar… more
Date: Autumn 2015
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
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Rediscovery of the Elements: The Rare Earths - The Confusing Years

Description: This article gives a timeline of research conducted on the rare earths, 17 elements found in the f-block and Group III chemical family of the Periodic Table. It covers discoveries made after the success of Swedish chemist, Carl Gustaf Mosander. The article describes the categorization of the rare earths that took place after Mosander's time, as well as separation techniques that developed.
Date: Winter 2015
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
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