Georg Ernst Stahl and the Phlogiston Theory
On October 22, 1659, German chemist, physician and philosopher Georg Ernst Stahl was born. Stahl developed the phlogiston theory of combustion and of such related biological processes as respiration, fermentation, and decay. Combustible objects, he said, were rich in phlogiston, and during combustion is lost. The remaining ash, now having no phlogiston, could no longer burn. Until the late 18th century his works on phlogiston were accepted as an explanation for chemical…
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