九炒芽方
九炒芽方
右將硝石、燄硝、白礬、食鹽四味,各二錢,研末用之。將砂銚一枚,取黄芽,先投銚内。次用前四藥,覆黄芽,座銚子上。更於銚子下,熳火逼炒,恐銚藥沸涌,挼皂角水洒之,莫令涌出。候藥不涌,用建盞覆定,更用濕紙封盞縫,聽銚内聲絶,去盞,去前四味藥汁,只取黄芽,沐浴轉成紅粉。
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Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji
