Alchemical symbols, 18th century

by Science Photo Library

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Alchemical symbols, 18th century

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Science Photo Library

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Photograph - Photograph

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This image may not be used to state or imply the endorsement by the Chemical Heritage Foundation of any product, service or activity, or to concur with an opinion or confirm the accuracy of any text appearing alongside or in logical association with the image. Alchemical symbols. 18th-century listing of characters and symbols used by alchemists to represent chemicals, elements, and other objects and processes. The alphabetical listing is in French and includes astrological symbols. Examples here include steel (acier), crystal (cristal), and silver (argent), the latter having the symbol for the Moon. Classical elements include air (air) and water (eau). Reagents include aqua fortis (eau fortis, nitric acid), aqua regia (eau regale, mix of acids) and aqua vitae (esprit de vin, ethanol). These symbols were replaced by modern chemical nomenclature, developed from the end of the 18th century onwards.

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March 6th, 2014

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