硫化鎂(化學式:MgS)是鎂的硫化物,室溫下為無色晶體,不純時為棕色粉末。
硫化鎂可由硫或硫化氫與鎂作用製得。高爐煉鐵中脫硫也運用了此反應:
- Mg + S → MgS[1]
硫化鎂為氯化鈉型結構,[2]化學性質類似於其他離子性的硫化物,如硫化鈉、硫化鋇和硫化鈣。它很容易與氧氣反應生成硫酸鎂,且與水反應,生成氫氧化鎂沉澱並放出硫化氫氣體。
硫化鎂可用於:
- 鋼鐵脫硫[3]
- 製取螢光粉
- 用作寬能帶間隙的半導體
參考資料
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