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Polonium(IV) sulfate

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Polonium(IV) sulfate
Identifiers
3D model (JSmol)
  • InChI=1S/2H2O4S.Po/c2*1-5(2,3)4;/h2*(H2,1,2,3,4);/q;;+4/p-4
    Key: MIJPRCZICLLYHP-UHFFFAOYSA-J
  • [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Po+4]
Properties
Po(SO4)2
Molar mass 401 g·mol−1 (anhydrous)
Appearance dark purple crystalline solid (anhydrous)[1]
white or colourless crystals (hydrate)[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Polonium(IV) sulfate is an inorganic compound, a salt of polonium and the sulfate anion with the chemical formula of Po(SO4)2. As anhydrous, it forms dark purple crystalline solid, and as a hydrate, it forms colourless or white crystals, and is soluble in water. It can be obtained by the reaction of polonium tetrachloride (or hydrated polonium dioxide)[1] and sulfuric acid.[2] Polonium(IV) sulfate can be reduced to PoSO4[3] by hydroxylamine in acidic solutions; it decomposes to polonium dioxide at 550 °C. It is radioactive and produces gases as it decays.[2]

References

[edit]
  1. ^ a b Susan A Brown, Paul L Brown. The Aqueous Chemistry of Polonium and the Practical Application of its Thermochemistry. Elsevier, 2019.
  2. ^ a b c Bagnall, K. W.; Freeman, J. H. (1956). "878. The sulphates and selenate of polonium". Journal of the Chemical Society (Resumed): 4579. doi:10.1039/jr9560004579. ISSN 0368-1769.
  3. ^ 无机化学丛书 第五卷 氧 硫 硒分族. 科学出版社. pp 424-425.
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