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对钠燃烧条件及产物进行研究,认为燃烧过程中产生的黑色物质是过氧化钠;实验中产生的过氧化钠的颜色随温度的变化而变化;白烟的主要成分是过氧化钠。可以采用预热坩埚1 min,投入绿豆大小除尽氧化膜的金属钠进行燃烧实验。
The combustion conditions of sodium and its products were studied. It is concluded that the black matter produced during the combustion process is sodium peroxide. The color of sodium peroxide produced during the experiment varies with the temperature. The main component of white smoke is sodium peroxide. Preheat the crucible can be used 1 min, put the size of the mung bean into the oxide film of sodium metal combustion experiment.