銦,化學元素也,符號為In,原子序四十九。屬族十三、硼族,位列主族、兼後過渡金屬。地殼之中,億僅廿一,幾稀。柔軟可展,熔點高於鈉、鎵,而低於鋰、錫。反應有類鎵、鉈,性介其間。一八六三年,德人賴西(Ferdinand Reich)、域柁(Hieronymous Theodor Richter)以光譜法並索之。明年,得其物。
銦出於硫化鋅礦,取鋅並得銦。其用眾多,半導體工業、焊料、高真空密封等,皆然。合氧、錫而為氧化銦錫,無色,鍍於玻璃,以導電。生物本無銦,不慎入血,則稍中毒。
聲音動静,具錄於維基共享︰銦 |
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