See also:

• Science: Chemistry: Elements: Platinum Metals  (1)
• Science: Chemistry: Elements: Transition Metals  (3)

ChemGlobe: Platinum - - Electronic, thermal, and steric data along with an isotope table.

ChemicalElements.com: Platinum - - Basic information, atomic structure, and isotopes.

EnvironmentalChemistry.com: Platinum - - Atomic structure, chemical and physical properties, and table of nuclides.

It's Elemental: Platinum - - Basic physical and historical information.

LANL: Platinum - - Sources, properties, and uses.

Lenntech: Platinum - - Physical data, chemical properties, health and environmental effects.

Visual Elements: Platinum - - Image, general and physical information, source, uses, key isotopes, and ionisation energies.

WebElements: Platinum - - Extensive information on history, uses, occurrence, compounds, and properties.

Wikipedia: Platinum - - Properties of the element, including its history, applications, and characteristics.

Radiochemistry of Platinum - - Full text of the monograph by G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF] (October, 1961)