High Purity Holmium Oxide Ho2O3 CAS 12055-62-8, 99.9%

Holmium oxide, which is made up of the rare element holmium as well as the oxygen element, is an organic compound. It is also known by the name dysprosium dioxide. This is one the most powerful paramagnetic substances. The chemical formula for holmium dioxide is Ho2O3. Purity: 99.9% Particle Size: -100mesh Holmium Oxide Ho2O3 Pulver: Chemical formula of Holmium dioxide is Ho2O3. Also known as holmium triooxide or holmium oxide, holmium oxide chemical formula is Ho2O3. Holmiumoxide can be found in the mineral erbium. Holmium oxide, in its original state, often mixes with trivalent oxides of the lanthanide elements. Special methods are needed to remove it. It is possible to create a special colored glass using holmium dioxide. A series of sharp peaks can be seen in the visible absorption spectrum of glass or solutions containing holmium dioxide. They have been historically used as calibration standards for spectrometers. What is so special about holmium dioxide? Holmium dioxide is one of many colorants that are used to make cubic zirconia or glass. This gives it a yellow-red hue. Perchloric acid is used to make glass that contains holmium oxide or holmium-oxide solutions. These glasses have sharp optical absorption spikes in the range 200-900 nm. For special colored glasses, holmium dioxide is used. Both holmiumoxide glass and holmiumoxide solution exhibit sharp optical absorption spikes in the visible spectrum. These peaks have long been used as an optical calibration standard by optical spectrophotometers. There are many color effects that Holmium Oxide can produce depending on how it is lit. It’s a yellowish-tanned color during daylight. Trichromatic colors show a bright reddish orange color. It almost looks the same as erbium oxide in similar lighting conditions. This can be explained by the high emission band for the phosphor. Because Holmium dioxide has a bandgap value of 5.3eV, it is recommended that the material be in colorless. A large number of Lattice defects, such as oxygen vacancies, are responsible for the yellow color. These lattice defects can also be associated with internal Ho3+ ions.

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Holmium Oxide Ho2O3 Pulp Performance – Also known as holmium triooxide or holmium trioxide (chemical formula Ho2O3), holmium oxalate, is a mixture of rare earth elements holmium & oxygen. It is also called dysprosium oxy, which is one the most powerful paramagnetic compounds. The component of erbium dioxide minerals, holmiumoxide is also made up of holmium. It is possible to distinguish holmium dioxide from trivalent oxides of the lanthanides in their natural state. You can make special colored glass with holmium dioxide. Because of its sharp peak appearance, the visible absorption spectrum for glass and solutions containing Holmium Oxide has been used traditionally as a reference point in spectrometer calibration.

Technical Parameters of Holmium Oxide Ho2O3 powder :

Product Code 001 002 003 004 99.999% 99.99% 99.9% 99% CHEMICAL COOSITION

Ho2O3 /TREO (% min. )

99.999 99.99 99.9 99

TREO (% min. )

99 99 99 99

Loss On Ignition (% max. )

0.5 0.5 1 1 Rare Earth Impurities ppm maximum ppm maximum % max. % max.

Tb4O7/TREO Dy2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO Y2O3/TREO 1 5 5 1 1 1 1 10 20 50 10 10 10 10 0.01 0.03 0.05 0.005 0.005  0.005 0.01 0.1 0.3 0.3 0.1 0.01 0.01 0.05

Non Rare Earth Impurities maximum ppm Max. ppm % max. % max.

Fe2O3 SiO2 CaO Cl- CoO NiO CuO 2 10 30 50 1 1 1 5 100 50 50 5 5 5 0.001 0.005 0.01 0.03 0.005 0.02 0.02 0.05

How is Holmium O3 Ho2O3 Powder Created? You can simplify the typical extraction of holmium dioxide by simply crushing and grinding your mineral mix. Due to its magnetic properties, Monazite may be separated through repeated electromagnetic separation. Ion exchange is the most efficient method of separating rare earth holmium dioxide from holmium oxide. Rare-earth ions can be adsorbed to suitable ion interchange resins by exchanging copper ions, ammonium or hydrogen ions. Next, the rare-earthions can be selectively removed using a suitable complexing agent such as nitrogen triacetate and ammonium citrate. Holmium O3 Powder HTML3_ : Holmium dioxide is one of many colorants that are used to make cubic zirconia or glass. There are two types of holmium-oxide glass: yellow and red. The commercially-available holmium oxide calibration standard is used for optical spectrophotometers. What is the purpose of holmium oxide in UV calibration? Since the beginning, holmium was used as a wavelength reference. Now we’ve made it more versatile by making a UV quartz cells that are sealed and filled. It can now be used in ultraviolet spectra. Holmium exhibits sharp, steady peaks in the wavelength range from 219 to 651nm. The air blank used for measuring Holmium. As with most rare earth oxide oxides of holmium, it is also used in specialty catalysts, phosphors, and laser materials. The use of holmium dioxide can make dysprosium hollium lamps. You also have the option to add yttrium to ytrium aluminiu garnet or to make metal-holmium. Lasers made of Holmium emit a wavelength approximately 2.08 microns. This laser is non-injury to the eye, and it is widely used in medicine and lidar as well wind speed and atmospheric measurement. The colorants of Soviet diamonds, glass, and holmium dioxide can include holmiumoxid. The spectrum has sharp absorption peak from 200 to 910nm for both holmium glass and holmium-oxide solution (often perchloric acids solutions). They have been commercialized and used as standards for calibration of spectrometers. The special catalyst, phosphor, and laser material for Holmium is also called Holmium Oxide. Holmium laser can emit pulsed light or continuous light and has a wavelength approximately 2.08 meters. Lasers are safe to use in medicine, eye care, lidar, wind speed measurement, atmospheric monitoring, and other areas. Packing & Shipping Holmium Oxide, Ho2O3 Pulp : You can choose from many kinds of packing depending on your Holmium Oxide Ho2O3 Pulver quantity. Holmium Oxide Ho2O3 Pulver packing: vacuum Packing, 100g to 500g or 1kg/bag 25kg/barrel. Or as you request. Shipping Holmium Oxide Ho2O3 Pulp: Holy Oxide Ho2O3 can be shipped by sea, air or express, once the payment has been received.

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Holmium Oxide Ho2O3 Powder Properties

Holmia, Holmium(III) oxide, Holmium(+3) trioxide 12055-62-8 Compound Formula Ho2O3

Molecular Weight

377.86 Appearance Light yellow powder Melting Point 2415 °C (4379 °F) Solubility water N/A Density 3.79 g/cm3 Purity 99.90% -100mesh Boling points 3900 °C (7052 °F) Specific Heating N/A Heating Conductivity N/A Thermal Expansion N/A Young’s Module N/A Exact 377.845 g/mo Monoisotopic Weight 377.845344 D

Holmium O3 Ho2O3 Powder Health & Safety

Safety Alert N/A Hazard Statements N/A Flashing points N/A Hazard Codes N/A Risk Codes N/A Security Statements N/A RTECS # N/A Transport Information NONH all transport methods 3

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