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Rediscovery of the Elements: The Rare Earths - The Beginnings
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 article on pages 40-45 of the journal. A description of the photo on the cover of the journal can be found on page 38.
Date:
Autumn 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: The Rare Earths - The Confusing Years
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.
System:
The UNT Digital Library
Rediscovery of the Elements: Daniel Rutherford, Nitrogen, and the Demise of Phlogiston
Article describing Daniel Rutherford's discovery of nitrogen. The article also details the work of other scientists revolving around the discovery of nitrogen.
Date:
Spring 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Sir Humphry Davy and the Alkalis
Article provides information on the history of alkalis, particularly discoveries associated with potassium and sodium. The article also gives information on Humphry Davy, the first person to prepare alkalis in elemental form.
Date:
Summer 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Rhenium and Technetium
Article describing the discovery of rhenium and technetium by Walter Karl Friedrich Noddack and Ida Eva Noddack-Tacke. Information regarding pertinent locations is included.
Date:
Winter 2013
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Cronstedt and Nickel
Article describing Axel Fredrik Cronstedt and his discovery of nickel. Information regarding pertinent locations is included.
Date:
Summer 2014
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Joseph Black. Magnesia and Fixed Air
Article describing Joseph Black and his discovery of magnesia and fixed air. The authors toured Edinburgh, Scotland in search of locations important to Black, providing the reader with maps and historical information regarding the sites.
Date:
Autumn 2014
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: The Noble Gases--Rayleigh and Ramsay
Article describing the discovery of argon, helium, and other inert gases by Lord Rayleigh, Sir William Ramsay, and other collaborators. Ramsay also characterized the noble gases and classified them within the structure of the Periodic Table of Elements.
Date:
Autumn 2012
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Montpellier and Bromine
Article recounting the history of the element Bromine, including its discovery in the salt lagoons of the Montpellier region of France by Antoine-Jérome Balard. Maps of the region and of Balard's birthplace are presented.
Date:
Autumn 2001
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Germanium
Article recounting the history of the element Germanium, including background material on mining in Germany and the isolation of Germanium by Clemens A. Winkler. Tourist information is provided regarding Winkler's laboratory and mines open to the public as museums.
Date:
Summer 2001
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Carl Wilhelm Scheele
Article describing the career and discoveries of Carl Wilhelm Scheele. Tourist information regarding locations important to Scheele's life are visited and discussed.
Date:
Spring 2005
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Thorium
Article recounting the discovery of the element Thorium in Norway by Hans Morten Thrane Esmark. Maps and tourist information regarding the area are provided.
Date:
Winter 2001
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Joseph Priestley
Article describing the career and discoveries of Joseph Priestley. Tourist information regarding locations important to Priestley's life are visited and discussed.
Date:
Summer 2005
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Soddy and Isotopes
Article describing Frederick Soddy's career and research of isotopes. Tourist information is included for areas significant to Soddy's life and work.
Date:
Winter 2010
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Jöns Jakob Berzelius
Article describing the life and career of Jöns Jakob Berzelius. Tourist information regarding locations significant to his history is included.
Date:
Winter 2007
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Yttrium and Johan Gadolin
Article describing the life and career of Johan Gadolin. Tourist information regarding locations significant to his history is included.
Date:
Spring 2008
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Ruthenium
Article describing the discovery of platinum in Russia and the history of ruthenium. Tourist information regarding sites pertinent to this history are included.
Date:
Summer 2009
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: The Curious Case of Vestium
Article describing Jedrzej Sniadecki's career and his flawed findings regarding vestium. Tourist information is included for areas significant to Sniadecki's life and work.
Date:
Summer 2011
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Riddarhyttan, Sweden
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.
System:
The UNT Digital Library
Rediscovery of the Elements: The Undiscovery of Vanadium
Article describing the how the original vanadium sample was misanalysed and identified as chromium. Includes tourist information regarding Paris, France.
Date:
Summer 2004
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Vanadium
Article describing the discovery of Vanadium and tracing the footsteps of the discoverers.
Date:
Winter 2003
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Gallium
Article describing the discovery of the element gallium. The authors travel to sites pertinent to the history of gallium, including the home and laboratory of its discoverer and the location from which it was procured.
Date:
Winter 2002
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Fluorine
Article describing the isolation of elemental fluorine. Tourist information is given regarding locations pertinent to the element's history.
Date:
Autumn 2006
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library
Rediscovery of the Elements: Moseley and Atomic Numbers
Article describing the career of Henry Moseley and his findings regarding atomic numbers. Tourist information is included for areas relevant to Moseley.
Date:
Autumn 2010
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
System:
The UNT Digital Library