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Pattinson's Process is a method for removing silver from lead. The process is dependent on the fact that lead which has least silver in it solidifies first on liquefaction. ==References== * 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pattison's Process」の詳細全文を読む スポンサード リンク
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