CAS 1312-81-8 99.95-99.999% Rare Earth Lanthanum Oxide

Min.Order: 5,000

Product origin: Hefei, Anhui, China

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US$ 1.65 ~ 1.85

Description

99.95-99.999%min Lanthanum Oxide

1. CAS:1312-81-8
2. Formula:La2O3
3. Molecular Weight:325.82
4. Density:6.51 g/cm3
5. Melting Point:2315ºC
6. Appearance:White powder
7. 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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