Customization: | Available |
---|---|
CAS No.: | 1312-81-8 |
Formula: | La2o3 |
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Lanthanum Oxide Powder La2O3
Appearance: White powder
Formula: La2O3
Formula weight: 325.82
CAS No.: 1312-81-8
EINECS No.: 215-200-5
Density: 6.51g/cm3
Melting point: 2315 °C
Bolting point::4200 °C
Solubleness : soluble in acid, slightly soluble in water, easily to absorb water and CO2 in air
Purity(La2O3 / REO): 5N5(99.9995%)
Lanthanum Oxide is widely used to make metal Lanthanum , La-Ce metal ,precision optical glasses , Ceramics , Catalyzer , Hydrogen storage materials , Luminescent materials , and electric components etc.
Lanthanum Oxide La2O3 |
||||||||
Purity |
5N5 |
5N |
4N5 |
4N |
3N |
2N5 |
2N |
|
REO % Min. |
99 |
99 |
99 |
99 |
99 |
99 |
99 |
|
La2O3 /REO Min. |
99.9995 |
99.999 |
99.995 |
99.99 |
99.9 |
99.5 |
99 |
|
Rare earth impurities |
CeO2 |
0.00005 |
0.0001 |
0.0005 |
0.0015 |
total |
total |
total |
Pr6O11 |
0.00005 |
0.0001 |
0.0005 |
0.0015 |
0.1 |
0.5 |
1 |
|
Nd2O3 |
0.00005 |
0.0001 |
0.0005 |
0.001 |
||||
Sm2O3 |
0.00005 |
0.0001 |
0.0005 |
0.001 |
||||
Y2O3 |
0.00003 |
0.0001 |
0.001 |
0.001 |
||||
Eu2O3 |
0.00003 |
0.00005 |
total |
total |
- |
- |
- |
|
Gd2O3 |
0.00003 |
0.00005 |
0.002 |
0.004 |
||||
Tb4O7 |
0.00003 |
0.00005 |
||||||
Dy2O3 |
0.00003 |
0.00005 |
||||||
Ho2O3 |
0.00003 |
0.00005 |
||||||
Er2O3 |
0.00003 |
0.0001 |
||||||
Tm2O3 |
0.00003 |
0.00005 |
||||||
Yb2O3 |
0.00003 |
0.00005 |
||||||
Lu2O3 |
0.00003 |
0.00005 |
||||||
Non rare earth impurities |
Fe2O3 |
0.0001 |
0.0002 |
0.0003 |
0.0005 |
0.001 |
0.005 |
0.01 |
SiO2 |
0.001 |
0.003 |
0.005 |
0.005 |
0.01 |
0.05 |
0.05 |
|
CaO |
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 |
|
Cl- |
0.005 |
0.01 |
0.02 |
0.03 |
0.03 |
0.05 |
0.2 |
|
Na2O |
0.0005 |
0.0005 |
0.001 |
0.001 |
- |
- |
0.1 |
|
S |
- |
- |
- |
- |
0.03 |
0.05 |
- |
|
L.O.I % Max. |
1 |
1 |
1 |
1 |
2 |
3 |
4 |
Lanthanum Oxide is mainly used to make metal Lanthanum , La-Ce metal ,precision optical glasses , Ceramics , Catalyzer , Hydrogen storage materials , Luminescent materials , optical fibers for electronic industry and electric components etc.
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