Name | Er2O3 erbium oxide |
Purity | 99-99.99 % |
Size | 6-8 um |
Application | Additives for magnetic materials and phosphors, raw materials for special luminescent glass. |
Items | Grade | |||||
Er2O3/REO% min. | 99 | 99.5 | 99.9 | 99.95 | 99.99 | |
REO % min. | 99 | 99 | 99 | 99 | 99 | |
Rare earthimpurities
% max. |
Dy2O3 | Total 1.0 | Total 0.5 | Total 0.1 | Total 0.05 | 0.0005 |
HO2O3 | 0.0015 | |||||
Tm2O3 | 0.002 | |||||
Yb2O3 | 0.002 | |||||
Lu2O3 | 0.001 | |||||
Y2O3 | 0.002 | |||||
Other
Rare earth impurities %Max. |
0.001 | |||||
Non rare earth impurities
% max. |
Fe2O3 | 0.005 | 0.002 | 0.001 | 0.001 | 0.0005 |
SiO2 | 0.02 | 0.01 | 0.005 | 0.005 | 0.003 | |
CaO | 0.02 | 0.02 | 0.01 | 0.005 | 0.001 | |
CuO | - | - | - | 0.001 | 0.001 | |
PbO | - | - | - | 0.001 | 0.001 | |
NiO | - | - | - | 0.001 | 0.001 |