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Aphronitre, or aphronitrum, is a kind of nitre, mentioned in ancient texts. It was supposed to be the foam or froth of a liquid, emerging to the top. Naturalists have taken the ancient aphronitre to have been a native saltpeter.


  • This article incorporates content from the 1728 Cyclopaedia, a publication in the public domain. [1]

See also

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Aphronitre". A list of authors is available in Wikipedia.
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