伏火硫黄法
伏火硫黄法
舶上或僧祚皆得一斤,右研如粉,用平底鍋中平攤,用桑條灰汁,經雨淋過者妙。取清釅汁三斗,硫黄上二指厚,沸煎一伏時,頻攪撥令匀。先取些於火上乾伏,即伏生,即更添煎水。又煮以伏爲度,黑如漆也。於甘鍋中,三五斤炭,火煅爲汁,瀉成錠子,後搗碎澄洗,㬠乾爲末,煆鑄爲器物,或伏制服食錯用。
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Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji
