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Samarium(III) arsenate

Chemical compound From Wikipedia, the free encyclopedia

Samarium(III) arsenate is an arsenate salt of samarium with the chemical formula SmAsO4. It has good thermal stability, and its pKsp,c is 22.73±0.08.[3]

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Samarium(III) arsenate
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/AsH3O4.Sm/c2-1(3,4)5;/h(H3,2,3,4,5);/q;+3/p-3
    Key: PHVYCYGJDQEMIH-UHFFFAOYSA-K
  • [O-][As](=O)([O-])[O-].[Sm+3]
Properties
SmAsO4
Appearance light yellow crystals[1]
Density 5.77 g/cm3[2]
Insoluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Preparation

Samarium(III) arsenate can be produced by reacting sodium arsenate (Na3AsO4) and samarium(III) chloride (SmCl3) in solution:[4]

Na3AsO4 + SmCl3 → 3 NaCl + SmAsO4↓

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