Description

Holmium(III) Sulfate Hydrate is a high-purity inorganic salt of the rare earth element holmium. This compound is valued for its specific spectroscopic and magnetic properties, making it a critical material in advanced research and high-tech manufacturing. It is primarily utilized in the optical, electronics, and chemical research sectors where precise material characteristics are essential.

Application

• Optical Glass & Laser Crystals: Used as a doping agent to produce specialized glasses and solid-state laser materials with specific light absorption and emission properties.
• Phosphors & Luminescent Materials: Serves as an activator in phosphors for display screens, lighting, and X-ray intensifying screens.
• Chemical Research & Catalysis: Employed as a precursor or catalyst in organic synthesis and materials science research due to its unique Lewis acidity.
• Nuclear Applications: Utilized in control rods and neutron absorption studies because of holmium's high neutron capture cross-section.
• Calibration Standards: Acts as a standard in analytical spectroscopy, including atomic absorption and UV-Vis spectrophotometry.
• Electronic Ceramics: Incorporated into capacitors and other electronic components to modify dielectric properties.

Basic Information

Product Name	Holmium(III) Sulfate Hydrate
CAS No.	15622-40-9
Molecular Formula	Ho2(SO4)3·xH2O
Molecular Weight	Contact for details (hydrate form dependent)
Synonyms	Holmium Sulfate Hydrate; Holmium(3+) Sulfate Hydrate; Holmium Sesquisulfate Hydrate; Disulfuric Acid, Holmium(3+) Salt, Hydrate; Holmium Tri sulfate Hydrate; Holmium Sulfate; Holmium Oxide Sulfate
EINECS	Contact for details

Quality Control

Our Holmium(III) Sulfate Hydrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, assay, and trace metal content are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption and potential caking.

Specification

Item	Specification
Appearance	Yellowish to pale yellow crystals or powder
Identification (IR)	Conforms
Assay (as Ho2(SO4)3)	≥ 99.9% (REO basis)
Purity (Ho/TREO)	≥ 99.99%
Loss on Drying	Contact for details
Chloride (Cl)	≤ 50 ppm
Nitrate (NO3)	≤ 100 ppm
Heavy Metals (as Pb)	≤ 20 ppm
Other Rare Earth Impurities	≤ 100 ppm (total)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.