<p><b>砷酸釤</b>是釤的砷酸鹽，化學式為SmAsO<sub>4</sub>。它有著很好的熱穩定性，其p<i>K</i><sub>sp,c</sub>為22.73±0.08。</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>砷酸鐠可由砷酸鈉（Na<sub>3</sub>AsO<sub>4</sub>）和氯化釤（SmCl<sub>3</sub>）在溶液中反應製得：</p>
<dl><dd>Na<sub>3</sub>AsO<sub>4</sub> + SmCl<sub>3</sub> → 3 NaCl + SmAsO<sub>4</sub>↓</dd></dl><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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**砷酸釤**是釤的砷酸鹽，化學式為 SmAsO4。它有著很好的熱穩定性，其 p_K_sp,c 為 22.73±0.08。

## 製備

砷酸鐠可由砷酸鈉（Na3AsO4）和氯化釤（SmCl3）在溶液中反應製得：

　
: Na3AsO4 + SmCl3 → 3 NaCl + SmAsO4↓

## 參考文獻
15479-87-5