thulium(III) selenate
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Identifiers
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InChI=1S/3H2O4Se.2Tm/c3*1-5(2,3)4;;/h3*(H2,1,2,3,4);;/q;;;2*+3/p-6 Key: JIJSNYDPFOBPCU-UHFFFAOYSA-H
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[Tm+3].[Tm+3].[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-]
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Properties
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O12Se3Tm2
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Molar mass
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766.769 g·mol−1
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Thulium(III) selenate is an inorganic compound, with the chemical formula Tm2(SeO4)3. It can be obtained by reacting a thulium(III) oxide and selenic acid solution and crystallizing it.[1] It crystallises with ammonium selenate in an aqueous solution to obtain NH4Tm(SeO4)2·3H2O.[2]
Thulium(III) selenate decomposes at high temperatures and passes through Tm2(SeO3)3 to finally obtain the oxide Tm2O3.[3]
- ^ Wickleder, Mathias S. (2005), Oxo-Selenates of rare earth elements, Handbook on the Physics and Chemistry of Rare Earths, vol. 35, Elsevier, pp. 45–105, doi:10.1016/s0168-1273(05)35002-1, ISBN 9780444520289, retrieved 2023-11-29
- ^ "Zhurnal Neorganicheskoi Khimii (Inorganic Chemistry) is 50". Russian Journal of Inorganic Chemistry. 51 (5): 844–845. May 2006. doi:10.1134/s0036023606050287. ISSN 0036-0236. S2CID 189775040.
- ^ Bohumil Hajek, Nadezda Novotna, Jarmila Hradilova (Aug 1979). "Studies of thermal decompositions and infrared spectra of the rare earth selenate octahydrates Ln2(SeO4)3· 8H2O (Ln = Y,Tb,Dy,Ho,Er,Tm,Yb,Lu)". Journal of the Less Common Metals. 66 (2): 121–136. doi:10.1016/0022-5088(79)90222-4. Retrieved 2020-05-29.
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