<p><b>草酸銣</b>是銣的草酸鹽，化學式為Rb<sub>2</sub>C<sub>2</sub>O<sub>4</sub>。
</p>
<h2><span id=".E5.88.B6.E5.A4.87.E5.8F.8A.E6.80.A7.E8.B4.A8"></span><span id="制备及性质">製備及性質</span></h2>
<p>草酸和碳酸銣在水溶液中反應，生成草酸銣，從其水溶液中可以析出一水合物。</p>
<dl><dd>H<sub>2</sub>C<sub>2</sub>O<sub>4</sub> + Rb<sub>2</sub>CO<sub>3</sub> → Rb<sub>2</sub>C<sub>2</sub>O<sub>4</sub> + H<sub>2</sub>O + CO<sub>2</sub>↑</dd></dl><p>草酸銣受熱可以分解，生成碳酸銣。草酸銣和草酸可以在水溶液反應並中析出酸式鹽RbH<sub>3</sub>(C<sub>2</sub>O<sub>4</sub>)​<sub>2</sub>·2H<sub>2</sub>O或RbHC<sub>2</sub>O<sub>4</sub>。</p>
<h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**草酸銣**是銣的草酸鹽，化學式為 Rb2C2O4。

## 製備及性質

草酸和碳酸銣在水溶液中反應，生成草酸銣，從其水溶液中可以析出一水合物。

　
: H2C2O4 + Rb2CO3 → Rb2C2O4 + H2O + CO2↑

草酸銣受熱可以分解，生成碳酸銣。草酸銣和草酸可以在水溶液反應並中析出酸式鹽 RbH3(C2O4)​2·2H2O 或 RbHC2O4。

## 參考文獻
10010-65-8