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Rare Earth Products > Cerium > Cerium Oxide > Cerium Oxide 99.999%
Cerium Oxide 99.999%
Cerium Oxide 99.999%, code 5891
Formula: CeO2
CAS No.: 1306-38-3
Molecular Weight: 172.12
Density: 7.22 g/cm3
Melting point: 2,400° C
Appearance: Yellow to tan powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly  hygroscopic
Multilingual: Cerium Oxide, Oxyde De Cerium, Oxido De Cerio
Cerium Oxide 99.999% is used in phosphors and dopant to crystal. Ceria is the most widely used compound of Cerium. The main application of Ceria is as a polishing compounds, e.g. Chemical-Mechanical Planarization (CMP). In this application, Ceria Dioxide has replaced other metal Oxides for the production of high quality optical surfaces. And it has specialized use in FCC catalyst and also is the important use in making polishing powder.
Products available
Product Code: 5891 Standard Specification Typical Analysis Inspection Methods
Grade 99.999% 99.999%  
CHEMICAL COMPOSITION
CeO2/TREO (% min.) 99.999 99.999
TREO (% min.) 99 99 Volumetric Method
Loss on ignition (% max.) 1 0.45
Rare Earth Impurities ppm max. ppm
La2O3/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Y2O3/TREO
2
2
2
2
2
1
1
2
1
2
ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities ppm max. ppm
Fe2O3
SiO2
CaO
PbO
Al2O3
NiO
CuO
10
50
30
5
10
5
5
5
50
30
5
10
5
5
Spectrographic

Atomic Absorption Spectrographic
The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at Request for Quotation, you will receive our prompt reply within 24 hours.
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MSDS
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Recommended Products
Praseodymium Oxide is used for color glasses and enamels, as well as important additive of Praseodymium yellow pigments.
Erbium Oxide is an important colorant in glasses and porcelain enamel glazes. High purity Erbium Oxide is widely applied as dopant in making optical fibre and amplifier.
Yttrium Metal is widely applied in making speciality alloys, it increases the strengths of alloys of metals such as chromium, aluminium, and magnesium.
Ytterbium Chloride is applied to numerous fiber amplifier and fiber optic technologies. High purity grades are widely applied as a doping agent for garnet crystals in lasers.
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