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Topic: Argon

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	Argon - Wikipedia, the free encyclopedia
		Argon has atomic number 18 and is the third element in group 18 of the periodic table (noble gases).
		Argon is used as an inert gas shield in many forms of welding, including metal inert gas welding and tungsten inert gas welding.
		Argon is used in technical SCUBA diving to inflate the dry suit, because it is inert and has low thermal conductivity.
	en.wikipedia.org /wiki/Argon (939 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		Argon is a chemical element in the periodic table that has the symbol Ar and atomic number 18.
		Argon is 2.5 times as soluble in water as nitrogen which is approximately the same solubility as oxygen.
		Argon is also used in technical SCUBA diving to inflate the drysuit, due to its nonreactive, heat isolating effect.
	www.wikiwhat.com /encyclopedia/a/ar/argon.html (350 words)

	Universal Industrial Gases, Inc...Argon Ar Properties, Uses, Applications
		Argon, along with helium, neon, krypton, xenon and radon, is a member of a special group of gases known as the “rare,” “noble,” or “inert” gases.
		Argon is used as a filler gas in fluorescent and incandescent light bulbs, to exclude oxygen or other reactive gases and to reduce the evaporation rate of the tungsten filament, thereby permitting the use of high filament temperature.
		Argon is used with methane as a filler gas, and as a high purity inert shield gas in the manufacture of silicone and germanium crystals used in the semiconductor industry.
	www.uigi.com /argon.html (788 words)

	Argon (Site not responding. Last check: 2007-10-22)
		Argon is two and one half times as soluable in water as nitrogen, having about bhe same solubility as oxygen.
		Argon is colorless and odorless, both as a gas and liquid.
		Argon is considered to be a very inert gas and is not known to form true chemical compounds, as do kypton, xenon, and radon.
	www.scescape.net /~woods/elements/argon.html (119 words)

	Argon - {Ar} Properties, Purity and Packaging - Argon is one of the most abundant members of the rare gas family which ...
		Argon constitutes 1.3 percent of the atmosphere by weight and 0.94 percent by volume and is found occluded in rocks.
		Argon is isolated on a large scale by the fractional distillation of liquid air.
		Argon gas condenses to a colourless liquid at -185.8° C (-302.4° F) and to a crystalline solid at -189.4°; C (-308.9° F).
	www.c-f-c.com /specgas_products/argon.htm (616 words)

	It's Elemental - The Element Argon
		Argon was discovered by Sir William Ramsay, a Scottish chemist, and Lord Rayleigh, an English chemist, in 1894.
		Argon is obtained from the air as a byproduct of the production of oxygen and nitrogen.
		Argon is also used to form inert atmospheres for arc welding, growing semiconductor crystals and processes that require shielding from other atmospheric gases.
	education.jlab.org /itselemental/ele018.html (100 words)

	Argon (Site not responding. Last check: 2007-10-22)
		Argon, Ar, is a Nobel Gas element, found in Group 0 of the periodic table.
		Argon is present in the atmosphere, and accounts for 0.94% of its composition.
		Argon is a colourless, tasteless, odourless, inert gas.
	www.ucc.ie /ucc/depts/chem/dolchem/html/elem/elem018.html (136 words)

	Lord Rayleigh
		The principle consists in the circulation of the mixture of nitrogen and argon over hot magnesium, the gas being made to pass round and round until the nitrogen is effectively removed from it.
		In the first place, if argon be not in the atmosphere, the original discrepancy of densities which formed the starting-point of the investigation remains unexplained, and the discovery of the new gas has been made upon a false clue.
		To suppose that the density of argon is really 21, and that it appears to be 20 in consequence of nitrogen still mixed with it, would be to suppose a contamination with nitrogen out of all proportion to what is probable.
	web.lemoyne.edu /~giunta/rayleigh.html (5909 words)

	Argon - Memory Alpha
		Argon is a chemical element, number 18 on the periodic table.
		Argon is colorless, odorless and inert, is present to a small extent in many atmospheres, and is obtained as a byproduct from the liquefaction and separation of air.
		Larger quantaties of argon are found in atmospheres of Class L planets such as Indri VIII and Class H planets or moons (TNG: "The Chase", VOY: "Scorpion, Part II")
	memory-alpha.org /en/wiki/Argon (142 words)

	Argon Technologies - Terms of Use
		Argon has not reviewed, does not control, does not endorse, and is not responsible for any of these sites or their content.
		Argon reserves the right to terminate a connection for reasons including but not limited to extended periods for which the connection appears to be idle or connections which have been established for abnormally long periods of time.
		Argon reserves the right to manage existing resources which includes setting limits on the size of your mail box and the length of time email may be stored on the mail server here.
	www.argontech.net /terms.php (4442 words)

