High Purity 99.999% Holmium Oxide CAS No 12055-62-8

Short Description:

Product:Holmium Oxide

Formula: Ho2O3

CAS No.: 12055-62-8

Appearance: Light yellow powder

Characteristics: Light yellow powder, insoluble in water, soluble in acid.

Purity/Specification: 3N (Ho2O3/REO ≥ 99.9%) -5N (Ho2O3/REO ≥ 99.9999%)

Usage: Mainly used for making holmium iron alloys, metal holmium, magnetic materials, metal halide lamp additives, and additives for controlling thermonuclear reactions of yttrium iron or yttrium aluminum garnet.

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Product Detail

Product Tags

Brief introduction

Product name	Holmium Oxide
Cas	12055-62-8
MF	Ho2O3
Molecular Weight	377.86
Density(g/mL，25℃）	8.16
Melting point	2415ºC
Boling point	3900ºC
Appearance	Light yellow powder
Solubility	Insoluble in water, moderately soluble in strong mineral acids
Stability	Slightly hygroscopic
Multilingual	HolmiumOxid, Oxyde De Holmium, Oxido Del Holmio Hig
Other name	Holmium(III) oxide
EINECS	235-015-3
Hs code	2846901992
Brand	Epoch

Holmium Oxide, also called Holmia, has specialized uses in ceramics, glass, phosphors and metal halide lamp, and dopant to garnet laser. Holmium can absorb fission-bred neutrons, it is also used in nuclear reactors to keep atomic chain reaction from running out of control. Holmium Oxide is one of the colorants used for cubic zirconia and glass, providing yellow or red coloring. It is one of the colorants used for cubic zirconia and glass, providing yellow or red coloring. It is also used in Yttrium-Aluminum-Garnet (YAG) and Yttrium-Lanthanum-Fluoride (YLF) solid-state lasers found in microwave equipment (which are in turn found in a variety of medical and dental settings).

Specification

Product	Holmium Oxide
Cas	12055-62-8
Test Item	Standard	Results
Ho2O3/TREO	≥99.999%	>99.999%
Main Component TREO	≥99%	99.6%
RE Impurities (ppm/TREO)
La2O3	≤2	1.2
CeO2	≤2	1.1
Pr6O11	≤1	0.3
Nd2O3	≤1	0.3
Sm2O3	≤1	0.2
Eu2O3	≤1	0.1
Gd2O3	≤1	0.8
Tb4O7	≤1	10.5
Dy2O3	≤1	0.6
Yb2O3	≤1	0.2
Tm2O3	≤1	0.3
Y2O3	≤2	0.5
Lu2O3	≤2	0.6
Non—RE Impurities (ppm)
CaO	≤10	3
Fe2O3	≤10	3
CuO	≤5	2
SiO2	≤10	3
Cl—	≤20	10
LOI	≤1%	0.32%
Conclusion	Comply with above standard Brand: Epoch

This is only one spec for 99.999% purity, we can also provide 99.9%, 99.99% purity. Holmium oxide with special requirements for impurities can be customized according to customer's requirements.For more info, please click! High purity 99.99% holmium

Application

Holmium oxide (Ho2O3) is a rare earth compound containing the element holmium. Its applications are limited compared to some other rare earth oxides, but it does find use in specific areas:

1.Phosphors:
One of the primary applications of holmium oxide is in the production of phosphors. When holmium oxide is doped with other rare earth elements, it can be used in CRT (cathode-ray tube) displays and fluorescent lamps to produce specific colors of light. Holmium-based phosphors are used to create distinctive red and yellow colors in these applications.

2.Solid-State Lasers:
Holmium-doped lasers are used in medical and scientific applications. Holmium-doped yttrium aluminum garnet (YAG) crystals are used to produce lasers that operate in the infrared region, particularly around 2.1 micrometers. These lasers have applications in:Medical procedures, including urology (for the treatment of kidney stones) and dermatology.
Remote sensing and atmospheric studies.
Scientific research and spectroscopy.

3.Nuclear Control Rods:
In some nuclear reactors, holmium oxide can be used as a neutron-absorbing material in control rods to regulate the fission process and control reactor power.

4.Magnets:
Holmium is sometimes added to certain rare earth magnets, such as neodymium-iron-boron (NdFeB) magnets, to enhance their magnetic properties at low temperatures. This can be important in specialized applications like cryogenic research and medical devices.

5.High-Temperature Materials:
Holmium oxide can be used as an additive in high-temperature materials and ceramics, where its unique properties can contribute to improved performance at elevated temperatures.

Holmium oxide also be used in the production of holmium iron alloys, metal holmium, magnetic materials, metal halide lamp additives, and additives for controlling thermonuclear reactions such as yttrium iron or yttrium aluminum garnet.