Brief introduction
Product name: Holmium
Formula: Ho
CAS No.: 7440-60-0
Molecular Weight: 164.93
Density: 8.795 gm/cc
Melting point: 1474 °C
Appearance: Silvery grey
Shape: Silvery lump pieces, ingots, rod, foil, wire, etc.
Package: 50kg/drum or as you required
Grade | 99.99% | 99.99% | 99.9% | 99% |
CHEMICAL COMPOSITION | ||||
Ho/TREM (% min.) | 99.99 | 99.99 | 99.9 | 99 |
TREM (% min.) | 99.9 | 99.5 | 99 | 99 |
Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Gd/TREM Tb/TREM Dy/TREM Er/TREM Tm/TREM Yb/TREM Lu/TREM Y/TREM |
30 30 10 10 10 10 10 30 |
30 30 10 10 10 10 10 30 |
0.002 0.01 0.05 0.05 0.01 0.01 0.01 0.03 |
0.1 0.1 0.3 0.3 0.1 0.01 0.01 0.05 |
Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Fe Si Ca Al Mg W Ta O C Cl |
200 50 50 50 50 50 50 300 50 50 |
500 100 100 100 50 100 100 500 100 100 |
0.1 0.03 0.05 0.01 0.01 0.05 0.01 0.1 0.01 0.01 |
0.15 0.01 0.05 0.01 0.01 0.05 0.05 0.2 0.03 0.02 |
- Magnetic Materials: Holmium is known for its strong magnetic properties and is valuable in producing high-performance magnetic materials. Holmium magnets are used in a variety of applications, including magnetic refrigeration systems, where they help achieve low temperatures through adiabatic demagnetization. This application is particularly important in cryogenics and energy-saving cooling technology.
- Lasers: Holmium is used in solid-state lasers, specifically holmium-doped yttrium aluminum garnet (Ho:YAG) lasers. These lasers emit light at a wavelength of 2100 nm, which is highly absorbed by water, making them ideal for medical applications such as laser surgery and lithotripsy (breaking up kidney stones). Holmium lasers are also used in industrial applications for cutting and welding materials.
- Nuclear Application: Holmium can be used in nuclear technology because of its neutron absorption properties. Holmium-166 is a radioactive isotope used in certain types of cancer radiation therapy. In addition, holmium can be used in control rods of nuclear reactors to help regulate the fission process and improve the safety and efficiency of nuclear power generation.
- Alloying agent: Holmium is used as an alloying agent for various metals to improve their mechanical properties and corrosion resistance. It is often added to nickel and other rare earth alloys to increase their strength and thermal stability. These holmium-containing alloys are used in aerospace, electronics, and other high-performance applications where reliability is critical.