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Gadolinium (III) Oxide
Gadolinium oxide (Gadolinia) is a white powder inorganic chemical compound with the formula Gd2O3. It is used as a raw material in the manufacture of Gadolinium metal, in optical coatings, the glass industry and electronics industry and in many chemical applications. It has a main use in various fluorescent compounds, screen-sensitivity increasing materials, absorption material in atomic reactions, nuclear fuels and magnetic bubble materials.
Forms available: Powder, Tablets, Pieces, Sputter Targets, Granules
Typical Properties and Chemical Specifications:
Formula: Gd2O3
CAS Number: 12064-62-9
Available Purities: 99%, 99.9%, 99.99%
Color: White to off white (beige)
Odor: Odorless
Molecular Weight: 362.50
Crystal Structure: Monoclinic, cubic
Density: 7.407 gm cm3
Melting Point: About 2350oC
Solubility in Water: Insoluble, (soluble in acid)
Gadolinium Oxide easily absorbs moisture and carbon dioxide from the air.
Gd2O3 (REO) > 99.9% pure
RE Impurities Non-RE Impurities
CeO2 48 ppm Al2O3 110 ppm
Dy2O3 39 CaO 80
Er2O3 36 Chlorine 90
Eu2O3 45 Fe2O3 100
Ho2O3 25 MgO 80
La2O3 49 SiO2 90
Lu2O3 33 TiO2 60
Nd2O3 43
Pr6O11 41 Boron 5
Sm2O3 49 Cadmium 25
Tb4O7 48 Calcium & Fluorine 90
Tm2O3 35 Carbon 60
Y2O3 23 Eu+Sm+Tb+Yb+Dy 250
Yb2O3 30 Thorium 28
Grain Size (BET) 1.0 – 3.0 m2/gm LOI ≤ 0.45%
D50 < 10 microns
