<p><b>錫酸鈉</b>，化學式Na<sub>2</sub>SnO<sub>3</sub>。
</p>


<h2><span id=".E6.80.A7.E8.B4.A8"></span><span id="性质">性質</span></h2>
<p>三水合物為無色六角板狀結晶或白色粉末，溶於水，不溶於醇和丙酮。易吸收二氧化碳而變質。140°C失結晶水成無水錫酸鈉。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>錫花與氫氧化鈉和硝酸鈉共熔進行反應，反應溫度從300°C升至800°C，得錫酸鈉。經提純得成品。
</p>
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  </semantics></math></span></span></dd></dl><h2><span id=".E7.94.A8.E9.80.94"></span><span id="用途">用途</span></h2>
<p>用於電鍍工業鹼性鍍錫、鍍銅和錫鋁合金電鍍。用作媒染劑、過氧化氫穩定劑、紡織工業中的防火劑和增重劑。也用於玻璃和陶瓷工業。
</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>

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**錫酸鈉**，化學式 Na2SnO3。

## 性質

三水合物為無色六角板狀結晶或白色粉末，溶於水，不溶於醇和丙酮。易吸收二氧化碳而變質。140°C 失結晶水成無水錫酸鈉。

## 製備

錫花與氫氧化鈉和硝酸鈉共熔進行反應，反應溫度從 300°C 升至 800°C，得錫酸鈉。經提純得成品。

　
: ${\rm {\ 2Sn+3NaOH+NaNO_{3}+6H_{2}O\rightarrow 2Na_{2}SnO_{3}\cdot 3H_{2}O+NH_{3}\uparrow }}$

## 用途

用於電鍍工業鹼性鍍錫、鍍銅和錫鋁合金電鍍。用作媒染劑、過氧化氫穩定劑、紡織工業中的防火劑和增重劑。也用於玻璃和陶瓷工業。

## 參考資料
12058-66-1