Description

Holmium Sulfate Octahydrate 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 specialized manufacturing. It is primarily utilized in industries such as optical glass manufacturing, solid-state laser research, and as a dopant in specialized phosphors and ceramics.

Application

• Optical Glass & Fiber Dopant: Used to impart specific spectral absorption characteristics and to create laser-active media in specialty glasses and optical fibers.
• Solid-State Laser Research: Serves as a starting material for holmium-doped YAG (Ho:YAG) and other crystal lasers used in medical and scientific applications.
• Phosphor & Luminescent Material Production: Acts as a dopant to create materials with unique emission properties for display and lighting technologies.
• Specialty Ceramics & Catalysts: Employed in the formulation of advanced ceramics and as a component in specific catalytic processes.
• Chemical Research & Synthesis: Used as a precursor in inorganic synthesis and as a source of holmium ions in various chemical studies.
• Calibration Standards: Utilized in analytical chemistry for preparing calibration standards in spectroscopic analysis.

Basic Information

Product Name	Holmium Sulfate Octahydrate
CAS No.	13473-57-9
Molecular Formula	Ho2(SO4)3·8H2O
Molecular Weight	758.16 g/mol (approx.)
Synonyms	Holmium(III) sulfate octahydrate; Holmium sesquisulfate octahydrate; Disulfuric acid, holmium(3+) salt, octahydrate; Holmium sulfate hydrate; Holmium sulphate octahydrate; Holmium tri-sulfate octahydrate; Rare earth sulfate (holmium)
EINECS	Contact for details

Quality Control

Our Holmium Sulfate Octahydrate is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided and can be tailored to meet specific customer requirements.

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). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	Yellow to yellow-pink crystalline powder
Identification (IR)	Conforms
Assay (as Ho2(SO4)3·8H2O)	≥ 99.9% (Trace Metals Basis)
Purity (REO, relative to Ho2O3)	≥ 44.0%
Loss on Drying	Contact for details
Insoluble Matter	≤ 0.01%
Chloride (Cl)	≤ 0.001%
Nitrate (NO3)	≤ 0.002%
Other Rare Earth Impurities	≤ 0.1% (Total)

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