Alkahest and Fire: Debating Matter, Chymistry, and Natural History at the Early Parisian Academy of Sciences

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Scopus citations


Samuel Cottereau Duclos (1598–1685) established the chymical research program at the newly inaugurated Parisian Academy of Sciences (est. 1666). While in the years following his election Duclos enjoyed an unmatched level of activity and influence among academicians, during the 1670s, his institutional status and authority had dwindled considerably. The origins of this decline are examined in light of Duclos’ preference of solution chymistry over traditional distillation analysis, highlighted by his research into alkahest. The assessment reveals metaphysical contentions within the Academy concerning the nature of matter and the scope chymical analysis. A crucial turning point in these disputes is signaled by Duclos’ ­confrontation with Denis Dodart, defender of distillation, over the direction of the ‘Natural History of Plants’ project. In epistemological and philosophical contexts, an examination of the debate illustrates the interplay between conflicting perceptions employed in negotiating distinctions such as physical/chymical and organic/mechanic. The different approaches to plants’ constitution, or ‘inner’ natures, depict the interrelationship between empiricism and natural history.

Original languageEnglish (US)
Title of host publicationStudies in History and Philosophy of Science(Netherlands)
PublisherSpringer Science and Business Media B.V.
Number of pages18
StatePublished - 2010
Externally publishedYes

Publication series

NameStudies in History and Philosophy of Science(Netherlands)
ISSN (Print)1871-7381
ISSN (Electronic)2215-1958

Bibliographical note

Publisher Copyright:
© 2010, Springer Science+Business Media B.V.


  • Early Modern Period
  • Natural History
  • Natural Mixts
  • Plant Project
  • Sulfurous Salt


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