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Alchemical symbols were used to denote chemical elements and compounds, as well as alchemical apparatus and processes, until the 18th century. Although notation was ...
Alchemical symbol for caput mortuum. Caput mortuum (plural capita mortua; literally "dead head") is a Latin term used in alchemy to signify a useless substance left over from a chemical operation such as sublimation and the epitome of decline and decay (alternatively called nigredo).
Alchemical symbol for fire. In alchemy the chemical element of sulfur was often associated with fire and its alchemical symbol and its symbol was an upward-pointing triangle. In alchemic tradition, metals are incubated by fire in the womb of the Earth and alchemists only accelerate their development. [1]
Alchemy: The alchemical symbol for the sun and various sun gods. Also the alchemical symbol for gold which is the metal represented by the Sun which is the astral counterpart. Cross of Saint Peter (Petrine Cross) Peter requested to be crucified upside down, as he felt unworthy to die in the same manner as Christ. Used as a symbol of Saint Peter ...
An ouroboros in a 1478 drawing in an alchemical tract [1]. The ouroboros or uroboros (/ ˌ j ʊər ə ˈ b ɒr ə s /; [2] / ˌ ʊər ə ˈ b ɒr ə s / [3]) is an ancient symbol depicting a serpent or dragon [4] eating its own tail.
Glauber's salt – sodium sulfate.Na 2 SO 4; Sal alembroth – salt composed of chlorides of ammonium and mercury.; Sal ammoniac – ammonium chloride.; Sal petrae (Med. Latin: "stone salt")/salt of petra/saltpetre/nitrate of potash – potassium nitrate, KNO 3, typically mined from covered dungheaps.
Ladislaus Reti, a 20th-century historian of science, investigated alchemical recipes involving alkahest and found that no chemical was sufficient in breaking down the wide variety of materials Helmont supposed. Reti points out that in such recipes, an alcohol solution of potassium hydroxide could have been used instead. [5]
Alchemical Symbols is a Unicode block containing symbols for chemicals and substances used in ancient and medieval alchemy texts. Many of the symbols are duplicates or redundant with previous characters. [3] Few fonts support more than a few characters in this block as of 2021. One that does and is free for personal use is Symbola 14.0.