Basic Info.
Model NO.
FITECH-Lanthanum Oxide
Formula
La2o3
Purity
99.95-99.999%
Name
Lanthanum Oxide
Usage
Optical Glass
Sample
Availiable
Melting Point
2315ºC
CAS No
1312-81-8
Density
6.51g/cm3
Einecs No
215-200-5
Transport Package
1000kg Bag Packing
Specification
99.95-99.999%
Trademark
FITECH
Origin
China
HS Code
2846901200
Production Capacity
500mts/Year
Product Description
99.95-99.999%min Lanthanum Oxide
CAS:1312-81-8
Formula:La2O3
Molecular Weight:325.82
Density:6.51 g/cm3
Melting Point:2315ºC
Appearance:White powder
Solubility:Insoluble in water,moderately soluble in strong mineral acids 
Formula:La2O3
Molecular Weight:325.82
Density:6.51 g/cm3
Melting Point:2315ºC
Appearance:White powder
Solubility:Insoluble in water,moderately soluble in strong mineral acids
| Code | LC-3N | LC-4N | LC-4.5N |
| TREO% | ≥97 | ≥98 | ≥98 |
| La purity and relative rare earth impurities | |||
| La2O3/TREO % | ≥99.9 | ≥99.99 | ≥99.995 |
| CeO2/TREO % | ≤0.05 | ≤0.007 | ≤0.004 |
| Pr6O11/TREO % | ≤0.01 | ≤0.001 | ≤0.0005 |
| Nd2O3/TREO % | ≤0.01 | ≤0.001 | ≤0.0005 |
| Sm2O3/TREO % | ≤0.01 | ≤0.001 | ≤0.0005 |
| Y2O3/TREO % | ≤0.01 | ≤0.001 | ≤0.0005 |
| Non rare earth impurity | |||
| Fe2O3 % | ≤0.005 | ≤0.003 | ≤0.0003 |
| SiO2 % | ≤0.02 | ≤0.015 | ≤0.005 |
| CaO % | ≤0.05 | ≤0.01 | ≤0.005 |
| Na % | ≤0.005 | ≤0.003 | ≤0.002 |
| MnO2 % | ≤0.003 | ≤0.002 | ≤0.001 |
| AL2O3 % | ≤0.01 | ≤0.007 | ≤0.005 |
| PbO % | ≤0.01 | ≤0.005 | ≤0.003 |
| Cl- % | ≤0.1 | ≤0.06 | ≤0.04 |
| Radioactive | 1Bq/g | ||
| 1000ºC 2hr | ≤ 3.0 | ≤ 2.0 | ≤2.0 |
Applications
1:Lanthanum Oxide, also called Lanthana, high purity Lanthanum Oxide (99.99% to 99.999%)2:Be applied in making special optical glasses to improves the alkali resistance of glass. 3: used in La-Ce-Tb phosphors for fluorescent lamps and making special optical glasses, such as infrared-absorbing glass, as well as camera and telescope lenses. 4:Low grade of Lanthanum Oxide is widely used in ceramics and FCC catalyst, and also as raw material for Lanthanum Metal production.5:Lanthanum Oxide is also used as a grain growth additive during the liquid phase sintering of Silicon Nitride and Zirconium Diboride
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