Cerium Oxide, also known as cerium dioxide, Cerium(IV) Oxide or cerium dioxide, is an oxide of the rare-earth metal cerium. It is a pale yellow-white powder with the chemical formula CeO2. It is an important commercial product and an intermediate in the purification of the element from the ores. The distinctive property of this material is its reversible conversion to a non-stoichiometric oxide.
Cerium Oxide Properties
| CAS No.： | 1306-38-3,12014-56-1(Monohydrate) | ||
| Chemical formula | CeO2 | ||
| Molar mass | 172.115 g/mol | ||
| Appearance | white or pale yellow solid, slightly hygroscopic | ||
| Density | 7.215 g/cm3 | ||
| Melting point | 2,400 °C (4,350 °F; 2,670 K) | ||
| Boiling point | 3,500 °C (6,330 °F; 3,770 K) | ||
| Solubility in water | insoluble | ||
| High Purity Cerium Oxide Specification | |
| Particle Size(D50) | Min. 0.03 μm |
| Purity(（CeO2） | 99.998% |
| TREO(Total Rare Earth Oxides) | 99.58% |
| RE Impurities Contents | ppm | Non-REEs Impurities | ppm |
| La2O3 | 6 | Fe2O3 | 3 |
| Pr6O11 | 7 | SiO2 | 35 |
| Nd2O3 | 1 | CaO | 25 |
| Sm2O3 | 1 | ||
| Eu2O3 | Nd | ||
| Gd2O3 | Nd | ||
| Tb4O7 | Nd | ||
| Dy2O3 | Nd | ||
| Ho2O3 | Nd | ||
| Er2O3 | Nd | ||
| Tm2O3 | Nd | ||
| Yb2O3 | Nd | ||
| Lu2O3 | Nd | ||
| Y2O3 | Nd |
| 【Packaging】25KG/bag Requirements:moisture proof, dust-free, dry, ventilate and clean. |
What is Cerium Oxide used for?
Cerium Oxide is considered to be a lanthanide metal oxide and is used as an ultraviolet absorber, catalyst, polishing agent, gas sensors etc. Cerium oxide-based materials have been used as photocatalyst for degradation of harmful compounds in water and air effluents with some attention also to photothermal catalytic reactions, for selective oxidation reactions, CO2 reduction, and water splitting. For commercial purpose, cerium oxide nano particle/nano powder plays a vital role in cosmetic products, consumer products, instruments and high technology. It has also been used prolifically in various engineering and biological applications, such as solid-oxide ...
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