砷酸镝

砷酸镝是镝的砷酸盐，化学式为DyAsO4。它有着很好的热稳定性，其pKsp,c为23.83±0.06。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砷酸镝具有ZrSiO4结构。
制备
砷酸镝可由砷酸钠（Na3AsO4）和氯化镝（DyCl3）在溶液中反应制得：Gabisoniya, Ts. D.; Nanobashvili, E. M.. Synthesis of rare earth metal arsenates. Soobshcheniya Akademii Nauk Gruzinskoi SSR (1980), 97(2), 345-8. ISSN:0002-3167
 Na3AsO4 + DyCl3 → 3 NaCl + DyAsO4↓

参考文献

category:镝化合物
category:砷酸盐