查看“︁硒酸镍”︁的源代码

{{Chembox
| CustomizedImage= [[File:Ni2+.svg|40px|Nickelkation]][[File:Selenate Structural Formula A V2.svg|90px|Selenat-Anion]]
|Section1={{Chembox Identifiers
| CASNo= 15060-62-5
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo_Comment = 无水
| CASNo2=10101-99-2
| CASNo2_Ref = {{cascite|correct|CAS}}
| CASNo2_Comment=六水合物
| EC-number= 239-125-2
| PubChem          = 
| ChemSpider       = 
|SMILES=[Ni+2].[O-]Se(=O)(=O)[O-]
}}
|Section2={{Chembox Properties
| Formula=NiSeO<sub>4</sub>
| Appearance= 绿色固体<ref name="GESTIS">{{GESTIS|ZVG=128550|CAS=15060-62-5|Name=Nickelselenat|Abruf=2019-12-30}}</ref>
| MolarMass     = 201.64 
| Density= 4.8 g·cm<sup>−3</sup><ref name="R. J. Meyer">{{Literatur| Autor=R. J. Meyer | Titel=Nickel Teil B — Lieferung 2. Verbindungen bis Nickel-Polonium | Verlag=Springer-Verlag | ISBN=978-3-662-13302-6 | Jahr=2013 | Online={{Google Buch | BuchID=0lGyBgAAQBAJ | Seite= }} | Seiten= }}</ref><br />2.314 g·cm<sup>−3</sup> （六水）<ref name="William M. Haynes">{{Literatur| Autor=William M. Haynes | Titel=CRC Handbook of Chemistry and Physics, 94th Edition  | Verlag=CRC Press | ISBN=978-1-4665-7115-0 | Jahr=2016 | Online={{Google Buch | BuchID=MmDOBQAAQBAJ | Band=4 | Seite=78 }} | Seiten=78 }}</ref>
| MeltingPt=
| BoilingPt=
| Solubility=
}}
|Section8={{Chembox Related
|OtherAnions=[[硫酸镍]]<br />[[亚硒酸镍]]
|OtherCations=[[硒酸亚铁]]<br />[[硒酸钴]]
}}
}}

'''硒酸镍'''是[[镍]]的[[硒酸盐]]，化学式 NiSeO<sub>4</sub>。

== 制备 ==
硒酸镍可以由[[碳酸镍]]和[[硒酸]]反应而成。<ref name="Jane E. Macintyre">{{Literatur| Autor=Jane E. Macintyre | Titel=Dictionary of Inorganic Compounds, Supplement 4  | Verlag=CRC Press | ISBN=978-0-412-75020-5 | Jahr=1996 | Online={{Google Buch | BuchID=VvDoE5oN09wC | Seite=219 }} | Seiten=219 }}</ref>
:<math>\mathrm{ NiCO_3 \ + H_2SeO_4 \rightarrow NiSeO_4 + H_2O + CO_2 \uparrow}</math>

== 性质==
硒酸镍六水合物是绿色固体。<ref name="GESTIS" /> 它是[[四方晶系]]的，空间群 P4<sub>1</sub>2<sub>1</sub>2 (No. 92)。<ref name="DOI10.1002/zaac.19703790212">H. Fuess: ''Die Kristallstruktur von Nickelselenat-hexahydrat.'' In: ''Zeitschrift für anorganische und allgemeine Chemie.'' 379, 1970, S.&nbsp;204, {{DOI|10.1002/zaac.19703790212}}.</ref>在 100 °C 时，硒酸镍六水合物缓慢失水成四水合物，空间群 P2<sub>1</sub>/n (No. 14)。在 510 °C 时，硒酸镍直接分解成[[亚硒酸镍]]，进一步加热会分解成[[氧化镍]]和[[二氧化硒]]。<ref name="DOI10.1016/S0040-6031(96)03062-6">D. Stoilova, V. Koleva: ''TG, DTA, DSC and X-ray powder diffraction studies on some nickel selenate hydrates.'' In: ''Thermochimica Acta.'' 290, 1997, S.&nbsp;85, {{DOI|10.1016/S0040-6031(96)03062-6}}.</ref><ref name="R. J. Meyer" />
::<math>\mathrm{ NiSeO_4\cdot 6H_2O \ \xrightarrow[-H_2O]{100\,^\circ C}\ NiSeO_4\cdot 4H_2O \ \xrightarrow[-H_2O]{300\,^\circ C}\ NiSeO_4\cdot H_2O \ \xrightarrow[-H_2O]{390\,^\circ C}\ NiSeO_4 \ \xrightarrow[-O_2]{510\,^\circ C}\ NiSeO_3 \ \xrightarrow[-SeO_2]{690\,^\circ C}\ NiO }</math>

它和[[硒酸钾]]在热的水溶液中冷却结晶，可以得到蓝绿色<!-- greenish blue -->的K<sub>2</sub>[Ni(H<sub>2</sub>O)<sub>6</sub>](SeO<sub>4</sub>)<sub>2</sub>。<ref>{{cite journal|journal=Zeitschrift für Kristallographie - New Crystal Structures|volume=224|issue=3|issn=2197-4578|date=2009-09|pages=351–354|doi=10.1524/ncrs.2009.0156|url=https://www.degruyter.com/document/doi/10.1524/ncrs.2009.0156/html|title=Crystal structure of Tutton’s salts K2[MII(H2O)6](SeO4)2, MII = Co, Ni, Zn and refinement of the crystal structure of potassium hexaaquamagnesium( II) selenate, K2[Mg(H2O)6](SeO4)2|accessdate=2021-05-28|author=Harald Euler, Bruno Barbier, Alke Meents, Armin Kirfel|archive-date=2021-08-15|archive-url=https://web.archive.org/web/20210815164516/https://www.degruyter.com/document/doi/10.1524/ncrs.2009.0156/html|dead-url=no}}</ref>
:<math>\mathrm{ K_2SeO_4 \ + NiSeO_4 + 6H_2O \rightarrow K_2[Ni(H_2O)_6](SeO_4)_2 }</math>

== 参考资料==
<references />
{{镍化合物}}
{{硒酸盐}}

[[Category:二价镍化合物]]
[[Category:硒酸盐]]