Lanthanum oxide is a very effective and selective catalyst

Overview of lanthanum oxide La2O3 powder

Lanthanum oxide is an inorganic compound with a chemical formula of La2O3, which is a white powder. Soluble in acid, ethanol, ammonium chloride, insoluble in water and ketones. The application of rare earth lanthanum oxide is very wide, and the application is very extensive, and it plays an important role in the fields of glass, ceramics, electronics and so on.

Mainly used to manufacture precision optical glass and optical fiber. Also used in the electronics industry as ceramic capacitors, piezoelectric ceramic dopants. It is also used as a raw material for lanthanum boride and a catalyst for petroleum separation and refining.

Lanthanum (III) oxide. Lanthanum oxide is a chemical substance with the chemical formula La2O3. Slightly soluble in water, and generate the corresponding salt. Exposure to the air easily absorbs carbon dioxide and water, and gradually becomes lanthanum carbonate. The combustion of lanthanum oxide with water releases a lot of heat. Mainly used to manufacture precision optical glass and optical fiber. Is La2O3 an ionic compound or a covalent compound? Therefore, La2O3 is more ionic, while Lu2O3 is more covalent. As the size decreases from La to Lu, the stability of the oxygen-containing salt also decreases.

Lanthanum oxide is an odorless white solid, insoluble in water but soluble in dilute acid. According to the pH value of the compound, different crystal structures can be obtained. La2O3 is hygroscopic. In the atmosphere, over time, it will absorb moisture and become lanthanum hydroxide. Lanthanum oxide has p-type semiconductor characteristics with a band gap of approximately 5.8 eV. The average room temperature resistivity is 10kΩ·cm, which decreases with increasing temperature. Among rare earth oxides, La2O3 has the lowest lattice energy and a dielectric constant of 27.

Application of lanthanum oxide La2O3 powder

Lanthanum oxide La2O3 powder application field: mainly used in the manufacture of special alloy precision optical glass, high-refractive optical fiber board, suitable for cameras, cameras, microscope lenses and advanced optical instrument prisms. It is also used in the manufacture of ceramic capacitors, piezoelectric ceramic dopants and X-ray luminescent materials, such as lanthanum bromide powder. It is obtained by extracting lanthanum phosphate ore or burning lanthanum carbonate or lanthanum nitrate. It can also be obtained by thermal decomposition of lanthanum oxalate. Used as a catalyst for many reactions, such as catalyzing the oxidation reaction of carbon monoxide when doped with cadmium oxide, and catalyzing the hydrogenation of carbon monoxide to methane when doped with palladium. Lanthanum oxide impregnated with lithium oxide or zirconium oxide (1%) can be used to make ferrite magnets. It is a very effective selective catalyst for the oxidative coupling of methane to ethane and ethylene. Used to improve the temperature dependence and dielectric properties of barium titanate (BaTiO3) and strontium titanate (SrTiO3) ferroelectrics, and to manufacture fiber optics and optical glass.

Lanthanum oxide is an inorganic compound containing rare earth elements lanthanum and oxygen. It is used in certain ferroelectric materials, as a component of optical materials, as a raw material for certain catalysts and other purposes. Other applications of lanthanum oxide: mainly used in the manufacture of special alloy precision optical glass, high-refractive fiberboard, cameras, cameras, microscope lenses and prisms for advanced optical instruments.

Lanthanum oxide is also used to make ceramic capacitors, piezoelectric ceramic additives and X-ray luminescent materials, such as lanthanum bromide powder.

Lanthanum oxide is used as a catalyst for various reactions, such as the oxidation of carbon monoxide when doped with cadmium oxide and the hydrogenation of carbon monoxide to methane.

Lanthanum oxide impregnated with lithium oxide or zirconium oxide (1%) can be used to make ferrite magnets.

Lanthanum oxide is a very effective and selective catalyst for the oxidative coupling of methane to ethane and ethylene.

Lanthanum oxide is used to improve the temperature dependence and dielectric properties of barium titanate (BaTiO3) and strontium titanate (SrTiO3) ferroelectric materials, and to manufacture optical fiber devices and optical glasses.

Lanthanum oxide La2O3 powder price

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