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Rhodium Rh
Where is rhodium used--or where does it impact our everyday lives?
The metal of this mother of pearl ring is rhodium. Rhodium jewelry is hypoallergenic. The ring is rhodium plated, only the surface layer is the metal rhodium.
Rhodium is used in catalytic converters in automobiles to reduce environmentally harmful gases by reacting the toxic gases to form less harmful products.
Rhodium is a reduction catalyst: reduction of nitrogen oxides to oxygen and nitrogen
2NO2 --> N2 + 2O2
Rhodium is used in high-temperaure alloys in spark plugs in jet engines.
The Pratt and Whitney jet engine in the image is one from the F-35 on display at the National Air and Space Museum, Steven F. Udvar-Hazy Center, Chantilly, Virginia, USA
WIS Photographer
