- ChemSoc – Platinum
- Contains information on the element's sources, uses, isotopes, hazards, and ionization energies.
- National Academy of Sciences – Platinum
- Monograph text by G. W. Leddicotte of Oak Ridge National Laboratory, Oak Ridge, Tennessee pertaining to the element's radiochemistry.
- Web Elements – Platinum
- Displays element’s extensive data on history, applications, abundance, compounds, and properties.
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