HL6648 Порошок ацетата холмия, CAS номер 312619-49-1

Holmium Acetate Powder (Ho(O2C2H3)3) Description

Holmium Acetate (Ho(O₂C₂H₃)₃) is a rare earth metal salt composed of holmium and acetic acid. It typically appears as a pale pink to off-white crystalline or powdery solid that is hygroscopic, meaning it readily absorbs moisture from the air. The compound is highly soluble in water and polar organic solvents such as ethanol and methanol, allowing it to be easily incorporated into aqueous or solvent-based systems for material synthesis or research applications.

Chemically, holmium acetate is relatively stable under normal conditions, but it should be kept in a dry, airtight container to prevent hydrolysis or degradation due to humidity. When heated, it decomposes to form holmium oxide (Ho₂O₃), releasing acetic acid vapors. This thermal decomposition is often utilized in the production of high-purity holmium oxide for ceramics or optical applications.

Holmium itself exhibits strong paramagnetic properties and sharp optical absorption bands, making its compounds, including holmium acetate, useful in optical coatings, phosphors, lasers, and magnetic materials. In solution, holmium ions form mildly acidic solutions, and the acetate ligand can coordinate in different ways, affecting reactivity and solubility. Its well-defined molecular structure and reactivity make it suitable as a precursor in both academic research and industrial material synthesis.

Holmium Acetate Powder (Ho(O2C2H3)3) Applications

·          Optical Materials: Used as a precursor for holmium-doped materials in laser systems and optical fibers due to holmium’s sharp emission lines, especially in the infrared range.

·          Magnetic Materials: Employed in the production of materials with strong magnetic properties, as holmium has one of the highest magnetic moments of all elements.

·          Ceramics and Glass: Utilized in specialty glass and ceramic formulations to impart color or enhance thermal and optical performance.

·          Chemical Synthesis: Acts as a starting material for producing other holmium compounds, including oxides, fluorides, and phosphates.

·          Catalysis Research: Investigated as a component in catalytic systems where rare earth elements play a role in promoting or stabilizing reactions.

·          Nuclear Technology: Considered in research for control materials in nuclear reactors due to holmium’s high neutron absorption cross-section.

·          Scientific Studies: Used in laboratory settings to study coordination chemistry, spectroscopy, and material science involving lanthanide elements.

Holmium Acetate Powder (Ho(O2C2H3)3) Packaging

Our products are packaged in customized cartons of various sizes based on the material dimensions. Small items are securely packed in PP boxes, while larger items are placed in custom wooden crates. We ensure strict adherence to packaging customization and the use of appropriate cushioning materials to provide optimal protection during transportation.

Packaging: Carton, Wooden Box, or Customized.

Kindly review the packaging details provided for your reference.

Manufacturing Process

1.       Testing Method

(1)    Chemical Composition Analysis - Verified using techniques such as GDMS or XRF to ensure compliance with purity requirements.

(2)    Mechanical Properties Testing - Includes tensile strength, yield strength, and elongation tests to assess material performance.

(3)    Dimensional Inspection - Measures thickness, width, and length to ensure adherence to specified tolerances.

(4)    Surface Quality Inspection - Checks for defects such as scratches, cracks, or inclusions through visual and ultrasonic examination.

(5)    Hardness Testing - Determines material hardness to confirm uniformity and mechanical reliability.

Please refer to the SAM testing procedures for detailed information.

Holmium Acetate Powder (Ho(O2C2H3)3) FAQs

Q1. Is Holmium Acetate stable under normal conditions?

Yes, it is stable at room temperature when kept dry, but it can decompose upon heating, releasing acetic acid and forming holmium oxide.

Q2. How should it be stored?

Store in a cool, dry place in a sealed container to prevent moisture absorption and degradation.

Q3. Can it be used in lasers?

Indirectly, yes. Holmium acetate is used to prepare holmium-doped materials that are key components in laser systems.

Performance Comparison Table with Competitive Products

Related Information

1.       Common Preparation Methods

Holmium acetate is commonly synthesized by reacting holmium oxide (Ho₂O₃) with acetic acid. First, holmium oxide is added gradually to a solution of glacial acetic acid, usually under gentle heating and stirring. As the reaction proceeds, the solid oxide dissolves and reacts with the acid to form holmium acetate in solution. Once all the oxide has reacted and the solution becomes clear, the mixture is concentrated under reduced pressure to remove excess acetic acid and water. Upon cooling, holmium acetate crystallizes out as a pale pink solid. The product can then be filtered, washed with a small amount of cold ethanol to remove impurities, and dried under vacuum or at moderate temperatures to obtain the anhydrous or hydrated powder.