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Appelez-nous +86 -755-25432352
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Envoyez-nous un email info@urbanmines.com
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Come & visit us No. 11, Bld. C, Hengmingzhu Tech. Industrial Park, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China
Appelez-nous +86 -755-25432352
Envoyez-nous un email info@urbanmines.com
Come & visit us No. 11, Bld. C, Hengmingzhu Tech. Industrial Park, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China
Specification
| Code | CF-3.5N | CF-4.0N |
| TREO% | ≥86 | ≥86 |
Cerium purity and relative rare earth impurities
| CeO₂/TREO % | ≥99.95 | ≥99.99 |
| La₂O₃/TREO % | <0.02 | <0.004 |
| 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 impurities
| Ca % | <0.02 | <0.02 |
| Fe % | <0.02 | <0.01 |
| Na % | <0.01 | <0.005 |
| K % | <0.01 | <0.005 |
| Pb % | <0.01 | <0.005 |
| AI % | <0.02 | <0.02 |
| SO2 % | <0.05 | <0.04 |
| F- % | ≥27.0 | ≥27.0 |
| LOI% | <0.8 | <0.8 |
Description
White powder,insoluble in water,solublein perchloric acid,and somewhat hygroscopic.
Uses
Used to optimize glass optics and make optical films in optics,for semiconductor doping and e-ceramics in electronics,to assist cerium extraction in metallurgy and in fluorescent materials.
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