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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
Lanthanum Oxide 99.9999% 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. It is also used for electronic industry.
Products available
Product Code: 5790
Standard Specification
Typical Analysis
Inspection Methods
Grade
99.9999%
99.9999%
CHEMICAL COMPOSITION
La2O3/TREO (% min.)
99.9999
99.9999
TREO (% min.)
99.5
99.5
Volumetric Method
Loss on ignition (% max.)
1
1
Rare Earth Impurities
ppm max.
ppm
CeO2 Pr6O11 Nd2O3 Sm2O3 Eu2O3 Gd2O3 Y2O3
0.5 0.5 0.5 0.2 0.2 0.2 0.5
0.3 0.2 0.1 0.1 0.1 0.1 0.2
ICP-Atomic Emission Spectrographic
Non-Rare Earth Impurities
ppm max.
ppm
Fe2O3 SiO2 CaO CoO NiO CuO MnO2 Cr2O3 CdO PbO
1 10 10 2 2 2 2 2 5 5
1 5 5 2 2 2 2 2 5 5
Spectrographic
Atomic Absorption Spectrographic
The standard specifications are only for reference, custom specification manufactures are welcomed.
More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request,
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Erbium Oxide is an important colorant in glasses and porcelain enamel glazes. High purity Erbium Oxide is widely applied as dopant in making optical fibre and amplifier.
Yttrium Metal is widely applied in making speciality alloys, it increases the strengths of alloys of metals such as chromium, aluminium, and magnesium.
Ytterbium Chloride is applied to numerous fiber amplifier and fiber optic technologies. High purity grades are widely applied as a doping agent for garnet crystals in lasers.
