查看“︁碲酸钾”︁的源代码

{{Chembox
 | CustomizedImage= [[File:2.svg|x60px|Zahl 2]] [[File:K+.svg|x60px|K<sup>+</sup>-Ion]] &nbsp;&nbsp; [[File:Metatellurate-ion.svg|100px|Struktur des Metatellurat(VI)-Ions]]
|Section1={{Chembox Identifiers
| CASNo=15571-91-2
| CASNo_Comment = 无水
|CASNo2=314041-10-6
| CASNo2_Comment=一水
| CASNo_Ref ={{cascite|correct|CAS}}
| CASNo2_Ref = {{cascite|correct|CAS}}
| CASNo3_Ref = {{cascite|correct|CAS}}
| CASNo3 = 13446-63-4
| CASNo3_Comment = 五水
 | PubChem         = 6093686
 | ChemSpider      = 3344673
| SMILES=[K+].[K+].[O-][Te](=O)(=O)[O-]
}}
|Section2={{Chembox Properties
 | Appearance= 白色固体<ref name="David R. Lide">{{Literatur| Autor=David R. Lide | Titel=CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data | Verlag=CRC Press | ISBN=978-0-8493-0595-5 | Jahr=1995 | Online={{Google Buch | BuchID=q2qJId5TKOkC | Band=4 | Seite=78 }} | Seiten=78 }}</ref>
 |K=2|Te=1|O=4
 | Density=
 | MeltingPt=
 | BoilingPt=
 | Solubility= 可溶<ref name="David R. Lide" />
}}
|Section8={{Chembox Related
| OtherAnions=[[硫酸钾]]<br />[[硒酸钾]]
| OtherCations=[[碲酸钠]]<br />[[碲酸铵]]
| OtherCpds=[[碲化钾]]<br />[[亚碲酸钾]]
}}
}}

'''碲酸钾'''是一种[[无机化合物]]，是[[钾]]的[[碲酸盐]]，化学式 {{chem|K|2|TeO|4}}

== 制备 ==
碲酸钾可以由[[二氧化碲]]和[[硝酸钾]]反应而成。<ref name="Rudolf Ochs">{{Literatur| Autor=Rudolf Ochs | Titel=Einführung in die Chemie Ein Lehr-u. Experimentierbuch | Verlag=Springer-Verlag | ISBN=978-3-642-92064-6 | Jahr=2013 | Online={{Google Buch | BuchID=fBDLBgAAQBAJ | Seite=93 }} | Seiten=93 }}</ref>

== 性质==
碲酸钾是一种可溶于水的白色固体。<ref name="David R. Lide" />

==反应==
和三氧化硫反应：<ref>[https://books.google.com.br/books?id=0m-JuMpFZPAC&pg=PA423&dq=sodium+tellurate&hl=en&sa=X&ved=0CDMQ6AEwA2oVChMIpt7369_AyAIVSiGQCh0i2Q3B#v=onepage&q=sodium%20tellurate&f=false Resource Recovery and Recycling from Metallurgical Wastes] {{Wayback|url=https://books.google.com.br/books?id=0m-JuMpFZPAC&pg=PA423&dq=sodium+tellurate&hl=en&sa=X&ved=0CDMQ6AEwA2oVChMIpt7369_AyAIVSiGQCh0i2Q3B#v=onepage&q=sodium%20tellurate&f=false |date=20210602220015 }}, S.R. Ramachandra Rao</ref>

<math>\mathsf{K_2TeO_4 + SO_3 \ \xrightarrow{110^oC}\ K_2SO_4 + TeO_3 }</math>

和[[硝酸银]]反应，形成碲酸银<ref>{{Cite web |url=https://books.google.com.br/books?id=UtRHAQAAMAAJ&q=%22potassium+tellurate%22&dq=%22potassium+tellurate%22&hl=pt-BR&sa=X&ved=0ahUKEwjKvfaa-93dAhWNnJAKHYb3Ans4ChDoAQhAMAQ |title=Bulletin of the University of Wisconsin |access-date=2021-06-02 |archive-date=2021-06-03 |archive-url=https://web.archive.org/web/20210603025928/https://books.google.com.br/books?id=UtRHAQAAMAAJ&q=%22potassium+tellurate%22&dq=%22potassium+tellurate%22&hl=pt-BR&sa=X&ved=0ahUKEwjKvfaa-93dAhWNnJAKHYb3Ans4ChDoAQhAMAQ |dead-url=no }}</ref><ref>{{Cite web |url=https://books.google.com.br/books?id=fBBNAAAAMAAJ&q=%22potassium+tellurate%22&dq=%22potassium+tellurate%22&hl=pt-BR&sa=X&ved=0ahUKEwjKvfaa-93dAhWNnJAKHYb3Ans4ChDoAQhGMAU |title=A Contribution to the Chemistry of the Tellurates |access-date=2021-06-02 |archive-date=2021-06-02 |archive-url=https://web.archive.org/web/20210602220136/https://books.google.com.br/books?id=fBBNAAAAMAAJ&q=%22potassium+tellurate%22&dq=%22potassium+tellurate%22&hl=pt-BR&sa=X&ved=0ahUKEwjKvfaa-93dAhWNnJAKHYb3Ans4ChDoAQhGMAU |dead-url=no }}</ref>：

<math>\mathsf{AgNO_3 + K_2TeO_4 \ \xrightarrow{T}\ Ag_2TeO_4 \downarrow + 2\,KNO_3 }</math>

== 参考资料==
<references />
{{钾化合物}}
{{碲化合物}}

[[Category:钾化合物]]
[[Category:碲酸盐]]