Formula: Er2O3
Features:Pink powder.
Uses: Optical glass,ceramic materials,laser crystal,fibre-optical.
Product Name | Erbium oxide_2N5 | Erbium oxide_3N | Erbium oxide_4N | ||
Formula | Er2O3 | Er2O3 | Er2O3 | ||
purity | 99.50% | 99.90% | 99.99% | ||
Test items | Unit | rated value | rated value | rated value | |
TREO | % | ≥99 | ≥99 | ≥99 | |
Loss on ignition | % | ≤1 | ≤1 | ≤1 | |
Rare earth impurity contents | La2O3 | μg/g | 5000 | ≤100 | ≤100 |
CeO2 | μg/g | ≤100 | ≤100 | ||
Pr6O11 | μg/g | ≤100 | ≤100 | ||
Nd2O3 | μg/g | ≤100 | ≤100 | ||
Sm2O3 | μg/g | ≤200 | ≤200 | ||
Eu2O3 | μg/g | ≤100 | ≤100 | ||
Gd2O3 | μg/g | ≤100 | 5 | ||
Tb4O7 | μg/g | ≤100 | 5 | ||
Dy2O3 | μg/g | ≤500 | 10 | ||
Ho2O3 | μg/g | ≤300 | 30 | ||
Tm2O3 | μg/g | ≤300 | 20 | ||
Yb2O3 | μg/g | ≤100 | 10 | ||
Lu2O3 | μg/g | ≤100 | 10 | ||
Y2O3 | μg/g | ≤200 | 10 | ||
non-rare-earth impurity contents | Fe2O3 | μg/g | 50 | ≤50 | 10 |
SiO2 | μg/g | 500 | ≤50 | 30 | |
CaO | μg/g | 500 | ≤100 | 10 | |
Cl- | μg/g | ≤300 | 300 | ||
PbO | μg/g | ≤20 | 10 |