<p><b>碘酸鈷</b>是一種無機化合物，化學式為Co(IO<sub>3</sub>)<sub>2</sub>。碘酸鈷在420°C分解，生成四氧化三鈷。</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>碘酸鈷可由碘酸或碘酸鋰在硝酸酸性條件下和硝酸鈷反應得到。如果未使用硝酸，會得到紫色的Co(IO<sub>3</sub>)<sub>2</sub>和粉色塊狀的Co(IO<sub>3</sub>)<sub>2</sub>·2H<sub>2</sub>O的混合物。</p>
<dl><dd>Co(NO<sub>3</sub>)<sub>2</sub> + 2 LiIO<sub>3</sub> → Co(IO<sub>3</sub>)<sub>2</sub> + 2 LiNO<sub>3</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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**碘酸鈷**是一種無機化合物，化學式為 Co (IO3)2。碘酸鈷在 420°C 分解，生成四氧化三鈷。

## 製備

碘酸鈷可由碘酸或碘酸鋰在硝酸酸性條件下和硝酸鈷反應得到。如果未使用硝酸，會得到紫色的 Co (IO3)2 和粉色塊狀的 Co (IO3)2·2H2O 的混合物。

　
: Co(NO3)2 + 2 LiIO3 → Co(IO3)2 + 2 LiNO3

## 參考文獻
13455-28-2