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Yttrium Oxide, also known as Yttria, is an excellent mineralizing agent for spinel formation. It is an air-stable, white solid substance. It has a high melting point(2450°C), chemical stability, low coefficient of thermal expansion, high transparency for both visible (70%) and infrared (60%) light, low cut off energy of photons. It is suitable for glass, optic and ceramic applications.
Synonym | Yttrium(III) Oxide |
CAS No. | 1314-36-9 |
Chemical formula | Y2O3 |
Molar mass | 225.81g/mol |
Appearance | White solid. |
Density | 5.010g/cm3, solid |
Melting point | 2,425°C(4,397°F;2,698K) |
Boiling point | 4,300°C(7,770°F;4,570K) |
Solubility in water | Insoluble |
Solubility in alcohol acid | Soluble |
High Purity Yttrium Oxide Specification
Particle Size(D50) | 4.78 μm |
Purity(Y2O3) | ≥99.999% |
TREO (Total Rare Earth Oxides) | 99.41% |
RE Impurities Contents | ppm | Non-REEs Impurities | ppm |
La2O3 | <1 | Fe2O3 | 1.35 |
CeO2 | <1 | SiO2 | 16 |
Pr6O11 | <1 | CaO | 3.95 |
Nd2O3 | <1 | PbO | Nd |
Sm2O3 | <1 | CL¯ | 29.68 |
Eu2O3 | <1 | L.O.I | 0.57% |
Gd2O3 | <1 | ||
Tb4O7 | <1 | ||
Dy2O3 | <1 | ||
Ho2O3 | <1 | ||
Er2O3 | <1 | ||
Tm2O3 | <1 | ||
Yb2O3 | <1 | ||
Lu2O3 | <1 |
【Packaging】25KG/bag Requirements:moisture proof, dust-free, dry, ventilate and clean.
What is Yttrium Oxide used for?
Yttrium Oxide is also used to make yttrium iron garnets, which are very effective microwave filters. It is also a prospective solid-state laser material. Yttrium Oxide is an important starting point for inorganic compounds. For organometallic chemistry it is converted to YCl3 in a reaction with concentrated hydrochloric acid and ammonium chloride. Yttrium oxide was used in the preparation of pervoskite type structure, YAlO3, containing chrome ions.
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