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  • History of chemistry

    “On a New Chemistry Theory” of Archibald Couper

    by Roberto Poeti 27 March 2020
    27 March 2020

                                  Introduction to the Essay “On a New Chemistry Theory” of Archibald Couper Archibald Scott Couper wrote in 1857 a note about his new chemical theory that was presented by Jean Baptiste Dumas at the French Academy and published in Comptes rendus. His presentation was followed by the publication of an essay entitled “Sur Une Nouvelle Theorie Chimique” in Annales …

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PROF. ROBERTO POETI

Hi, my name is Roberto Poeti , a former teacher . I decided to create this blog to continue the dialogue on Chemical Scienze, its history and its teaching and to share the experiences of my trips I’ve done now and in the distant past.
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  • Carbon monoxide CO: an exception to Kekulé’s fixed valence theory
  • Fixed or variable chemical valence of a element
  • A trip to UZBEKISTAN
  • Walden performs direct conversion between two enantiomers -Second Part
  • Stereochemistry: how the “Walden inversion” is discovered-First Part

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Roberto Poeti Chimica
  • History of chemistry
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