Checking the quality of Saltpetre (Nitre, Potassium Nitrate, or KN03). Saltpetre

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Checking the quality of Saltpetre (Nitre, Potassium Nitrate, or KN03). Saltpetre

Checking the quality of Saltpetre (Nitre, Potassium Nitrate, or KN03). Saltpetre is the principal ingredient in gunpowder, and is still used in the preservation of some foods. In medicine it was used internally as a diuretic, but now is only used externally for a number of conditions, such as asthma. From 1683 English edition of Beschreibung allerfurnemisten mineralischen Ertzt, Lazarus Ercker, (Prague, 1574). Copperplate engraving

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Media ID 9766873

© Universal History Archive/Universal Images Group

1574 1683 Allerfurnemisten Beschreibung Checking Chemistry Conditions Copperplate Edition Ercker Ertzt Explosive Foods Gunpowder Ingredient Lazarus Medicine Mineralischen Number Potassium Prague Preservation Principal Quality Science Asthma Diuretic Internally Nitrate Saltpetre

EDITORS COMMENTS
This print showcases the meticulous process of checking the quality of Saltpetre, also known as Nitre or Potassium Nitrate (KN03). Saltpetre holds immense significance as it serves as the principal ingredient in gunpowder, making it an explosive compound. However, its applications extend beyond weaponry and into various domains. In this image from a 1683 English edition of Beschreibung allerfurnemisten mineralischen Ertzt by Lazarus Ercker, we witness a scene that intertwines science, preservation, medicine, and chemistry. The engraving depicts individuals engaged in scrutinizing the saltpetre's quality with utmost precision. This practice was crucial to ensure its efficacy for both medicinal and culinary purposes. While once used internally as a diuretic in medical treatments, today it finds limited application externally for conditions like asthma. The historical context adds depth to this image; originating from Prague in 1574 during an era when scientific discoveries were rapidly advancing. The copperplate engraving technique employed here further enhances the intricate details captured within this artwork. As we delve into this remarkable visual representation of saltpetre examination, let us appreciate not only its historical value but also acknowledge its multifaceted nature - from being an essential component in gunpowder to playing a role in preserving certain foods.

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