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The application of rare earth lanthanum oxide is very extensive, and lanthanum oxide can play an important role in fields such as glass, ceramics, electronics, etc.
Material name | Lanthanum oxide |
Formula | La2O3 |
CAS No. | 1312-81-8 |
EINECS NO. | 215-200-5 |
Molecular Weight | 325.82 |
Density | 6.51 g/cm3 |
Melting point | 2315°C |
Bolting point | 4200°C |
Appearance | White powder |
Purity/Specification (La2O3/REO) | 99%-99.999% |
Solubility | low solubility in water, easily soluble in acid , easy to absorb moisture and carbon dioxide in the air. |
Lanthanum oxide has a wide range of applications in various fields including glass, ceramics, and electronics.
In the field of glass production, Lanthanum oxide is used as an additive to enhance the properties of the glass, such as its ability to absorb ultraviolet and infrared radiation. This makes it particularly useful in the manufacturing of optical glasses.
In ceramics, lanthanum oxide is utilized for its excellent thermal and electrical conductivity. These properties make it an important material in the production of ceramic materials that require high performance in terms of heat resistance and electrical conductivity.
In the electronics industry, lanthanum oxide plays a crucial role as a high-k dielectric material. This means it has a high dielectric constant, which makes it suitable for use in electronic devices where high capacitance is required in a small volume.
Additionally, lanthanum oxide is also used as a catalyst in various chemical reactions and as a dopant in phosphors for lighting and display devices. Its versatility and wide range of applications make it a valuable inorganic compound in many technological advancements.
Lanthanum oxide La203 | ||||||||
Purity | 5N5 | 5N | 4N5 | 4N | 3N | 2N5 | 2N | |
REO % Min. | 99 | 99 | 99 | 99 | 98 | 97 | 99 | |
La2O01REO Min. | 99.9995 | 99.999 | 99.995 | 99.99 | 99.9 | 99.5 | 99 | |
Rare earth impurities % Max. | Ce02 | 0.00005 | 0.0001 | 0.0005 | 0.0015 | total 0.1 | total 0.5 | total 1.0 |
Pr6O11 | 0.00005 | 0.0001 | 0.0005 | 0.0015 | ||||
Nd203 | 0.00005 | 0.0001 | 0.0005 | 0.001 | ||||
Sm203 | 0.00005 | 0.0001 | 0.0005 | 0.001 | ||||
Y203 | 0.00003 | 0.0001 | 0.001 | 0.001 | ||||
EU203 | 0.00003 | 0.00005 | total 0.0020 | total 0.0040 | - | - | - | |
Gd203 | 0.00003 | 0.00005 | ||||||
Tb407 | 0.00003 | 0.00005 | ||||||
Dy203 | 0.00003 | 0.00005 | ||||||
Ho203 | 0.00003 | 0.00005 | ||||||
Er203 | 0.00003 | 0.0001 | ||||||
Tm203 | 0.00003 | 0.00005 | ||||||
Yb203 | 0.00003 | 0.00005 | ||||||
Lu203 | 0.00003 | 0.00005 | ||||||
Non rare earth impurities % Max. | Fe203 | 0.0001 | 0.0002 | 0.0003 | 0.0005 | 0 .001 | 0.005 | 0.01 |
Si02 | 0.001 | 0.003 | 0.005 | 0.005 | 0.01 | 0.05 | 0.05 | |
Ca0 | 0.0005 | 0.001 | 0.005 | 0.005 | 0.01 | 0.05 | 0.2 | |
CuO | 0.0001 | 0.0002 | 0.0002 | 0.0005 | - | - | - | |
NiO | 0.0001 | 0.0002 | 0.0002 | 0.0005 | - | - | - | |
PbO | 0.0002 | 0.0005 | 0.0015 | 0.003 | - | - | 0.005 | |
CF | 0.005 | 0.01 | 0.02 | 0.03 | 0.03 | 0.05 | 0.2 | |
Na20 | 0.0005 | 0.0005 | 0.001 | 0.001 | - | - | 0.1 | |
S | - | - | - | - | 0.03 | 0.05 | - | |
L.01% Max. | 1 | 1 | 1 | 1 | 2 | 3 | 4 |
The application of rare earth lanthanum oxide is very extensive, and lanthanum oxide can play an important role in fields such as glass, ceramics, electronics, etc.
