Formula:(La, Ce, Tb)xOyMol.Wt:340Specification:
Code LCTO-1 Analytical Method
TREO 　％ ≥99 　
Relative REO(%)
La2O3/TREO 54±1 ICP
CeO2/TREO 26±1 ICP
Tb4O7/TREO 20±1 ICP
Non-RE-impurities(％)
CaO ≤0.005 ICP
Fe2O3 ≤0.001 ICP
PbO ≤0.001 ICP
SiO2 ≤0.01 ICP
Cl- ≤0.005 Chem
MgO ≤0.005 ICP
Medium diameter　d50(powder mass accumulating) 8.5±1μm 　
grain size destribution　D.C ≤0.45 　
speclfic surface area (cm2/g) 4500±500 　
Appearance:Brown powder.Use:La-Ce-Tb oxide is mainly used for making of RE fluoresent phosphors.