砷酸铒是铒的砷酸盐,化学式为ErAsO4。它有着很好的热稳定性,其pKsp,c为22.47±0.04。[1]
砷酸铒 | |
---|---|
![]() | |
识别 | |
CAS号 | 28548-44-9 ![]() |
性质 | |
化学式 | ErAsO4 |
外观 | 固体 |
溶解性(水) | 难溶 |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
制备
砷酸铒可由砷酸钠(Na3AsO4)和氯化铒(ErCl3)在溶液中反应制得:[2]
- Na3AsO4 + ErCl3 → 3 NaCl + ErAsO4↓
参考文献
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