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硝酸铕

硝酸铕
识别
CAS号 10138-01-9(无水)  checkY
10031-53-5(六水)  checkY
PubChem 54604362(无水)
202256(六水)
ChemSpider 23353 (无水), 175150 (六水)
SMILES
 
  • [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.O.[Eu+3]
InChIKey JVYYYCWKSSSCEI-UHFFFAOYSA-N
性质
化学式 Eu(NO3)3
摩尔质量 337.985(无水)
410.049(四水)
446.081(六水) g·mol⁻¹
相关物质
其他阴离子 磷酸铕
砷酸铕
其他阳离子 硝酸钐
硝酸钆
相关化学品 硫酸铕
氧化铕
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。
左:日光灯下的硝酸铕(III)晶体。右:紫外灯下的硝酸铕(III)晶体。

硝酸铕是一种无机化合物,化学式为Eu(NO3)3

制备

硝酸铕可以将氧化铕氢氧化铕碳酸铕溶于硝酸得到:[1]

Eu2O3 + 6 HNO3 → 2 Eu(NO3)3 + 3 H2O
Eu(OH)3 + 3 HNO3 → Eu(NO3)3 + 3 H2O

所得溶液经过小心蒸发可以得到水合硝酸铕,其中六水合物最常见。

化学性质

水合硝酸铕受热分解,产生EuONO3,继续加热得到氧化铕

参考资料

  1. ^ 《无机化学丛书》.第七卷 钪 稀土元素. P233. 11.硝酸盐及其复盐
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硝酸铕
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