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化学式:Fe3O4、分子量231.54、逆尖晶石型.立方晶系.黒固体粉末、密度5.18g/cm3.融点1867.5K(1594.5°C).それは磁性と知られている酸化鉄.水に溶けにくい、酸(Fe3O4+8H+=Fe2++2Fe3++4H2O)に溶解しない...
3Fe+2O2=Fe3O4条件:点灯
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