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WebElements: Niobium
WebElements: Niobium: Extensive information on history, uses, occurrence, compounds, and properties of the element. (Niobium)
http://www.webelements.com/webelements/elements/text/Nb/key.html |
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EnvironmentalChemistry.com: Niobium
EnvironmentalChemistry.com: Niobium: Atomic structure, chemical and physical properties, and table of nuclides. (Niobium)
http://environmentalchemistry.com/yogi/periodic/Nb.html |
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ChemicalElements.com: Niobium
ChemicalElements.com: Niobium: Basic information, atomic structure, and isotopes. (Niobium)
http://www.chemicalelements.com/elements/nb.html |
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LANL: Niobium
LANL: Niobium: History, sources, properties, and uses. (Niobium)
http://pearl1.lanl.gov/periodic/elements/41.html |
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It's Elemental: Niobium
It's Elemental: Niobium: Basic physical and historical information. (Niobium)
http://education.jlab.org/itselemental/ele041.html |
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ChemGlobe: Niobium
ChemGlobe: Niobium: Electronic, thermal, and steric data along with a table of isotopes. (Niobium)
http://www.vcs.ethz.ch/chemglobe/ptoe/_/41.html |
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Niobium
Niobium: Data tables and historic information. (Niobium)
http://www.scescape.net/~woods/elements/niobium.html |
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Wikipedia: Niobium
Wikipedia: Niobium: Properties of the element, including its history, applications, and charateristics. (Niobium)
http://www.wikipedia.org/wiki/Niobium |
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Visual Elements: Niobium
Visual Elements: Niobium: Image, uses, general information, and ionisation energies. (Niobium)
http://www.chemsoc.org/viselements/pages/niobium.html |
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USGS Minerals Information: Niobium
USGS Minerals Information: Niobium: Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). (Niobium)
http://minerals.usgs.gov/minerals/pubs/commodity/niobium/ |
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Lenntech: Niobium
Lenntech: Niobium: Physical data, chemical properties, and health effects. (Niobium)
http://www.lenntech.com/Periodic-chart-elements/Nb-en.htm |