Description

Holmium is a lustrous, silvery-white rare earth metal belonging to the lanthanide series, known for its exceptional magnetic properties. This high-purity element is critical for advanced technological applications where precise control over magnetic and optical characteristics is required. It is an essential material for manufacturers and research institutions in the electronics, nuclear, and specialized alloy sectors seeking to enhance product performance and innovation.

Application

• Permanent Magnets: A key component in the production of high-strength neodymium-iron-boron (NdFeB) magnets, where it improves coercivity and thermal stability for use in motors, generators, and wind turbines.
• Nuclear Control Rods: Utilized in nuclear reactors due to its high neutron absorption cross-section, making it effective for controlling fission reactions.
• Solid-State Lasers: Serves as a doping agent in yttrium-aluminum-garnet (YAG) and other crystal lasers, producing specific wavelengths for medical, spectroscopic, and manufacturing applications.
• Specialized Alloys: Added to create alloys with unique magnetic properties for sensors and other precision electronic components.
• Optical Glass & Colorants: Used to impart sharp absorption bands in glass and cubic zirconia for specific optical filters and calibration standards.
• Research & Development: Employed in academic and industrial R&D for catalysis, quantum computing studies, and materials science experiments.

Basic Information

Product Name	Holmium
CAS No.	7440-60-0
Molecular Formula	Ho
Molecular Weight	164.93 g/mol
Synonyms	Holmium metal; Holmium element; Holmium foil; Holmium powder; Holmium ingot; Holmium turnings; Holmium wire; Atomic number 67
EINECS	231-169-0

Quality Control

Our holmium is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical testing, including trace metal analysis by ICP-MS/OES, to meet the exacting requirements of advanced manufacturing and research. Certificates of Analysis (COA) detailing purity, impurity profiles, and physical specifications are available for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its metallic nature and sensitivity to oxidation, it is recommended to store under an inert atmosphere such as argon for long-term preservation, especially in powder or finely divided forms. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Silvery-white metal, foil, ingot, or powder
Assay (Ho basis)	≥ 99.9% (3N), 99.99% (4N), 99.999% (5N)
Identification	Conforms (ICP-OES / XRF)
Trace Rare Earth Impurities	≤ 100 ppm total (by ICP-MS)
Non-Rare Earth Impurities	Specified per grade (e.g., Fe, Ca, Mg, Si)
Oxide Content (Ho₂O₃)	Contact for details
Particle Size (for powder grades)	Customizable (e.g., -100 mesh, -325 mesh)

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