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ChemGlobe: Iron
- Electronic, thermal, and steric data along with an isotope table.
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ChemicalElements.com: Iron
- Basic information, atomic structure, and isotopes.
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EnvironmentalChemistry.com: Iron
- Atomic structure, chemical and physical properties, and table of nuclides.
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It's Elemental: Iron
- Basic physical and historical information.
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Lenntech: Iron
- Physical data, chemical properties, health and environmental effects.
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USGS Minerals Information: Iron
- Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
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Visual Elements: Iron
- Image, general and physical information, source, uses, key isotopes, and ionisation energies.
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WebElements: Iron
- Extensive information on history, uses, occurrence, compounds, and properties of the element.
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Wikipedia: Iron
- Properties of the element, including its history, applications, and characteristics.
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Radiochemistry of Iron
- Full text of the monograph by J. M. Nielsen (Hanford Laboratories, Hanford Atomic Products Operation, Richland, Washington).
[PDF] (August 01, 1960)