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Platinum - Wikipedia
Platinum | Color, Symbol, Uses, & Facts | Britannica
Platinum (Pt) - What is Platinum, Platinum Uses & Properties
Platinum - Element information, properties and uses | Periodic Table
Platinum - The chemical element, its science, properties, and uses
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Live Platinum Price Charts | Platinum Price Per Ounce | APMEX®
Platinum | History, Uses, Facts, Physical & Chemical Characteristics
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The Properties and Applications of Platinum - ThoughtCo