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.
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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