Снято с производства (Снято с производства) HL6647 Гидрат карбоната гольмия(III) Ho2(CO3)3 . xH2O порошок (CAS No. 38245-34-0)

Holmium(III) Carbonate Hydrate Powder Description

Holmium(III) Carbonate Hydrate Powder is a rare-earth compound composed of holmium, carbonate ions, and water molecules. This white to off-white crystalline powder is known for its unique magnetic properties and is widely utilized in various advanced industrial and scientific applications. As a hydrated carbonate of holmium, it is typically synthesized through the reaction of holmium salts with carbonate solutions, followed by careful hydration.

Holmium(III) Carbonate Hydrate Powder Applications

·          Used as a precursor for preparing other holmium compounds, such as oxides, fluorides, or nitrates.

·          Applied in the production of specialty glass and ceramics to impart specific optical or magnetic properties.

·          Utilized in research and development involving rare earth materials and their magnetic characteristics.

·          Employed in certain laser materials and phosphors due to holmium's sharp electronic transitions.

·          Sometimes investigated for potential use in nuclear control rods due to holmium’s high neutron absorption cross-section.

·          Can be used in catalysis research involving rare earth carbonate complexes.

Holmium(III) Carbonate Hydrate Powder 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(III) Carbonate Hydrate Powder (Ho2(CO3)3 . xH2O) FAQs

Q1. What is Holmium(III) Carbonate Hydrate Powder used for?

It is mainly used as a precursor for other holmium compounds, in specialty glass and ceramics, research on rare earth materials, and in some laser and magnetic applications.

Q2. What is the typical hydration level (xH₂O) in this compound?

The exact number of water molecules can vary depending on synthesis and storage conditions, but it is typically in the range of 3 to 6 waters of hydration.

Q3. Is it soluble in water or other solvents?

Holmium(III) carbonate is generally insoluble in water but may react with acids to form soluble holmium salts.

Performance Comparison Table with Competitive Products

Related Information

1.       Common Preparation Methods

Holmium(III) Carbonate Hydrate Powder (Ho₂(CO₃)₃ · xH₂O) is typically prepared by a precipitation reaction between a soluble holmium salt and a carbonate source. First, holmium nitrate \[Ho(NO₃)₃] or holmium chloride [HoCl₃] is dissolved in deionized water to form a clear solution. Separately, a solution of sodium carbonate (Na₂CO₃) or ammonium carbonate ((NH₄)₂CO₃) is prepared. The carbonate solution is then slowly added to the holmium solution under continuous stirring at room temperature. A white to pale pink precipitate of holmium(III) carbonate hydrate forms as the two solutions react. This precipitate is filtered, thoroughly washed with deionized water to remove by-products such as sodium or ammonium salts, and then dried at 60–100°C. The resulting powder is a hydrated form of holmium carbonate, with the exact water content depending on drying conditions. The overall reaction when using holmium nitrate and sodium carbonate can be represented as: 2Ho (NO₃)₃ + 3Na₂CO₃ → Ho₂(CO₃)₃↓ + 6NaNO₃.