	Argon-argon dating - Wikipedia, the free encyclopedia
		Dating relies on the conversion of K to Ar, and accurate measurement of this conversion.
		The sample is heated in increments (step heating) which releases argon from different reservoirs within the crystal grain.
		Ar ratio, and only when 80% or more of these steps are within acceptable error is the crystal's age known.
	en.wikipedia.org /wiki/Argon-argon_dating (532 words)

	Web Hosting Acceptable Use Policy, Argon Hosting.com
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		Argon Hosting subscribers will be held responsible and accountable for any activity by third parties, using their account that violates guidelines created within the Acceptable Use Policy.
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	www.argonhosting.com /acceptable_usage_policy.html (2444 words)

	argon
		Argon is represented by the atomic symbol Ar, has an atomic number of 18, and an atomic weight of 39.948.
		Argon is two and one half times as soluble in water as nitrogen, having about the same solubility as oxygen.
		Argon is considered to be a very inert gas and is not known to form true chemical compounds, as do krypton, xenon, and radon.
	www.webref.org /chemistry/a/argon.htm (268 words)

	The Argument for Argon
		Argon fills are available at many technical facilities, and they are easily done by the diver with a gas transfer whip.
		Argon might be regarded as the start of a positive feedback loop: "I'm using argon, so I must be warm...." Beyond the subjective aspects of argon's insulation, there are the objective numbers in Table I, which for example, shows that argon should improve diver insulation by up to 50% compared to air.
		Argon is both slowly diffusing and has high tissue solubility, so there is little risk of argon counter diffusion in typical technical profiles.
	www.cisatlantic.com /trimix/emaiken/Argon.htm (3043 words)

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	Why Argon?
		On the other hand, argon's conductivity is much less than helium because of argon's greater mass and size --the two gases have the same specific heat.
		Argon (Ar) comes next in order of the massive monatomics and is obviously a reasonable choice, so we'll set it aside for further consideration.
		Argon is both slowly diffusing and has high tissue solubility, so there is little risk of decompression problems resulting from argon counter diffusion in typical technical diving profiles.
	www.decompression.org /maiken/Why_Argon.htm (1892 words)

	Argon Scott Specialty Gases for semiconductor & electronic applications
		Argon (Ar) is a colorless, odorless, nontoxic, nonflammable, nonreactive gas which acts as an asphyxiant by displacing air.
		Argon is commonly used in purging, annealing, sputtering and ion milling applications.
		Argon is also used as an inerting gas in pulling silicon crystals.
	scottsemicon.com /pures/argon.html (72 words)

	Argon (Site not responding. Last check: 2007-10-22)
		Argon is an inert gas used for its blue and green lumination of emission.
		Argonwas found by William Ramsey and Rayleigh in a 1894 experiment in which they removed all of the oxygen and nitrogen from the air.
		The emission spectrum of argon may be demonstrated in general chemistry.
	chemlab.pc.maricopa.edu /periodic/Ar.html (67 words)

	Praxair - Supplier of Argon. (Site not responding. Last check: 2007-10-22)
		Argon (Ar) is a noble gas that comprises 0.93 percent of the earth's atmosphere.
		Colorless, odorless, tasteless and nontoxic, argon forms no known chemical compounds.
		Noncorrosive and non-flammable, argon also exhibits low thermal conductivity and slight solubility in water.
	www.praxair.com /argon (116 words)

	Ashlar-Vellum CAD solid modeling software - 2D, 3D precision product develpment software for Macintosh and Windows
		Argon offers entry-level 3D modeling without the commitment of high-end professional packages.
		For both Macintosh and Windows, Argon lets you model and render with such a straightforward interface that you’ll forget you’re using a computer.
		Work within the power and elegance of the Vellum interface, then export the file to meet the demands of less enlightened CAD users.
	www.ashlar.com /sections/products/argon/argon.html (569 words)

	Periodic Table : Scholar edition: argon : The Essentials
		What follows is a brief description of argon.
		To learn more about the physical properties of argon, select "Physical data" from the menu to the left.
		Argon is very inert and is not known to form true chemical compounds.
	www.webelements.com /webelements/scholar/elements/argon/key.html (127 words)

	Argon Technology
		Argon is a North American based company specializing in developing powerful software that integrates seamlessly with your networking system or product.
		Argon Technology’s PXE Boot Agent® Adopted Within Microsoft Virtual Server 2005 R2 Argon Technology, a world leader in network booting solutions, today announced that Microsoft has adopted Argon Technology’s PXE Boot Agent® into the BIOS of Microsoft Virtual Server 2005 R2, now available.
		Our Managed PC Boot Agent (MBA) is a Client-based firmware that enables client PCs to access and boot from boot images files on a server.
	www.argontechnology.com (298 words)

	Chemistry : Periodic Table : argon : key information
		Here is a brief summary of the isolation of argon.
		Argon is present to a small extent in the atmosphere and is obtained as a byproduct from the liquefaction and separation of air.
		This would not normally be carried out in the laboratory and argon is available commercially in cylinders at high pressure.
	www.webelements.com /webelements/elements/text/Ar/key.html (184 words)

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