Gadolinium(III) selenate

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Gadolinium(III) selenate
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/2Gd.3H2O4Se/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6
    Key: LSEBDKBNNFPZKP-UHFFFAOYSA-H
  • [O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[Gd+3].[Gd+3]
Properties
Gd2(SeO4)3
Molar mass 743.395
887.523 (octahydrate)
Density 3.309g/cm3 (octahydrate)
soluble[1]
Related compounds
Other anions
 gadolinium(III) selenite
gadolinium(III) sulfate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Gadolinium(III) selenate is an inorganic compound with the chemical formula Gd2(SeO4)3. It exists as the anhydrate and octahydrate. The octahydrate transforms into the anhydrate when heated to 130 °C.

Preparation

Gadolinium(III) selenate can be obtained by crystallizing from the reaction of gadolinium oxide and selenic acid solution:[2]

Gd2O3 + 3 H2SeO4 → Gd2(SeO4)3 + 3 H2O

References

  1. ^ 化学化工物性数据手册（无机卷）.刘光启 等主编.化学工业出版社.16.2 硒酸盐.P569
  2. ^ Perkovskaya, Yu. B.; Sukhanova, I. M. Rare earth metal selenates. Metody Polucheniya Khimicheskikh Reaktivov i Preparatov, 1967. 16: 120-123. ISSN: 0539-5143.
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