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In alchemy, calcination was believed to be one of the 12 vital processes required for the transformation of a substance. Alchemists distinguished two kinds of calcination, actual and potential. Actual calcination is that brought about by actual fire, from wood, coals, or other fuel, raised to a certain temperature.
The manuscript contained more than four hundred recipes covering alchemy as well as cosmetics and medicine. [122] One of these recipes was for the water of talc. [122] Talc, which makes up talcum powder, is a mineral which, when combined with water and distilled, was said to produce a solution which yielded many benefits. [122]
Alchemical symbols were used to denote chemical elements and compounds, as well as alchemical apparatus and processes, until the 18th century. Although notation was partly standardized, style and symbol varied between alchemists.
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.
There were many alchemists attempting to obtain the universal solvent, and thus many recipes, some later rejected by their creators, have been found. [8] Paracelsus's own recipe for alkahest was made of caustic lime, alcohol, and carbonate of potash; however, his recipe was not intended to be a "universal solvent". [9] [10]
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The Liber de compositione alchemiae ("Book on the Composition of Alchemy"), also known as the Testamentum Morieni ("Testament of Morienus"), the Morienus, or by its Arabic title Masāʾil Khālid li-Maryānus al-rāhib ("Khalid's Questions to the Monk Maryanos"), is a work on alchemy falsely attributed to the Umayyad prince Khalid ibn Yazid (c. 668 – c. 704). [1]
Hints for Today's Connections Sports Edition Categories on February 10, 2025. Here are some hints about the four categories to help you figure out the word groupings.