金銀用炭法

金銀用炭法

金用檉柳木炭、松栢石炭、土壃木炭、乾牛糞等,逐堅濡性,以火出之。唯有柴木似檉乾之,直用燒金𨥥,金即流出,用功甚少,得金最多。銀銅鐵一種,用剛木炭。錫用松木燒之亦得,剛炭出亦得。

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Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji

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