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Cerium oxide

Cerium oxide, chemical formula CeO2, also known as cerium(IV) oxide, is a kind of rare earth oxide. Cerium oxide is widely used in chemical, electronic, disk, laser, optical and other fields.

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Product nature

  1. Physical properties: Cerium oxide is a white to yellow crystal powder, which is not easy to oxidize and decompose in the air, with a density of 7.2 g/cm3 and a melting point of 2680℃.

  2. Chemical properties: Cerium oxide has excellent reducibility and oxidation, and has an important catalytic role in chemical reactions, which can be used in catalysts, waste gas treatment and other aspects.

  3. Optical properties: Cerium oxide is an excellent transparent material that can absorb ultraviolet light and is widely used in ultraviolet absorber and other fields.

  4. Electrical properties: Cerium oxide has good electrical conductivity and flame retardant properties, is an important electronic material, can be used to make electrolytic capacitors and other electronic components.

  5. Environmental protection materials: Cerium oxide can play a role in purifying the atmosphere and water, and is an important environmental protection material, which is widely used in air purification and other fields.

Scope of application

Cerium oxide is a widely used rare earth oxide with a variety of properties and excellent properties, so it has applications in various fields, and its main applications include:

Polishing materials: Cerium oxide has the advantages of high polishing efficiency, high finish and long service life, etc. It is widely used in the polishing treatment of optical glass industry.

Catalyst: Cerium oxide has excellent reducing capacity and oxidation capacity, so it is widely used in oil refining, chemical industry, automobile exhaust treatment, environmental protection and other industries for catalytic reactions.

Electronic materials: Cerium oxide has good electrical conductivity and flame retardant properties, so it is widely used in electrolytic capacitors, battery diaphragms, flat panel displays, LED and other electronic components.

Optical material: Cerium oxide is an excellent transparent material that can absorb ultraviolet light, so it is used to make ultraviolet absorber.

Coating materials: Due to the high wear resistance and high hardness of cerium oxide, it can be used in coatings, ceramics and other fields to improve the wear resistance and corrosion resistance of materials.

Radiation protection materials: cerium oxide has a good ability to absorb X-rays and block alpha and beta rays, can be used in the production of nuclear radiation protection equipment.

Biomedicine: Cerium oxide can be used to produce artificial smoke, artificial blood, artificial lymph, etc., and has a good catalytic decomposition of biological wastewater.

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