查看“︁二草酸根合铜(II)酸钾”︁的源代码

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| Name = 
| NameEn = 
| ImageFile = Kaliumdioxalatocuprat(II)-Dihydrat.jpg
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| Section1 = {{Chembox Identifiers
|   CASNo = 36431-92-2
|   CASNo_Ref = {{cascite}}
|   CASNo_Comment = 无水
|   CASNo2 = 38682-88-1
|   CASNo2_Comment = 二水
|   PubChem = 
|   SMILES =  }}
| Section2 = {{Chembox Properties
|   Formula = K<sub>2</sub>[Cu(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]
|   MolarMass = 317.78
|   Appearance = 蓝色晶体
|   Density = 
|   MeltingPt = 
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|   Solubility = 可溶于热水 }}
| Section3 = {{Chembox Hazards
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'''二草酸根合铜(II)酸钾'''是一种[[配位化合物]]，化学式为K<sub>2</sub>[Cu(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]，存在无水物和水合物。它可由[[草酸钾]]和[[硫酸铜]]反应得到：<ref>{{Literatur |Autor=Stanley Kirschner, John A. Mclean Jr., Gerardine Meerman |DOI=10.1002/9780470132371.ch1 |Titel=Potassium Dioxalatocuprate(II) 2‐Hydrate |Sammelwerk=Inorganic Synthesis |Band=6| Jahr=1960}}</ref>

<chem>2 K2C2O4 * H2O + CuSO4 * 5H2O -> K2[Cu(C2O4)2] * 2H2O + K2SO4 + 4 H2O</chem>

二水合物在105~110 °C失水，得到无水物。它在空气中于500 °C分解，生成[[碳酸钾]]、[[氧化铜]]和[[二氧化碳]]。<ref>Datenblatt [https://www.sigmaaldrich.com/catalog/product/ALDRICH/575003 ''Kaliumdioxalatocuprat(II)''] {{Wayback|url=https://www.sigmaaldrich.com/catalog/product/ALDRICH/575003 |date=20151222160206 }} bei Sigma-Aldrich, abgerufen am 14. März 2021 (PDF).</ref>

==参考文献==
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{{钾化合物}}

[[Category:钾化合物]]
[[Category:铜配合物]]
[[Category:草酸根配合物]]