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Lanthanum Oxide

Lanthanum oxide (La2O3) is indeed an inorganic compound that is a white powder, soluble in acid and ethanol but insoluble in water.
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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.


Brief Description of Lanthanum Oxide


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.


Application


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.


Specification



Lanthanum oxide La203
Purity5N55N4N54N3N2N52N
REO % Min.99999999989799
La2O01REO Min.99.999599.99999.99599.9999.999.599
Rare earth impurities
% Max.
Ce020.000050.00010.00050.0015total
0.1
total
0.5
total
1.0
Pr6O110.000050.00010.00050.0015
Nd2030.000050.00010.00050.001
Sm2030.000050.00010.00050.001
Y2030.000030.00010.0010.001
EU2030.000030.00005total
0.0020
total
0.0040
---
Gd2030.000030.00005
Tb4070.000030.00005
Dy2030.000030.00005
Ho2030.000030.00005
Er2030.000030.0001
Tm2030.000030.00005
Yb2030.000030.00005
Lu2030.000030.00005
Non rare earth impurities
% Max.
Fe2030.00010.00020.00030.00050 .0010.0050.01
Si020.0010.0030.0050.0050.010.050.05
Ca00.00050.0010.0050.0050.010.050.2
CuO0.00010.00020.00020.0005---
NiO0.00010.00020.00020.0005---
PbO0.00020.00050.00150.003--0.005
CF0.0050.010.020.030.030.050.2
Na200.00050.00050.0010.001--0.1
S----0.030.05-
L.01% Max.
1111234


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