Gourt > Science > Chemistry > Elements > Niobium
Niobium (or columbium) is a chemical element in the periodic table that has the symbol Nb and atomic number 41. A rare, soft, gray, ductile transition metal, niobium is found in niobite and used in alloys. The most notable alloys are used to make special steels and strong welded joints. Niobium was discovered in a variety of columbite (now called niobite) and was at first named after this mineral.
Notable characteristics
Niobium is a shiny gray, ductile metal that takes on a bluish tinge when exposed to air at room temperature for extended periods. Niobium's chemical properties are almost identical to the chemical properties of tantalum, which appears below niobium in the periodic table.
When it is processed at even moderate temperatures niobium must be placed in a protective atmosphere. The metal begins to oxidize in air at 200 ° C; its most common oxidation states are +3, and +5, although others are also known.
More on [ Niobium ]
Transition Metals :: Elements
Metallurgy :: Technology
Just listed in my store: Oil Slicks a niobium chainmaille bracelet http://ow.ly/TbAv
livngoodjewelry (Liv'nGood Jewelry) Wed, 06 Jan 2010 04:59:18 -0000
Just listed in my store: Oil Slicks a niobium chainmaille bracelet http://ow.ly/TbAv
[blog] Sainteté du prêtre et revers de la médaille http://www.niobium.fr/post/2010/01/05/C**-de-saint-pr%C3%AAtre
marcfavreau (marcfavreau) Tue, 05 Jan 2010 12:14:56 -0000
[blog] Sainteté du prêtre et revers de la médaille http://www.niobium.fr/post/2010/01/05/C**-de-saint-pr%C3%AAtre
....double butted Columbus Spirit Niobium Steel....
frankiefiveoh (frankiefiveoh) Tue, 05 Jan 2010 00:49:11 -0000
....double butted Columbus Spirit Niobium Steel....
Come to "January 23rd Metal Night Part 2!!" Saturday, January 23 from 6:00 pm to 12:00 am. Niobium / Defuze /... http://bit.ly/8T8UIn
TheGarageCenter (TheGarageCenter) Mon, 04 Jan 2010 21:30:06 -0000
Come to "January 23rd Metal Night Part 2!!" Saturday, January 23 from 6:00 pm to 12:00 am. Niobium / Defuze /... http://bit.ly/8T8UIn
@Newborn_Swag Actually Niobium is more hypoallergenic than surgical steel...I can't wear surgical steel or hypoallergenic but I can wear it
TheMarciFactor (ICRAM) Sun, 03 Jan 2010 22:27:19 -0000
@Newborn_Swag Actually Niobium is more hypoallergenic than surgical steel...I can't wear surgical steel or hypoallergenic but I can wear it
Purty! RT @BeadedTail: Just listed: Moraccan Sunset - Surreal Jasper and Red Tigers Eye Beaded Niobium Earrings: http://bit.ly/7NDPek
WestofMars (Susan H Gottfried) Sun, 03 Jan 2010 22:05:53 -0000
Purty! RT @BeadedTail: Just listed: Moraccan Sunset - Surreal Jasper and Red Tigers Eye Beaded Niobium Earrings: http://bit.ly/7NDPek
ChemGlobe: Niobium - Electronic, thermal, and steric data along with a table of isotopes.
Meta Description: [ The chemical element [Nb] - Niobium - Datasheet ]
ChemicalElements.com: Niobium - Basic information, atomic structure, and isotopes.
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EnvironmentalChemistry.com: Niobium - Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Niobium - Basic physical and historical information.
Meta Description: [ The Element Niobium - Basic Physical and Historical Information ]
LANL: Niobium - History, sources, properties, and uses.
Lenntech: Niobium - Physical data, chemical properties, and health effects.
Meta Description: [ chemical properties, health and environmental effects of niobium ]
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Niobium - Data tables and historic information.
USGS Minerals Information: Niobium - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
Meta Description: [ Statistics and information on the worldwide supply, demand, and flow of Niobium (Columbium) and Tantalum ]
Visual Elements: Niobium - Image, uses, general information, and ionisation energies.
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WebElements: Niobium - Extensive information on history, uses, occurrence, compounds, and properties of the element.
Meta Description: [ This WebElements periodic table page contains key information for the element niobium ]
Wikipedia: Niobium - Properties of the element, including its history, applications, and characteristics.
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