Gadolinium(III) Oxide

Gadolinium(III) Oxide (archaically gadolinia) is an inorganic compound with the formula Gd2 O3, which is the most available form of the pure gadolinium and the oxide form of one of the rare earth metal gadolinium. Gadolinium oxide is also known as gadolinium sesquioxide, gadolinium trioxide and Gadolinia. The color of the gadolinium oxide is white. Gadolinium oxide is odorless, not soluble in water, but soluble in acids.

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Gadolinium(III) Oxide Properties

CAS No. 12064-62-9
Chemical formula Gd2O3
Molar mass 362.50 g/mol
Appearance white odorless powder
Density 7.07 g/cm3 [1]
Melting point 2,420 °C (4,390 °F; 2,690 K)
Solubility in water insoluble
Solubility product (Ksp) 1.8×10−23
Solubility soluble in acid
Magnetic susceptibility (χ) +53,200·10−6 cm3/mol

High Purity Gadolinium(III) Oxide Specification

Particle Size(D50)                       Min. 0.03 μm

Purity((Gd2O3)                       99.99%

TREO(Total Rare Earth Oxides)   99%

RE Impurities Contents ppm Non-REEs Impurities ppm
La2O3 <1 Fe2O3 <2
CeO2 3 SiO2 <20
Pr6O11 5 CaO <10
Nd2O3 3 PbO Nd
Sm2O3 10 CL¯ <50
Eu2O3 10 L.O.I ≦1%
Tb4O7 10
Dy2O3 3
Ho2O3 <1
Er2O3 <1
Tm2O3 <1
Yb2O3 <1
Lu2O3 <1
Y2O3 <1

【Packaging】25KG/bag Requirements:moisture proof,dust-free,dry,ventilate and clean.

What is Gadolinium(III) Oxide used for?

Gadolinium oxide is used in magnetic resonance and fluorescence imaging.

Gadolinium oxide is used as enhancer of the scan clarity in MRI.

Gadolinium oxide is used as contrast agent for MRI(magnetic resonance imaging).

Gadolinium oxide is used in fabrication of the base for high-efficiency luminescent devices.

Gadolinium oxide is used in doping-modification of thermally treated nanocomposites. Gadolinium oxide is used in semi-commercial manufacturing of magneto caloric materials.

Gadolinium oxide is used for making optical glasses, optic and ceramic applications.

Gadolinium oxide is used as burnable poison, in other words, gadolinium oxide is used as part of the fresh fuel in compact reactors to control the neutron flux and the power. 

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