LANL: Iridium - History, properties, uses, and sources..
Lenntech: Iridium - Physical data, chemical properties, health and environmental effects..
Visual Elements: Iridium - Image, general and physical information, source, uses, key isotopes, and ionisation energies..
WebElements: Iridium - Extensive information on history, uses, occurrence, compounds, and properties..
Wikipedia: Iridium - Properties of the element, including its history, applications, and characteristics..
Radiochemistry of Iridium - Full text of the monograph by G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF] (October, 1961).
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