Claude-Francois Geoffrey (b. 1729, Paris - † June 18, 1753, Paris) - French pharmacist and chemist . Discovered the chemical element Bismuth .
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Biography
Claude-Francois Geoffrey was the son of Claude-Joseph Geoffrey and Maria Denis, niece of Jean Hellot. He received a classical education, after which he took up pharmaceuticals with his father, an academician of the French Academy of Sciences .
Since 1747, registered with the registration office of pharmacy owners, and receives the right to manage in 1748. Geoffrey later inherited a family pharmacy from his father and serves as a pharmacist in a city hospital. In a competition for membership in the Academy of Sciences , he lectured on Bismuth and wrote three notifications of chemical analysis of this element. Elected member of the French Academy of Sciences July 29, 1752.
In March 1753, Claude-Francois Geoffrey presented his work to the Academy of Sciences: fr. Analyse chimique du bismuth de laquelle il résulte une analogie entre le plomb et ce semi-métal , in which he draws an analogy between Lead and Bismuth. In this work, he also indicated that he was going to conduct further studies of the element, however, premature death did not allow him to carry out the planned. [2]
Notes
- ↑ 1 2 Committee of Historical and Scientific Works - 1834.
- ↑ Histoire de l'Académie royale des sciences, année 1753, section “Mémoires”, Paris, 1757, Art. 296-312. These notes were read during the session March 14-17, 1753, on the topic "Premier mémoire on problems" in which he concludes: "In the following notes, I will explore this analogy using the effect of various acids and salts on them.