Warning: Use of undefined constant referer - assumed 'referer' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 102

Warning: Use of undefined constant host - assumed 'host' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 105

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 106

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 109
Gold And Its Uses. - Essay

Gold And Its Uses.


Gold's great virtues of malleability, ductility, reflectivity, resistance to corrosion and unparalleled ability as a thermal and electrical conductor mean it is used in a wide variety of industrial applications consuming close to 300 tonnes annually.
Gold (Au, from Latin "Aurum" (World Book Dictionary) is the most non-reactive of all metals -- it is benign in all natural and industrial environments. Gold never reacts with oxygen (one of the most active elements), which means it will not rust or tarnish. Gold is among the most electrically conductive of all metals. Since electricity is basically the flow of charged particles in a current, metals that are conductive allow this current to ...

Want to read the rest of this paper?
Join Essayworld today to view this entire essay
and over 50,000 other term papers

foot sheet.
Gold is the most reflective and least absorptive material of infrared (or heat) energy. High purity gold reflects up to 99% of infrared rays. Gold is also an excellent conductor of thermal energy or heat. Since many electronic processes create heat, gold is necessary to transfer heat away from delicate instruments. Gold alloy is the most tenacious and long-performing material available for protection of these temperatures.
Geologists use the latest technology such as satellite surveys and geochemistry to locate an ore deposit. Computers are used to design the mine, which requires precise and accurate measurement of the ore deposit. Construction begins following the lengthy process of receiving permits. As holes are drilled for blasting, samples of ore are examined to determine grade and metallurgical characteristics. The broken rock is marked by type for efficient processing. Based on its metallurgical makeup, a dispatcher directs truck operators to deliver the ore to ...

Get instant access to over 50,000 essays.
Write better papers. Get better grades.


Already a member? Login

pure gold.
The prime use is in electronics. Our age of high technology finds it indispensable in everything from pocket calculators to computers, washing machines to television and missiles to spacecraft. The rocket engines of American space shuttles are lined with 35% gold brazing alloys to reflect the 3300° heat, and the lunar modules of the Apollo program that put men on the moon were shrouded with gold foil acting as a radiation shield. (World Gold Council) More commonly, the humble touch telephone in your home typically contains 33 gold-plated contacts. The plating of such contacts in switches, relays and connectors is the major application of gold in electronics. Contacts are ...

Succeed in your coursework without stepping into a library.
Get access to a growing library of notes, book reports,
and research papers in 2 minutes or less.


CITE THIS PAGE:

Gold And Its Uses.. (2004, July 28). Retrieved April 25, 2024, from http://www.essayworld.com/essays/Gold-And-Its-Uses/11718
"Gold And Its Uses.." Essayworld.com. Essayworld.com, 28 Jul. 2004. Web. 25 Apr. 2024. <http://www.essayworld.com/essays/Gold-And-Its-Uses/11718>
"Gold And Its Uses.." Essayworld.com. July 28, 2004. Accessed April 25, 2024. http://www.essayworld.com/essays/Gold-And-Its-Uses/11718.
"Gold And Its Uses.." Essayworld.com. July 28, 2004. Accessed April 25, 2024. http://www.essayworld.com/essays/Gold-And-Its-Uses/11718.
JOIN NOW
Join today and get instant access to this and 50,000+ other essays


PAPER DETAILS
Added: 7/28/2004 02:04:29 PM
Category: Science & Nature
Type: Premium Paper
Words: 2573
Pages: 10

Save | Report

SHARE THIS PAPER

SAVED ESSAYS
Save and find your favorite essays easier

SIMILAR ESSAYS
» Gold And Its Uses
» Salt And Its Uses
» Catch 22 And Good As Gold - Sa
» Gold
» International Monetary System
» Neutral Europe and Nazi Germany
» British Control Of The Caribbea...
» Courtly Love, Platonic Love, an...
» The Analysis Of Light And Dark
» Cholera: Virulence, Origin, And...
Copyright | Cancel | Contact Us

Copyright © 2024 Essayworld. All rights reserved