"Vitriol" is a term that appeared during the Middle-Ages to indicate a wide range of ingredients widely used both in medicinal and alchemical recipes. Green, blue, or white vitriols are easily associated with iron(ii), copper(ii), and zinc sulphate respectively thanks to the historical sources composed in the time period when the ancient and modern nomenclatures overlapped. However, other colours of vitriols are attested throughout history, such as yellow, red, or black. The identification of these compounds is significantly less straightforward, and often chalked up to Decknamen (code names) or unspecified impure ores. Moreover, from several sources it is apparent that some of these compounds are artificial, or at least the result of technical operations rather than mineral ores used as they are. By thermal manipulation of iron(ii) sulphate, we managed to identify several compounds that fit with historical descriptions, which were later characterized through XRPD. Moreover, by using a Kofler bench and variable temperature XRPD, we were able to further investigate the transitions between these phases.

Montanari, G., Marchini, M., Martelli, M., Maini, L. (2024). Artificial vitriols: a contemporary interpretation of historical ingredients. RSC ADVANCES, 14(30), 21538-21543 [10.1039/d4ra01896f].

Artificial vitriols: a contemporary interpretation of historical ingredients

Montanari, Giacomo
Primo
;
Marchini, Marianna;Martelli, Matteo;Maini, Lucia
2024

Abstract

"Vitriol" is a term that appeared during the Middle-Ages to indicate a wide range of ingredients widely used both in medicinal and alchemical recipes. Green, blue, or white vitriols are easily associated with iron(ii), copper(ii), and zinc sulphate respectively thanks to the historical sources composed in the time period when the ancient and modern nomenclatures overlapped. However, other colours of vitriols are attested throughout history, such as yellow, red, or black. The identification of these compounds is significantly less straightforward, and often chalked up to Decknamen (code names) or unspecified impure ores. Moreover, from several sources it is apparent that some of these compounds are artificial, or at least the result of technical operations rather than mineral ores used as they are. By thermal manipulation of iron(ii) sulphate, we managed to identify several compounds that fit with historical descriptions, which were later characterized through XRPD. Moreover, by using a Kofler bench and variable temperature XRPD, we were able to further investigate the transitions between these phases.
2024
Montanari, G., Marchini, M., Martelli, M., Maini, L. (2024). Artificial vitriols: a contemporary interpretation of historical ingredients. RSC ADVANCES, 14(30), 21538-21543 [10.1039/d4ra01896f].
Montanari, Giacomo; Marchini, Marianna; Martelli, Matteo; Maini, Lucia
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/973995
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