Dysprosium Oxide Dy2O3 Powder CAS 1308-87-8

Dysprosium oxide is a chemical substance. The dysprosium oxide chemical formula is Dy2O3. White powder, slightly hygroscopic, can absorb water and carbon dioxide in the air. Magnetism is many times stronger than oxidized high-speed rail. Soluble in acid and ethanol. Mainly used for lighting source.

Dysprosium oxide molecular weight is 373.00, and Dysprosium oxide relative density (D274) is 7.81. The dysprosium oxide melting point is 2340+/-10 ℃. The dysprosium oxide boiling point is 3900 ℃.

The atomic energy industry is used as control rods for nuclear reactors. Magnetic materials. Synthesis of use.

Dysprosium Oxide Dy2O3 is a sesquioxide compound of the rare earth metal dysprosium. It is a pastel yellowish-greenish, slightly hygroscopic powder having specialized uses in ceramics, glass, phosphors, lasers, and dysprosium metal halide lamps. It can react with acids to produce the corresponding dysprosium(III) salts:

Dy2O3 + 6 HCl → 2 DyCl3 + 3 H2O

Dew readily absorbs carbon dioxide when Dysprosium oxide is exposed to air and turns into dysprosium carbonate.

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Performance of Dysprosium Oxide Dy2O3 Powder:

Dysprosium oxide is insoluble in water soluble in acid and ethanol. When exposed to air, dew easily absorbs carbon dioxide and turns into dysprosium carbonate. Mainly used in the atomic energy industry as a control rod for nuclear reactors. Magnetic materials. For synthesis.

Carbonate precipitation method: Carbonate precipitation is one of the main methods for producing dysprosium oxide. The principle of the method is to add a carbonate precipitator to the solution containing Dy2+ so that Dy2+ precipitates out in the form of carbonate and obtains carbonate products after filtration, washing, and drying. Then, the carbonate is dissolved in the acid to obtain a soluble Dy(NO3)3 solution. At last, oxidizing agents such as hydrogen peroxide or sodium chlorate are added to oxidize Dy(III) in the solution to Dy(IV). After crystallization, separation, and drying, dysprosium oxide products are obtained. The advantages of this method are a mature process, simple operation, and low cost, but the purity of the product is low, and it needs to go through multiple steps to get a purer product.

Hydroxide precipitation method: Hydroxide precipitation is another method of producing dysprosium oxide. The principle of the method is to add a hydroxide precipitator to the solution containing Dy2+ so that Dy2+ precipitates out in the form of hydroxide and obtains hydroxide products after filtration, washing, and drying. Then, react hydroxide with hydrochloric or sulfuric acid to obtain soluble Dy(NO3)3 solution. At last, add an oxidizing agent such as hydrogen peroxide or sodium chlorate to oxidize Dy(III) in the solution to Dy(IV). After crystallization, separation, and drying, dysprosium oxide products are obtained. However, the purity of the product is also low, and it needs to go through multiple steps to get a purer product.

Ion exchange method: Ion exchange is an advanced method for producing dysprosium oxide. The principle of the method is to use an ion exchanger and a Dy2+-containing solution for an ion exchange reaction. Dy2+ is exchanged from the solution and then through washing and drying to obtain dysprosium oxide products. DTPA (Diethyltriamine pentaacetic acid) is widely used as an ion exchanger, which has high selectivity and adsorption capacity.

Metal reduction method: Metal reduction is a direct reduction of dysprosium oxide. The principle of this method is to reduce dysprosium oxide into metallic Dy with reducing agents such as metal aluminum and magnesium at high temperatures and then melt it into ingot or powder products. And it needs to go through multiple steps to get a purer product. At the same time, due to the large amount of reducing agent, the product yield is also low.

High-temperature structural materials: Dysprosium oxide has the characteristics of high melting point, high hardness, high thermal conductivity and high corrosion resistance, and can be used as high-temperature structural material in high-temperature environments. For example, dysprosium oxide can be used to make high-temperature containers such as furnace tubes and crucibles in high-temperature furnaces. It can also make high-temperature devices such as high-temperature sensors and high-temperature bearings.

Optical materials: Dysprosium oxide has the characteristics of high refractive index, high light transmittance, and low scattering and can be used to prepare optical materials, such as lenses and prisms. In optics, these properties of dysprosium oxide make it an important optical material widely used in optical instruments, lasers, optoelectronic devices, and other fields.

Electronic Materials: Dysprosium oxide has good electrical conductivity and thermal stability and can be used to prepare electronic materials, such as resistors and capacitors. In these fields, dysprosium oxide's electrical conductivity and thermal stability can meet electronic components' requirements and improve electronic equipment's performance and stability.

Rare earth permanent magnet material: Dysprosium oxide can form rare earth permanent magnet materials with other earth metal elements, such as GdCo5, Gd2Co17, etc. These permanent magnets offer the benefits of high coercivity, high remanence and products with high energy magnetic, which provide important technical support for the fields of motors, generators and sensors. The field is made of permanent magnets made of rare earth materials. The application of dysprosium oxide can improve the efficiency of motors, reduce energy consumption, and improve the sensitivity and accuracy of sensors.

Medical field: Dysprosium oxide is also widely used in the medical field. For example, in magnetic resonance imaging (MRI), dysprosium oxide can be used as one of the components of the contrast agent, using its paramagnetism to improve imaging resolution and contrast. In addition, dysprosium oxide can also be used to prepare drug carriers and targeted therapy, providing new possibilities for the development of medical science and technology.

Luminous material: Dysprosium oxide has the advantages of high brightness, high color temperature, and low attenuation and can be used as a luminous material in display, lighting, and other fields. At the same time, dysprosium oxide can also be combined with other rare earth elements to prepare new luminescent materials with better properties.

Catalyst: Dysprosium oxide can be used as a catalyst in petrochemical, automobile exhaust purification, and other fields, improving catalytic efficiency and selectivity. In these fields, the catalytic action of dysprosium oxide can reduce the activation energy of the reaction, accelerate the rate of chemical reactions, and improve the selectivity of products, resulting in more efficient and environmentally friendly chemical production.

Storage Condition of Dysprosium Oxide Dy2O3 Powder:
Dy2O3 nanoparticles should be stored in dry, cool and sealing of the environment, can not be exposure to air, in addition, should avoid the heavy pressure, according to ordinary goods transportation.

Packing & Shipping of Dysprosium Oxide Dy2O3 Powder:
It is packed in double plastic bags inside, which can be filled with argon in a vacuum; it can be vacuumed and filled with argon for protection.
Dysprosium Oxide Dy2O3 Powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Dysprosium Oxide Dy2O3 Powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.