Specifications：
　　
Formula La2O3
Molecular Weight 325.82
Appearance White
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Strongly hygroscopic

Product Code	0111	0113	0115	0117	0119
Grade	99.999%	99.995%	99.99%	99.9%	99%
CHEMICAL COMPOSITION
La2O3/TREO (% min.)	99.999	99.995	99.99	99.9	99
TREO (% min.)	99	99	99	98	98
Loss on ignition (% max.)	1.0	1.0	1.0	2.0	2.0
Rare Earth Impurities	% max.	% max.	% max.	% max.	% max.
CeO2/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Eu2O3/TREO Gd2O3/TREO Y2O3/TREO	0.0002 0.0002 0.0001 0.0001 0.0001 0.0001 0.0003	0.0005 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005	0.005 0.005 0.001 0.001 0.001 0.001 0.005	0.05 0.01 0.01 0.01 0.001 0.001 0.005	0.5 0.1 0.1 0.01 0.01 0.01 0.1
Non-Rare Earth Impurities	% max.	% max.	% max.	% max.	% max.
Fe2O3 SiO2 CaO CoO NiO CuO MnO2 Cr2O3 CdO PbO	0.0001 0.003 0.003 0.0002 0.0002 0.0002 0.0002 0.0002 0.0005 0.0005	0.0002 0.005 0.005 0.0002 0.0002 0.0002 0.0002 0.0003 0.0005 0.001	0.0005 0.01 0.01 0.0005 0.0005 0.0003 0.0005 0.0003 0.0005 0.001	0.005 0.05 0.05	0.01 0.05 0.05

Application：is applied in making special optical glasses, and also in La-Ce-Tb phosphors for fluorescent lamps. Low grade of Lanthanum Oxide is widely used in ceramics and FCC catalyst, and also as raw material for Lanthanum Metal.

Contact Telephone：0086-20-87750576,87629994