| Code | CF-3.5N | CF-4N |
| Total amount of rare earth oxides % | ≥83 | ≥83 |
| Cerium purity and relative rare earth impurities | ||
| CeO2/TREO % | ≥99.95 | ≥99.99 |
| La2O3/TREO % | ≤0.03 | ≤0.005 |
| Pr6O11/TREO % | ≤0.01 | ≤0.002 |
| Nd2O3/TREO % | ≤0.01 | ≤0.002 |
| Sm2O3/TREO % | ≤0.005 | ≤0.001 |
| Y2O3/TREO % | ≤0.005 | ≤0.001 |
| Non rare earth impurity | ||
| Ca% | ≤0.02 | ≤0.02 |
| Fe% | ≤0.02 | ≤0.01 |
| Na% | ≤0.02 | ≤0.01 |
| K% | ≤0.01 | ≤0.005 |
| Pb% | ≤0.01 | ≤0.005 |
| Al% | ≤0.02 | ≤0.02 |
| SiO2% | ≤0.05 | ≤0.04 |
| F–% | ≥27 | ≥27 |
| LOI% | ≤0.8 | ≤0.8 |
Cerium Fluoride
- Formula: CeF3
- Nol.wt.: 197.12
- CAS: 7758-88-5
- Appearance: white powder
- Uses: Used to enhance the radiance of arc carbon rod lamps, as an anti reflective coating for glass, an infrared laser optical component coating, a catalyst for ring opening polymerization of original bornene derivatives, and an electrolyte for electrolytic production of cerium metal.
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