砷酸鐿

砷酸鐿是鐿的砷酸鹽，化學式為YbAsO₄。它有著很好的熱穩定性，其pK_sp,c為22.72。^[1]砷酸鐿具有磷釔礦晶體結構。^[2]

製備[編輯]

砷酸鐿可由砷酸鈉（Na₃AsO₄）和氯化鐿（YbCl₃）在溶液中反應製得：^[3]

Na₃AsO₄ + YbCl₃ → 3 NaCl + YbAsO₄↓

^ 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
^ Dong-Hee Kang, Patrick Höss, Thomas Schleid. Xenotime-type Yb[AsO4]. Acta Crystallographica Section E Structure Reports Online. 2005-12-01, 61 (12): i270–i272 [2018-04-02]. ISSN 1600-5368. doi:10.1107/s1600536805036457. （原始內容存檔於2018-06-03）（英語）.
^ 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