<p><b>四氟化鈰</b>是一種無機化合物，化學式為CeF<sub>4</sub>，為具有強氧化性的白色晶體。四氟化鈰存在無水物和一水合物。</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>四氟化鈰可由三氟化鈰或二氧化鈰在500 °C和氟反應得到：</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {2\ CeF_{3}+F_{2}\longrightarrow 2\ CeF_{4}} }">
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<dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {CeO_{2}+2\ F_{2}\longrightarrow CeF_{4}+O_{2}} }">
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    <annotation encoding="application/x-tex">{\displaystyle \mathrm {CeO_{2}+2\ F_{2}\longrightarrow CeF_{4}+O_{2}} }</annotation>
  </semantics></math></span></span></dd></dl><p>四氟化鈰的水合物（CeF<sub>4</sub>·xH<sub>2</sub>O，x≤1）可以由40%氫氟酸和硫酸鈰(IV)水溶液在90°C反應，沉澱得到。</p><p>四氟化鈰溶於DMSO，可以結晶出配合物CeF<sub>4</sub>(DMSO)<sub>2</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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**四氟化鈰**是一種無機化合物，化學式為 CeF4，為具有強氧化性的白色晶體。四氟化鈰存在無水物和一水合物。

## 製備及性質

四氟化鈰可由三氟化鈰或二氧化鈰在 500 °C 和氟反應得到：

　
: $\mathrm {2\ CeF_{3}+F_{2}\longrightarrow 2\ CeF_{4}} $

　
: $\mathrm {CeO_{2}+2\ F_{2}\longrightarrow CeF_{4}+O_{2}} $

四氟化鈰的水合物（CeF4·xH2O，x≤1）可以由 40% 氫氟酸和硫酸鈰 (IV) 水溶液在 90°C 反應，沉澱得到。

四氟化鈰溶於 DMSO，可以結晶出配合物 CeF4(DMSO)2。

## 參考文獻
10060-10-3