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Specification
| Code | CO-3.5N | CO-4N |
| TREO% | ≥99 | ≥99 |
Cerium purity and relative rare earth impurities
| CeO₂/TREO % | ≥99.95 | ≥99.99 |
| La₂O₃/TREO % | <0.02 | <0.004 |
| Pr₆O/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 impurities
| Ca % | <0.01 | <0.005 |
| Fe % | <0.003 | <0.002 |
| Na % | <0.005 | <0.005 |
| Pb % | <0.005 | <0.003 |
| AI % | <0.005 | <0.003 |
| SiO₂% | <0.02 | <0.01 |
| CI% | <0.08 | <0.06 |
| SO₄2-% | <0.05 | <0.03 |
Description
Light yellow powder,insoluble in water and slightly soluble in acid.
Uses
Mainly used as the glass decolorizing agent and the glass polishing powder.Also used as the raw material in making metal cerium.High purity Cerium dioxide is very important in the applications of rare earth fluorescent materials.
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