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A sign for saltpetre, potassium nitrate.
Also known as: Saltpetre, Saltpeter, Nitre sign
Nitre or saltpetre, potassium nitrate: the oxidiser in gunpowder and the source of nitric acid. One of the substances whose practical importance made alchemical chemistry matter to states as well as to philosophers.
Denotes nitre or saltpetre, potassium nitrate, used as the oxidising component of gunpowder and as the material from which nitric acid was distilled.
Encoded at U+1F726 ALCHEMICAL SYMBOL FOR NITRE.
Contexts: Software
A looped stroke with a short crossing line, drawn as a single continuous figure.