砷酸镱

砷酸镱砷酸盐,化学式为YbAsO4。它有着很好的热稳定性,其pKsp,c为22.72。[1]砷酸镱具有磷钇矿晶体结构。[2]

砷酸镱
识别
CAS号 15479-89-7  checkY
性质
化学式 YbAsO4
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

砷酸镱可由砷酸钠(Na3AsO4)和氯化镱(YbCl3)在溶液中反应制得:[3]

Na3AsO4 + YbCl3 → 3 NaCl + YbAsO4

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. Dong-Hee Kang, Patrick Höss, Thomas Schleid. . Acta Crystallographica Section E Structure Reports Online. 2005-12-01, 61 (12): i270–i272 [2018-04-02]. ISSN 1600-5368. doi:10.1107/s1600536805036457. (原始内容存档于2018-06-03) (英语).
  3. 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
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.