China 99.95%Min CEO2 Cerium Oxide Powder Used for Glass and Ceramics Rare Earth, Find details about China Cerium Oxide, Rare Earth Oxide from 99.95%Min CEO2 Cerium Oxide Powder Used for Glass and Ceramics Rare Earth
Code | CeO-3N | CeO-3.5N | CeO-4N |
TREO% | ≥99 | ≥99 | ≥99 |
Cerium purity and relative rare earth impurities | |||
CeO2/TREO % | 99.9 | 99.95 | 99.99 |
La2O3/TREO % | ≤0.08 | ≤0.04 | ≤0.004 |
Pr6O11/TREO % | ≤0.01 | ≤0.01 | ≤0.003 |
Nd2O3/TREO % | ≤0.005 | ≤0.005 | ≤0.001 |
Sm2O3/TREO % | ≤0.004 | ≤0.005 | ≤0.002 |
Y2O3/TREO % | ≤0.0001 | ≤0.001 | ≤0.001 |
Non rare earth impurity | |||
Fe2O3 % | ≤0.005 | ≤0.005 | ≤0.002 |
SiO2 % | ≤0.01 | ≤0.005 | ≤0.003 |
CaO % | ≤0.01 | ≤0.005 | ≤0.003 |
Cl- % | ≤0.06 | ≤0.06 | ≤0.040 |
SO 2 4- % | ≤0.1 | ≤0.05 | ≤0.050 |
Radioactive | 1Bq/g |