二氧化铈

氧化铈/纳米氧化铈
Cerium oxide
 
Cas号 【1306-38-3】  MDL:  --MFCD00010933 
Beilstein   EINECS:  --215-150-4
分子式 CeO2
分子量 172.11
别名 二氧化铈，氧化高铈，二氧化铈
Ceric oxide
Ceric oxide, ceria 
分子结构式 
性状 淡黄色或黄褐色粉末。不溶于水和碱，溶于盐酸和硫酸。
密度：7.3
熔点：2600℃
  
备注:  以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见
质量标准。
质量标准  
  99.95% metals basis，<50 nm particle size (BET):

外观Appearance                          nanopowder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.95% Based on Trace Metals Impurities of ICP
粒径Particle size                       <50 nm (BET)
surface area spec. surface area         30 m2/g (BET)
density                                 7.13 g/mL ， 25 °C
bulk density                            0.53 g/cm3 
痕量金属分析total metallic impurities   ≤500ppm by ICP Atomic emission

99.95% metals basis，<100 nm (BET)
外观Appearance                          nanopowder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.95% Based on Trace Metals
粒径Particle size                       <100 nm (BET)
痕量金属分析total metallic impurities   ≤500ppm by ICP Atomic emission
 
99.99% metals basis:

外观Appearance                          Yellow to Tan powder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
ICP Assay                               Confirms  Cerium  component
灼烧损失loss on ignition typically      <1%
痕量稀土杂质rare earth impurities       ≤200ppm by ICP Atomic emission
 
20nm 球形，99.5%
外观Appearance                          nanopowder
X-射线衍射分析X-Ray Diffraction         Conforms to standard
痕量金属分析total metallic impurities   ≤5000ppm by ICP Atomic emission
纯度Purity                              ≥99.5% Based on Trace Metals
粒径Particle size                       <20 nm (BET)
 
贮存 密封保存。
用途 高效催化剂，精密抛光，化工助剂，电子陶瓷，结构陶瓷，紫外线收剂，电池材料等。 
联合国编号 
Risk：  R22- 
Safety :  S24/25- 
Hazard :  Xn