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Gadolinium(III) selenate

Identifiers
CAS Number	20148-56-5
3D model (JSmol)	Interactive image
ChemSpider	15008011
PubChem CID	20432118
InChI InChI=1S/2Gd.3H2O4Se/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6Key: LSEBDKBNNFPZKP-UHFFFAOYSA-H
SMILES (=O)(=O).(=O)(=O).(=O)(=O)..
Properties
Chemical formula	Gd2(SeO4)3
Molar mass	743.395 887.523 (octahydrate)
Density	3.309g/cm (octahydrate)
Solubility in water	soluble
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 , 100 kPa). Infobox references

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:

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.

• Selenates
• Gadolinium compounds