Lanthanum Oxide La2O3,
CAS:1312-81-8.
EINECS NO. 215-200-5.
MOL FORMULA. La2O3.
MOL WT. 325.82
Appearance White powder, hygroscopic
Density 6.51 g/cm3, solid
Melting point 2315 'C (2588 K)
Boiling point 4200 'C (4500 K)
Solubility : Insoluble in water
chemical data sheet:
lanthanum oxide 99.995%.
TREO(total rare earth oxides):99% min.
Rare-earth impurity
La2O3/ TREO 99.995% min.
CeO2/TREO 0.0010% max.
Pr6O11/TREO 0.0005% max.
Nd2O3/TREO 0.0005% max.
Sm2O3/TREO 0.0003% max.
Eu2O3/TREO 0.0003% max.
Y2O3/TREO 0.0003% max.
None rare-earth impurities
Fe2O3 0.0001% max.
SiO2 0.0050% max.
CaO 0.0010% max.
CuO 0.0001% max.
MnO2 0.0001% max.
NiO 0.0002% max.
PbO 0.0002% max.
CoO 0.0001% max.
As2O3 0.0001% max.
Cr2O3 0.0001% max.
L.O.I. (1000'C, 2 hour):1.0% max.
Packing in 50 kgs drums,inner vacuum packing.
