Cerium oxide (CeO2cap C e), also known as ceria or cerium(IV) oxide, is a pale yellow-white powder used in many applications due to its unique properties. It is a commercial product used for polishing glass and in ceramics, and it acts as a hydrocarbon catalyst in self-cleaning ovens. Its ability to absorb UV radiation and its antioxidant properties, due to its redox cycling betweenCe3+cap C e raised to the 3 plus power andCe4+cap C e raised to the 4 plus power states, also make it a prospective ingredient in sunscreens and a subject of research for medical applications.
Cerium oxide in Pakistan
Common uses
- Polishing: Used as a polishing agent for glass and as “jeweller’s rouge”
- Catalysis: Acts as a hydrocarbon catalyst in the self-cleaning cycles of ovens
- Ceramics: Used in the production of ceramics
- UV absorption: Used in sunscreens for its high UV absorption and lower photocatalytic activity compared to other compounds like titanium dioxide
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