Actinium(III) hydroxide
| Actinium(III) hydroxide | |
| Names | |
|---|---|
| Other names
Actinium hydroxide
| |
| Identifiers | |
3D model (JSmol)
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| |
| Properties | |
| Ac(OH)3 | |
| Appearance | white solid |
| 0.021 in water (20 °C) | |
| Related compounds | |
Other anions
|
actinium(III) oxide |
Other cations
|
scandium(III) hydroxide yttrium(III) hydroxide lanthanum(III) hydroxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| |
Actinium(III) hydroxide is a white radioactive solid with the chemical formula of Ac(OH)3.
Preparation
氢氧化锕由可溶性锕盐和碱或氨水反应，所得凝胶沉淀为产物：[1]
- Ac3+ + 3 OH− → Ac(OH)3↓
其溶解度略大于氢氧化镧，但仍难溶于水。
Chemical properties
氢氧化锕是碱性氢氧化物，可以和酸反应产生相应的盐[1]：
- Ac(OH)3 + 3 HNO3 → Ac(NO3)3 + 3 H2O