Lanthanum Oxide La2O3

Short Description:

Brief information of Lanthanum Oxide: Formula: La2O3 CAS No.: 1312-81-8 Molecular Weight: 325.82 Density: 6.51 g/cm3 Melting point: 2315°C Appearance: White powder Solubility: Insoluble in water, moderately soluble in strong mineral acids Stability: Strongly hygroscopic Multilingual: LanthanOxid, Oxyde De Lanthane, Oxido De Lanthano Application of Lanthanum Oxide : Lanthanum Oxide, also called Lanthana, high purity Lanthanum Oxide (99.99% to 99.999%) is applied in making special o...


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Brief information of Lanthanum Oxide:

Formula: La2O3
CAS No.: 1312-81-8
Molecular Weight: 325.82
Density: 6.51 g/cm3
Melting point: 2315°C
Appearance: White powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Strongly hygroscopic
Multilingual: LanthanOxid, Oxyde De Lanthane, Oxido De Lanthano

Application of Lanthanum Oxide :

Lanthanum Oxide, also called Lanthana, high purity Lanthanum Oxide (99.99% to 99.999%) is applied in making special optical glasses to improves the alkali resistance of glass,  and is 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, Low grade of Lanthanum Oxide is widely used in ceramics and FCC catalyst, and also as raw material for Lanthanum Metal production; Lanthanum Oxide is also used as a grain growth additive during the liquid phase sintering of Silicon Nitride and Zirconium Diboride.

Specification of Lanthanum Oxide:

Product Code 5790 5791 5792 5793 5795 5797
Grade 99.9999% 99.999% 99.995% 99.99% 99.9% 99%
CHEMICAL COMPOSITION            
La2O3/TREO (% min.) 99.9999 99.999 99.995 99.99 99.9 99
TREO (% min.) 99.5 99 99 98 98 98
Loss on ignition (% max.) 1 1 1 2 2 2
Rare Earth Impurities ppm max. ppm max. ppm max. ppm max. % max. % max.
CeO2
Pr6O11
Nd2O3
Sm2O3
Eu2O3
Gd2O3
Y2O3
0.5
0.5
0.5
0.2
0.2
0.2
0.5
3
3
2
2
2
2
5
5
5
5
5
5
5
5
50
50
50
10
10
10
10
0.05
0.02
0.02
0.01
0.001
0.001
0.01
0.5
0.1
0.1
0.1
0.1
0.1
0.1
Non-Rare Earth Impurities ppm max. ppm max. ppm max. ppm max. % max. % max.
Fe2O3
SiO2
CaO
CoO
NiO
CuO
MnO2
Cr2O3
CdO
PbO
1
10
10
2
2
2
2
2
5
5
2
50
50
2
2
2
2
2
5
5
10
50
50
2
2
2
2
3
5
10
50
100
100
5
5
3
5
3
5
50
0.01
0.05
0.2
0.02
0.1
0.5

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