Samarium(III) arsenate

Samarium(III) arsenate
Identifiers

CAS Number	15479-87-5^Y
3D model (JSmol)	Interactive image
ChemSpider	21428578^N
PubChem CID	25022139
InChI InChI=1S/AsH3O4.Sm/c2-1(3,4)5;/h(H3,2,3,4,5);/q;+3/p-3 Key: PHVYCYGJDQEMIH-UHFFFAOYSA-K
SMILES [O-][As](=O)([O-])[O-].[Sm+3]
Properties
Chemical formula	SmAsO₄
Appearance	light yellow crystals^[1]
Density	5.77 g/cm³^[2]
Solubility in water	Insoluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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

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↓

References

^ Kang, Dong-Hee; Schleid, Thomas (2005-07-26). "Einkristalle von La[AsO₄] im Monazit- und Sm[AsO₄] im Xenotim-Typ". Zeitschrift für anorganische und allgemeine Chemie. 631 (10): 1799–1802. doi:10.1002/zaac.200500209. ISSN 0044-2313.
^ Schwarz, H. (June 1963). "Die Phosphate, Arsenate und Vanadate der Seltenen Erden". Zeitschrift für anorganische und allgemeine Chemie. 323 (1–2): 44–56. doi:10.1002/zaac.19633230106.
^ Firsching, F. Henry (Oct 1992). "Solubility products of the trivalent rare-earth arsenates". Journal of Chemical & Engineering Data. 37 (4): 497–499. doi:10.1021/je00008a028. ISSN 0021-9568.
^ Ismailzade, I. H.; Alekberov, A. I.; Ismailov, R. M.; Asadova, R. K.; Gabisoniya, Ts D.; Nanobashvili, Ye M. (Jan 1980). "Ferroelectricity in the crystals RAsO₄ (R = Pr, Nd, Eu, Gd, Tb, Dy, Er, Yb)". Ferroelectrics. 23 (1): 35–37. Bibcode:1980Fer....23...35I. doi:10.1080/00150198008224808. ISSN 0015-0193.

Samarium compounds

Samarium(II)

Samarium(III)

Organosamarium(III)	Sm(C₅H₅)₃ Sm₂(C₂O₄)₃

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