砷酸铕

砷酸铕砷酸盐,化学式为EuAsO4。它有着很好的热稳定性,其pKsp,c为22.53±0.03。[1]

砷酸铕
识别
CAS号 22816-52-0  checkY
性质
化学式 EuAsO4
外观 固体
溶解性 难溶
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

制备

砷酸铕可由砷酸钠(Na3AsO4)和氯化铕(EuCl3)在溶液中反应制得:[2]

Na3AsO4 + EuCl3 → 3 NaCl + EuAsO4

参考文献

  1. Firsching, F. Henry. Solubility products of the trivalent rare-earth arsenates. Journal of Chemical and Engineering Data, 1992. 37 (4): 497-499. DOI:10.1021/je00008a028
  2. Gabisoniya, Ts. D.; Nanobashvili, E. M.. Synthesis of rare earth metal arsenates(俄文). Soobshcheniya Akademii Nauk Gruzinskoi SSR (1980), 97(2), 345-8. ISSN:0002-3167
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