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Test Item | Standard | Results | ||
Ho2O3/TREO | ≥99.999% | >99.999% | ||
Main Component TREO | ≥99% | 99.6% | ||
RE Impurities (ppm/TREO) | ||||
La2O3 | ≤2 | 1.2 | ||
CeO2 | ≤2 | 1.1 | ||
Pr6O11 | ≤1 | 0.3 | ||
Nd2O3 | ≤1 | 0.3 | ||
Sm2O3 | ≤1 | 0.2 | ||
Eu2O3 | ≤1 | 0.1 | ||
Gd2O3 | ≤1 | 0.8 | ||
Tb4O7 | ≤1 | 10.5 | ||
Dy2O3 | ≤1 | 0.6 | ||
Yb2O3 | ≤1 | 0.2 | ||
Tm2O3 | ≤1 | 0.3 | ||
Y2O3 | ≤2 | 0.5 | ||
Lu2O3 | ≤2 | 0.6 | ||
Non—RE Impurities (ppm) | ||||
CaO | ≤10 | 3 | ||
Fe2O3 | ≤10 | 3 | ||
CuO | ≤5 | 2 | ||
SiO2 | ≤10 | 3 | ||
Cl— | ≤20 | 10 | ||
LOI | ≤1% | 0.32% | ||
Conclusion | Comply with above standard Brand: Epoch |