High quality Lanthanum oxide with best price
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- Supplier: Qingdao Sigma Chemical Co. Ltd.
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Product Overview
Description
Product Description
Formula: La2O3
1 CAS No.: 1312-81-8
2 Molecular Weight: 325.82
3 Density: 6.51 g/cm3
4 Melting point: 2315°C
5 Appearance: White powder
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.
1 CAS No.: 1312-81-8
2 Molecular Weight: 325.82
3 Density: 6.51 g/cm3
4 Melting point: 2315°C
5 Appearance: White powder
|
Items |
Grade |
||||||
|
La2O3/REO %min |
99.999 |
99.995 |
99.99 |
99.9 |
99.5 |
99.0 |
|
|
Rare earth impurities REO
|
CeO2 |
0.0002 |
0.0005 |
0.0015 |
0.005
|
0.05
|
0.5
|
|
Pr6O11 |
0.0002 |
0.0005 |
0.0015 |
0.005 |
0.01 |
0.10 |
|
|
Nd2O3 |
0.0002 |
0.0005 |
0.0010 |
0.0010 |
0.01 |
0.1 |
|
|
Sm2O3 |
0.0002 |
0.0005 |
0.0010 |
0.001 |
0.01 |
0.01 |
|
|
Y2O3 |
0.0003 |
0.0010 |
0.0010 |
0.005 |
0.005 |
0.1 |
|
|
Non rare earth impurities |
Fe2O3 |
0.0002 |
0.0003 |
0.0005 |
0.001 |
0.005 |
0.010 |
|
SiO2 |
0.0030 |
0.0050 |
0.0050 |
0.010 |
0.050 |
0.050 |
|
|
CaO |
0.0010 |
0.0050 |
0.0050 |
0.010 |
0.050 |
0.10 |
|
|
CuO |
0.0002 |
0.0002 |
0.0005 |
— |
— |
— |
|
|
NiO |
0.0002 |
0.0002 |
0.0005 |
— |
— |
— |
|
|
PbO |
0.0010 |
0.0020 |
0.0050 |
— |
— |
— |
|
|
Cl— |
0.02 |
0.03 |
0.03 |
0.03 |
0.05 |
0.05 |
|
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.
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Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals
and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
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