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Cerium oxide |
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| Formula: | CeO2 | CAS: | 1036-38-3 | ||
| Formula Weight: | 172.115 | EC NO: | 215-150-4 | ||
| Synonyms: | Cerium(IV) Oxide; Cerium oxide; Ceric oxide; Cerium Dioxide | ||||
| Physical Properties: | Pale yellow powder, insoluble in water and acid | ||||
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Specification |
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| Item No. | CO-3.5N |
CO-4N |
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| TREO% |
≥99 |
≥99 |
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Cerium purity and relative rare earth impurities |
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| CeO2/TREO% | ≥99.95 |
≥99.99 |
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| La2O3/TREO% |
<0.02 |
<0.004 |
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| Pr6O11/TREO% | <0.01 |
<0.002 |
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| Nd2O3/TREO% | <0.01 |
<0.002 |
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| Sm2O3/TREO% | <0.005 |
<0.001 |
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| Y2O3/TREO% | <0.005 |
<0.001 |
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Non rare earth impurity |
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Ca % |
<0.01 |
<0.01 |
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Fe % |
<0.005 |
<0.005 |
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Na % |
<0.005 |
<0.005 |
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Pb % |
<0.005 |
<0.005 |
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Al % |
<0.01 |
<0.01 |
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SiO2 % |
<0.02 |
<0.01 |
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Cl- % |
<0.08 |
<0.06 |
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SO42- % |
<0.05 |
<0.03 |
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| Pictogram(s) | |
| Signal word | - |
| Hazard statement(s) | - |
| Precautionary statement(s) | - |
| Prevention | - |
| Response | - |
| Storage | - |
| Disposal | - |
| UN number: | ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods |
| UN proper shipping name: | |
| Transportation secondary hazard class: |
ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods - |
| Packing group: |
ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods |
| Hazard labeling: |
- |
| Marine Pollutants (Yes/No): |
No |
| Special precautions relating to transport or means of transport: | Transport vehicles shall be equipped with fire fighting equipment and leakage emergency treatment equipment of the corresponding variety and quantity.It is strictly prohibited to mix with oxidants and edible chemicals.The exhaust pipes of vehicles carrying the articles must be equipped with fire retarders.There should be a grounding chain when the tank (tank) truck is used for transportation, and a hole partition can be set in the tank to reduce static electricity generated by shock.Do not use mechanical equipment or tools that are prone to spark. It's best to ship in the morning and evening in summer. In transit should prevent exposure to the sun, rain, prevent high temperature. Stay away from tinder, heat source and high temperature area during stopover. Road transport should follow the prescribed route, do not stay in residential and densely populated areas. It is forbidden to slip them in railway transportation. Wooden and cement ships are strictly prohibited for bulk transportation. Hazard signs and announcements shall be posted on the means of transport in accordance with relevant transport requirements. |