鋅者,舊曰倭鉛,化學元素也,符號Zn,原子序三十,屬過渡金屬。色銀白,不溶於水。
凡倭鉛,古書本無之,乃近世所立名色。其質用爐甘石熬煉而成。繁產山西太行山一帶,而荊、衡為次之。每爐甘石十斤,裝載入一泥罐內,封裹泥固,以漸砑幹,勿使見火拆裂。然後,逐層用煤炭餅墊盛,其底鋪薪,發火煆紅,罐中爐甘石熔化成團。冷定,毀罐取出。每十耗去其二,即倭鉛也。此物無銅收伏,入火即成煙飛去。以其似鉛而性猛,故名之曰「倭」云。
色青白、光亮、具反磁性。
燃於空氣,并氧而生氧化鋅。
同位素者三十,自鋅五四至鋅八三。性穩者有三,曰鋅六六,曰鋅六七,曰鋅六八,以鋅六四為盛,二者有一。
聲音動静,具錄於維基共享︰鋅 |
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