硒酸铝

硒酸铝是一种无机化合物,化学式为Al2(SeO4)3。它可由亚硒酸铝和30%过氧化氢回流反应制得[3],或由氢氧化铝和略过量的硒酸反应得到[2]。它的水合物Al2(SeO4)3·16H2O和碱式盐AlOH(H2O)5SeO4是已知的。[4]它的复盐,如硒酸铝钾,可从硒酸铝与硒酸钾的混合溶液中结晶出来。[4]

硒酸铝
识别
CAS号 14696-77-6  checkY
PubChem 167146
SMILES
 
  • [O-][Se](=O)([O-])=O.[O-][Se]([O-])(=O)=O.[O-][Se]([O-])(=O)=O.[Al+3].[Al+3]
InChI
 
  • InChI=1S/2Al.3H2O4Se/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6
InChIKey JSMYWMXSQDUVSJ-UHFFFAOYSA-H
性质
化学式 Al2(SeO4)3
482.84 g·mol¹
沸点 400 °C(分解)[1]
溶解性 硫酸铝相似[2]
相关物质
其他阴离子 硫酸铝
碲酸铝
亚硒酸铝
其他阳离子 硒酸镓
硒酸铟
硒酸铊
相关化学品 硒酸
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

无水Al2(SeO4)3Fe2(SO4)3同构。[5]

参考文献

  1. Selivanova, N. M.; Samplavskaya, K. K.; Strel'tsov, I. S.; Mazepova, V. I. Thermal decomposition of aluminum selenate. Zhurnal Neorganicheskoi Khimii, 1963. 8 (7). 1645-1653. ISSN 0044-457X.
  2. K. Wade, A. J. Banister. The Chemistry of Aluminium, Gallium, Indium and Thallium: Comprehensive Inorganic Chemistry. Elsevier. 2016. ISBN 9781483153223. pp 1057.
  3. Ernest R. Huff and C. R. McCrosky The Preparation of Selenic Acid and its Salts. Journal of the American Chemical Society 1929 51 (5), 1457-1458 doi:10.1021/ja01380a502
  4. Henry Bassett. 245. The determination of selenate, and the preparation of some aluminium selenates. J. Chem. Soc., 1950, 1191-1194. doi:10.1039/JR9500001191.
  5. Perret, Rene; Rosso, Bernard. Crystalline parameters of anhydrous trivalent sulfates and selenates. II. Aluminum and gallium selenates. Bulletin de la Societe Chimique de France, 1968. 7: 2700-2701. ISSN 0037-8968
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