Term Paper on "Metallic Element Erbium: "
Term Paper 4 pages (1105 words) Sources: 5 Style: MLA
[EXCERPT] . . . .
Metallic Element ErbiumErbium: The Metal and Its Uses
This paper explores the metallic element erbium, which prior to the use of fiber optic communication systems and "Wi Fi" communications received little attention. Considered a rare element, erbium while typically gray in color also contains pink compounds, making it useful as an addition to glass or porcelain products aesthetically. For one to appreciate the real value erbium has to offer one must understand its history, physical properties and availability. The paper begins by a discussion of the history of erbium followed by an overview of its physical properties, uses and functions.
Who Discovered/When
Erbium is one of many elements listed in the periodic table, a metallic chemical element specifically (Columbia 15785). Symbolized by the abbreviation Er, most credit the discovery of this element to a scientist named Carl G. Mosander, who although did not isolate the element, located it and separated it from "three oxide fractions" (Columbia 15785). It was not until 1934 that pure erbium was isolated from it's fractions by other scientists (Columbia 15785) allowing for greater exploration into its uses for commercial purposes.
Physical Properties and Locations
The physical properties of Erbium are as follows: (1) wt. = 167.26; (2) melting point at 1,529 degrees Celsius; (3) boiling point at 2,863 degrees Celsius; and (4) "sp.gr. 9.05" when at 25 degrees Celsius (Columbia, 15785). The element has a valence of +3, and the element itself looks silver in color, giving off a soft and glossy look and appeal. The metallic element is als
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In its purest form erbium is not a stand alone element; rather it contains 6 isotopes (stable) and 10 radioactive ones (Columbia 15785). Within the periodic table of elements scientists categorize or group Er in class IIIb and as a member of the lanthanide series (Columbia 15785). This series of elements are considered "rare" and includes all elements containing atomic numbers "58-71" with erbium ranked at 68 (Columbia, 27273).
Typically erbium is found with other very rare metallic elements, often located in Sweden (Columbia 15785). In its natural state erbium typically is located while bound within "mozanite sand ores" (Wiki 1). Most erbium comes from minerals including euxenite, xenotime and in the last decade or so from clays located within southern China (Wiki 1; Columbia 15785). Many of the countries that now prepare erbium for commercial purposes are in fact, located in China.
Companies Involved in Preparation and Sale
The use of erbium lasers is becoming increasingly popular as many companies utilize this technology to enhance appearance and for skin resurfacing, in part due to the advent of erbium-doped fiber amplifiers, described below. Examples of companies that prepare the compound include Jiangsu Hongyuan Textile Machinery Co. Ltd., located at 11 Liagxi Road, Wuxi Jiangsu Province, China (Alibaba).
Another company not surprisingly located in China includes the Zhejiang Ante Meter Co., Ltd., located in the Ante Industrial Park, Wenxi, Qungtian, and Lishui City, Zhejiang, China (Alibaba).
Other companies including Ciena prepare erbium in-house for commercial purposes including configuration for optical amplifiers, as does Southampton Photonics', forged from the Optoelectronics Research Centre at the Southampton University (Optical Keyhole).
Within Southampton multiple companies exist including Sensor Dynamics and Pirelli that have factories near Eastleigh, U.K. (Optical Keyhole).
Methods of Preparation & Uses
Because… READ MORE
Quoted Instructions for "Metallic Element Erbium: " Assignment:
topics to be included:
-who dicovered erium and when
-physical properties of erbium
-where economic deposits of erbium are located
-companies (name and address) that prepare and sell the element
-methods of preperation
-uses of erbium
-electron configuration and different charge states (valence) of the element with at least one example of ral existing compuond that illustrates each valence state
-commercially important compuonds of the element
How to Reference "Metallic Element Erbium: " Term Paper in a Bibliography
“Metallic Element Erbium: .” A1-TermPaper.com, 2007, https://www.a1-termpaper.com/topics/essay/metallic-element-erbium/3765635. Accessed 18 Jun 2024.
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