錫者,化學元素也,符號Sn,原子序五十,屬主族、五金之類,銀白,所耗廣。展性佳,不易鏽矣。可自其氧化礦錫石所得,雲南、馬來西亞諸地多產之。
昔,時人已知混錫、銅、鉛而得青銅之法。前卅六世紀,初始銅錫融合則硬。前七世紀,得純錫。戰國時用以製武器,無錫因此得名,相傳無錫戰國時產錫,錫礦用盡之時,眾以無錫命之,託天下無爭。
錫之所耗廣,可作鉛、鋅、鋼之防腐層,亦可製合金。氯化錫可用於印刷,作還原、媒染也。玻璃板者,以熔化玻璃澆於錫板而得之,能使其平滑也。錫紙者,可包裝菜餚、藥材。可鍍之於銅鐵而得鍍錫鐵(馬口鐵)也。因其性可防鏽,可製錫罐儲食。有機錫者,可作官品試劑也。
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