查看“︁高锝酸钾”︁的源代码

{{NoteTA
|G1 = Chemistry
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{{chembox
| verifiedrevid = 
|   Name = 高锝酸钾
|   ImageFile = K2ReO4.png
|   ImageName = 175px
|   OtherNames = 偏高锝酸钾
|   IUPACName = 锝(VII)酸钾
| Section1 = {{Chembox Identifiers
|   ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 
| PubChem = 
| InChI =
| InChIKey =
| SMILES = 
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI =
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = 
| CASNo = 75492-44-3
| CASNo_Ref = {{Cascite|correct|CAS}}
| CASNo_Comment = <sup>99</sup>Tc
  }}
| Section2 = {{Chembox Properties
|   Formula = KTcO<sub>4</sub>
|   MolarMass = 201.1
|   Appearance = 无色固体<ref name=wj>《无机化学丛书》. 第九卷 锰分族 铁系 铂系. 谢高阳 等主编. 科学出版社. 3.13.3 含氧酸及其盐类. P<sub>116</sub></ref>
|   Density = 
|   MeltingPt = 540℃
|   BoilingPt = 约1000℃{{cn}}
|   Solubility = 2.13g（20℃）
|   Solvent =
|   SolubleOther = 
  }}
| Section7 = {{Chembox Hazards
|  EUHazardSymbol =
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| Section8 = {{Chembox Related
|   Function = 
|   OtherFunctn = 
|   OtherAnions = [[高锰酸钾]]<br />[[高铼酸钾]]
|   OtherCations = [[高锝酸钠]]<br />[[高锝酸铵]]<br />[[高锝酸银]]
|   OtherCpds = [[七氧化二锝]]<br />[[高锝酸]]
  }}
}}
'''高锝酸钾'''是一种[[无机化合物]]，[[化学式]]为KTcO<sub>4</sub>。有放射性。在核医学中有所应用。<ref>王秀凤, 陈铭, 孙宏清,等. 高锝[~(99)Tc]酸钾中放射性杂质核素的分析[J]. 中国原子能科学研究院年报, 2015.</ref>

==物理性质==
高锝酸钾是无色固体，在500℃变为黄色。<ref name=wj />
==制备==
* [[七氧化二锝]]和[[氢氧化钾]]反应：<center><math>\mathrm{TcO_7 + 2\;KOH \longrightarrow 2\;KTcO_4 + H_2O}</math></center>
* [[高锝酸]]和[[碳酸钾]]反应：<center><math>\mathrm{2\,HTcO_4 + K_2CO_3 \longrightarrow 2\,KTcO_4 + H_2O + CO_3}</math></center>
* [[高锝酸]]和[[硝酸钾]]反应：<center><math>\mathrm{HTcO_4 + KNO_3 \longrightarrow KTcO_4 + HNO_3}</math></center>
* [[锝]]、[[硝酸]]和[[过氧化氢]]反应：<center><math>\mathrm{2\;Tc + 2\;HNO_3 + 6\;H_2O_2 \longrightarrow 2\;HTcO_4 + 2\;NO_2\uparrow + 6\;H_2O}</math></center>
* [[锝]]和[[硝酸]]反应：<center><math>\mathrm{Tc + 7\;HNO_3 \longrightarrow HTcO_4 + 7\;NO_2\uparrow + 3H_2O}</math></center>
==参考资料==
{{reflist}}
{{锝化合物}}
[[category:钾化合物]]
[[category:高锝酸盐]]
[[Category:缺少物质图片的化学品条目]]
{{inorganic-compound-stub}}