<p><b>亞硫酸銀</b>是銀的亞硫酸鹽，化學式 Ag<sub>2</sub>SO<sub>3</sub>。這種不穩定的物質在加熱或光照下會分解成連二硫酸銀和硫酸銀。</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>亞硫酸銀可以由硝酸銀和亞硫酸鈉反應沉澱：
</p>
<dl><dd>2 AgNO<sub>3</sub> + Na<sub>2</sub>SO<sub>3</sub> ⇌ Ag<sub>2</sub>SO<sub>3</sub> + 2 NaNO<sub>3</sub></dd></dl><p>沉澱後，過濾亞硫酸銀，用沸水將其洗滌，然後在真空中乾燥。 </p>
<h2><span id=".E5.8F.82.E8.80.83.E8.B5.84.E6.96.99"></span><span id="参考资料">參考資料</span></h2>

<p><br></p>
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**亞硫酸銀**是銀的亞硫酸鹽，化學式 Ag2SO3。這種不穩定的物質在加熱或光照下會分解成連二硫酸銀和硫酸銀。

## 製備

亞硫酸銀可以由硝酸銀和亞硫酸鈉反應沉澱：

　
: 2 AgNO3 + Na2SO3 ⇌ Ag2SO3 + 2 NaNO3

沉澱後，過濾亞硫酸銀，用沸水將其洗滌，然後在真空中乾燥。 

## 參考資料
13465-98-0