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大苏打是什么
更新时间: 2021-02-06 06:14:56  

硫代硫酸钠,又名大苏打、海波(来源于其别名 sodium hyposulfite)。它是常见的硫代硫酸盐,无色透明的单斜晶体。 硫代硫酸钠易溶于水,遇强酸反应产生硫单质和二氧化硫气体。硫代硫酸钠为氰化物的解毒剂。

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