Purification of Quicksilver.
"Quicksilver rubbed with the juice of the aforesaid plants (vide original text) and distilled seven times, becomes pure."
"Quicksilver, made into a paste by being rubbed with copper and subjected to distillation, leaves behind tin and lead [with which they are often adulterated] and becomes pure." X. 55-56
Killing of Mercury.
"Green-vitriol, alum, salt, borax, mixed with the aforesaid vegetable drugs, (vide original text), kill mercury in an instant [in the shape of calomel."] XI. 24
Killing of Gold.
"Salt-petre, green vitriol, sea-salt, rock-salt, mustard, borax, salammoniac, camphor, the pyrites—all these are to be taken in equal parts. The crucible is to be smeared with the milky juice of euphorbia neriifolia and asclepias gigantea; then, having added the powder of the aforesaid "vida," the gold is to be killed, my beloved!" XI. 83-84