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Erbium Oxide Powder, Er2O3, CAS 12061-16-4

HTRE902

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Erbium Oxide (Er2O3) Powder is applied in petroleum and environment protection catalysts, mischmetal, polishing powders, and Rare Earth fertilizers. Heeger Materials (HM) provides high-quality Erbium Oxide (Er2O3) Powder at a competitive price. The purity and particle size can be customized.

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Data sheet

MFEr2O3
MW382.56
Purity99.9999%/99.999%/99.99%/99.9%/99%
CAS12061-16-4
SynonymsErbiumOxid/Oxyde De Erbium/Oxido Del Erbio

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Erbium Oxide (Er2O3) Powder is synthesized from the lanthanide metal erbium, which is a pink, powder with a cubic crystal structure, but transformed to hexagonal form when heated to 1300 ℃. HM stocks a wide variety of rare earth materials for use in electronics, petrochemical, metallurgy, machinery, energy, environmental protection, agriculture, and other fields. We also offer pure metals and compounds for R&D applications.

Erbium Oxide (Er2O3) Powder

  • CAS: 12061-16-4
  • EINECS No.: 235-045-7
  • Chemical formula:Er2O3
  • Specification Model: -100-325 mesh
  • Molar mass: 382.56 g/mol
  • Density: 8.64 g/cm3
  • Melting point: 2344 °C (4251 °F, 2617 K)
  • Boiling point: 3290 °C (5950 °F, 3560 K)
  • Magnetic susceptibility (χ): +73920·10−6 cm3/mol

Erbium Oxide (Er2O3) Powder Specifications

Grade99.9999%99.999%99.99%99.9%99%
CHEMICAL COMPOSITION
Er2O3 /TREO (% min.)99.999999.99999.9999.999
TREO (% min.)99.599999999
Loss On Ignition (% max.)0.50.5111
Rare Earth Impuritiesppm max.ppm max.ppm max.% max.% max.
Tb4O7/TREO
Dy2O3/TREO
Ho2O3/TREO
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO
0.1
0.1
0.2
0.5
0.5
0.5
0.3
2
5
5
2
1
1
1
20
10
30
50
10
10
20
0.01
0.01
0.035
0.03
0.03
0.05
0.1
0.05
0.1
0.3
0.3
0.3
0.1
0.6

Erbium Oxide (Er2O3) Powder Properties

  • Insoluble in water, slightly soluble in inorganic acids.
  • Easily absorbing moisture and carbon dioxide.
  • The properties of optical and electrical vary with particle size.
  • High dielectric constant (10-14) and a large bandgap.

Erbium Oxide (Er2O3) Powder Applications

  • Used for display purposes dispersed in glass or plastic, such as display monitors.
  • Used as the most important rare earth metal in biomedicine. 
  • Used as gate dielectrics in semiconductor devices.
  • Used as a burnable neutron poison for nuclear fuel.
  • Used as an important colorant in glasses and porcelain enamel glazes.
  • Used as a dopant in making optical fiber and amplifiers.

Erbium Oxide (Er2O3) Powder Storage and Packing

Erbium Oxide (Er2O3) Powder should keep sealed and stored in a dry and cool place, avoiding being exposed to air for a long time. The vacuum-sealed packing is 100g/bag, 500g/bag, 1kg/bag, 25kg/drum, or as required.

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