Catalytic converter
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A catalytic converter is an exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox
A three-way catalytic converter on a gasoline-powered 1996 Dodge Ram
Simulation of flow inside a catalytic converter
Cutaway of a metal-core converter
Ceramic-core converter
Platinum
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Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanis
Catalytic converter
…at the end of the 19th century, when only a few thousand "oil cars" were on the roads; these prototypes had inert clay-based materials coated with platinum, rhodium, and palladium and sealed into a double metallic cylinder. A few decades later, a catalytic converter was patented by Eugene Houdry, a French…
Platinum crystals
Platinum being dissolved in hot aqua regia
A native platinum nugget, Kondyor mine, Khabarovsk Krai
Platinum-palladium ore, Stillwater mine, Beartooth Mountains, Montana, US