碘化钷

碘化钷

英文名 Promethium iodide
别名 碘化钷(III)
三碘化钷
识别
CAS号 13818-73-0  checkY
性质
化学式 PmI3
外观 红色固体[1]
熔点 695 °C[1]
相关物质
其他阴离子 三氟化钷
三氯化钷
三溴化钷
其他阳离子 碘化钕
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

三碘化钷是一种无机化合物化学式为PmI3,有放射性。

制备

三碘化钷由无水碘化氢三氯化钷在高温下反应得到:

PmCl3 + 3 HI → PmI3 + 3 HCl[2]

由HI-H2混合物和氧化钷(Pm2O3)的反应只能得到碘氧化钷(PmOI)。氧化钷和熔融的碘化铝在500°C反应生成碘化钷。[3][4]

参考文献

  1. ^ 1.0 1.1 A. F. Holleman, E. Wiberg, N. Wiberg: Lehrbuch der Anorganischen Chemie. 102. Auflage. de Gruyter, Berlin 2007, ISBN 978-3-11-017770-1, S. 1942.
  2. ^ W. R. Wilmarth, G. M. Begun, R. G. Haire, et al. Raman spectra of Pm2O3, PmF3, PmCl3, PmBr3 and PmI3. Journal of Raman Spectroscopy, 2005. 19(4)
  3. ^ Diese Substanz wurde in Bezug auf ihre Gefährlichkeit entweder noch nicht eingestuft oder eine verlässliche und zitierfähige Quelle hierzu wurde noch nicht gefunden.
  4. ^ Weigel: Die Chemie des Promethiums, S. 591.

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