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三氟化铈

三氟化铈
IUPAC名
Cerium(III) fluoride
别名 Cerium trifluoride
识别
CAS号 7758-88-5  ☒N
PubChem 24457
SMILES
 
  • [F-].[Ce+3].[F-].[F-]
性质
化学式 CeF3
摩尔质量 197.12l g·mol⁻¹
密度 6.16 g/cm3(20 °C)
熔点 1460 °C(1733 K)
相关物质
相关化学品 四氟化铈
危险性
GHS危险性符号
《全球化学品统一分类和标签制度》(简称“GHS”)中有害物质的标签图案《全球化学品统一分类和标签制度》(简称“GHS”)中对环境有害物质的标签图案
NFPA 704
0
3
0
 
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

三氟化铈镧系元素的氟化物之一,化学式为CeF3

制备

将可溶性铈(III)盐溶于水,在加热下加入3.2倍(摩尔比)的NH4HCO3,得到碱式碳酸铈,再和40%氢氟酸反应,得到CeF3[1]硝酸铈和氟化钠直接反应,可以得到CeF3[2]在水热反应的条件下,F源也能由氟硼酸盐提供来制备CeF3[3]

参考文献

  1. ^ 张瑞祥, 郝先库, 马显东 等. 一种制备大颗粒、大比表面积氟化铈的方法. CN201010238912.4
  2. ^ 吴志申, 陶小军, 周静芳, 等. CeF3纳米微粒的合成、结构及摩擦学行为研究[J]. 稀土, 2001, 22(5). DOI: 10.3969/j.issn.1004-0277.2001.05.001
  3. ^ 孙元平, 贾佩云, 王芳, 等. 水热条件下稀土氟化物形貌的规律性生长[J]. 中国陶瓷, 2013(6).
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三氟化铈
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