硫化镁(化学式:MgS)是镁的硫化物,室温下为无色晶体,不纯时为棕色粉末。
硫化镁可由硫或硫化氢与镁作用制得。高炉炼铁中脱硫也运用了此反应:
- Mg + S → MgS[1]
硫化镁为氯化钠型结构,[2]化学性质类似于其他离子性的硫化物,如硫化钠、硫化钡和硫化钙。它很容易与氧气反应生成硫酸镁,且与水反应,生成氢氧化镁沉淀并放出硫化氢气体。
硫化镁可用于:
- 钢铁脱硫[3]
- 制取荧光粉
- 用作宽能带间隙的半导体
参考资料
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