Material name | Lanthanum oxide |
Formula | La2O3 |
CAS No. | 1312-81-8 |
EINECS NO. | 215-200-5 |
Molecular Weight | 325.82 |
Density | 6.51 g/cm3 |
Melting point | 2315°C |
Bolting point | 4200°C |
Appearance | White powder |
Purity/Specification (La2O3/REO) | 99%-99.999% |
Solubility | low solubility in water, easily soluble in acid , easy to absorb moisture and carbon dioxide in the air. |
Lanthanum oxide has a wide range of applications in various fields including glass, ceramics, and electronics.
In the field of glass production, Lanthanum oxide is used as an additive to enhance the properties of the glass, such as its ability to absorb ultraviolet and infrared radiation. This makes it particularly useful in the manufacturing of optical glasses.
In ceramics, lanthanum oxide is utilized for its excellent thermal and electrical conductivity. These properties make it an important material in the production of ceramic materials that require high performance in terms of heat resistance and electrical conductivity.
In the electronics industry, lanthanum oxide plays a crucial role as a high-k dielectric material. This means it has a high dielectric constant, which makes it suitable for use in electronic devices where high capacitance is required in a small volume.
Additionally, lanthanum oxide is also used as a catalyst in various chemical reactions and as a dopant in phosphors for lighting and display devices. Its versatility and wide range of applications make it a valuable inorganic compound in many technological advancements.
Lanthanum oxide La203 | ||||||||
Purity | 5N5 | 5N | 4N5 | 4N | 3N | 2N5 | 2N | |
REO % Min. | 99 | 99 | 99 | 99 | 98 | 97 | 99 | |
La2O01REO Min. | 99.9995 | 99.999 | 99.995 | 99.99 | 99.9 | 99.5 | 99 | |
Rare earth impurities % Max. | Ce02 | 0.00005 | 0.0001 | 0.0005 | 0.0015 | total 0.1 | total 0.5 | total 1.0 |
Pr6O11 | 0.00005 | 0.0001 | 0.0005 | 0.0015 | ||||
Nd203 | 0.00005 | 0.0001 | 0.0005 | 0.001 | ||||
Sm203 | 0.00005 | 0.0001 | 0.0005 | 0.001 | ||||
Y203 | 0.00003 | 0.0001 | 0.001 | 0.001 | ||||
EU203 | 0.00003 | 0.00005 | total 0.0020 | total 0.0040 | - | - | - | |
Gd203 | 0.00003 | 0.00005 | ||||||
Tb407 | 0.00003 | 0.00005 | ||||||
Dy203 | 0.00003 | 0.00005 | ||||||
Ho203 | 0.00003 | 0.00005 | ||||||
Er203 | 0.00003 | 0.0001 | ||||||
Tm203 | 0.00003 | 0.00005 | ||||||
Yb203 | 0.00003 | 0.00005 | ||||||
Lu203 | 0.00003 | 0.00005 | ||||||
Non rare earth impurities % Max. | Fe203 | 0.0001 | 0.0002 | 0.0003 | 0.0005 | 0 .001 | 0.005 | 0.01 |
Si02 | 0.001 | 0.003 | 0.005 | 0.005 | 0.01 | 0.05 | 0.05 | |
Ca0 | 0.0005 | 0.001 | 0.005 | 0.005 | 0.01 | 0.05 | 0.2 | |
CuO | 0.0001 | 0.0002 | 0.0002 | 0.0005 | - | - | - | |
NiO | 0.0001 | 0.0002 | 0.0002 | 0.0005 | - | - | - | |
PbO | 0.0002 | 0.0005 | 0.0015 | 0.003 | - | - | 0.005 | |
CF | 0.005 | 0.01 | 0.02 | 0.03 | 0.03 | 0.05 | 0.2 | |
Na20 | 0.0005 | 0.0005 | 0.001 | 0.001 | - | - | 0.1 | |
S | - | - | - | - | 0.03 | 0.05 | - | |
L.01% Max. | 1 | 1 | 1 | 1 | 2 | 3 | 4 |