Actinium(III) hydroxide
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Names | |
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Other names
Actinium hydroxide
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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
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actinium(III) oxide |
Other cations
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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).
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Actinium(III) hydroxide is a white radioactive solid with the chemical formula of Ac(OH)3.
Preparation
Actinium(III) hydroxide may be formed from soluble actinium salts and alkalis or ammonia water, and the resulting gel is precipitated as the product:[1]
- Ac3+ + 3 OH− → Ac(OH)3↓
Its solubility is slightly greater than that of lanthanum hydroxide, but it is still insoluble in water.
Chemical properties
Actinium(III) hydroxide is an alkaline hydroxide, it can react with acids to obtain actinium salts:[1]
- Ac(OH)3 + 3 HNO3 → Ac(NO3)3 + 3 H2O
References
- ^ a b Tang, Renhuan; Liu, Yuanfang; Zhang, Qinglian; Zhang, Zhiyao. Series of Inorganic Chemistry. Volume 10. Actinides, Transactinides. 4.4 Actinium compounds. pp 75. ISBN 978-7-03-030572-5 (in Chinese)
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