黃帝九鼎神丹經訣
作出銀色藥法

作出銀色藥法

作出銀色藥法

取蜀地白梅子、烏梅子,擣之使熟,銅器中,以水一斗,梅二升,醋一升,鹽末一升,一時煮使極熟。取銀先打薄者,著炭火燒赤,以木杖壓著梅漿中,承赤入槳也。更煮之,更燒更入,可半日,莫問好銀,表裏盡白矣。火燒不異,復有一種出色法,直爾取淨者,用硇砂和水燒銀著中,銀即白色矣。

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