搜索 - 科创

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可根据起火的原因选择使用，以下几种情况不能用水灭火:(a)金属钠、钾、镁、铝粉、电石、过氧化钠着火，应用干沙灭火。(b)比水轻的易燃液体，如汽油、笨、丙酮等着火，可用泡沫灭火器。

直接混合相容性不佳的成分，如镁铝粉和硝酸铵、高氯酸铵等酸性物质混合，常温下遇湿自燃。将氧化剂和还原剂混合加工时工具造成摩擦或静电。

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