<p><b>一硫化鈰</b>是鈰的硫化物之一，化學式為CeS。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>一硫化鈰可以通過三硫化二鈰和二氫化鈰的還原反應製得：</p>
<dl><dd>Ce<sub>2</sub>S<sub>3</sub> + CeH<sub>2</sub> → 3 CeS + H<sub>2</sub>↑</dd></dl><h2><span id=".E6.80.A7.E8.B4.A8"></span><span id="性质">性質</span></h2>
<p>一硫化鈰對金屬有著浸潤（wetting）作用，它對除了鉑以外的金屬都比較穩定。它可以和鉑劇烈反應，生成金屬間化合物一鉑化鈰。</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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**一硫化鈰**是鈰的硫化物之一，化學式為 CeS。

## 製備

一硫化鈰可以通過三硫化二鈰和二氫化鈰的還原反應製得：

　
: Ce2S3 + CeH2 → 3 CeS + H2↑

## 性質

一硫化鈰對金屬有著浸潤（wetting）作用，它對除了鉑以外的金屬都比較穩定。它可以和鉑劇烈反應，生成金屬間化合物一鉑化鈰。

## 參考文獻
12014-82-3