石中黄伏朱砂法
石中黄伏朱砂法
朱砂四兩,石苗一斤。右二件細末,入砂合子内,或磁合子,約一半許,按實。立一木胎子,用石黄周回按實,取去木胎,将朱砂以水微灦了,入硼砂内滚。訖入石中黄令满,又用石黄蓋頭,固濟,令乾。入一二尺深地坑内,用乾馬粪塡令满,烧二七日,将粪旋添之,勿令火候間断。日足,就上用三斤火,煅盡爲度。候冷取出,色如桃花,作汁成寳,任意用之。
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Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji
