Collectanea chymica a collection of ten several treatises in chymistry, concerning the liquor alkahest, the mercury of philosophers, and other curiosities worthy the perusal / written by Eir. Philaletha, Anonymous, Joh. Bapt. Van-Helmont, Dr. Fr. Antonie ... [et al.].

The Preparation of the Red-ferment.

Then likewise take Gold very purely, first ••urged from all other Metals that may be joy∣••ed with it, with ten parts of Antimony, and ••hen dissolve it in our Mercury or Liquor So∣••••tive, as before you did the Lune, and when 〈◊〉〈◊〉 is perfectly dissolved the Liquor will be Citrine; then in like manner, rectifie from 〈◊〉〈◊〉 again our Mercury or Liquor Solutive, and then Seal up the Oyl of Gold Ferment in a Chemia fit for it, and set it in Balneo to Pu∣••••ifie, which likewise, will become black, and must stand still unremoved in digestion, un∣til it become white, which then remove into a stronger Fire without opening the Glass, and then keep it until it change Colours and become Citrine, which then is also Fer∣ment of Ferments for the Red-work.