砷酸鋱

砷酸鋱是鋱的砷酸鹽，化學式為TbAsO₄。它有著很好的熱穩定性，其pK_sp,c為23.07±0.09。^[1]

製備

砷酸鐠可由砷酸鈉（Na₃AsO₄）和氯化鋱（TbCl₃）在溶液中反應製得：^[2]

Na₃AsO₄ + TbCl₃ → 3 NaCl + TbAsO₄↓

^ 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
^ 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