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Edward Frankland (18 janvier 1825 - 9 août 1899) est un chimiste britannique passé à la postérité pour avoir dégagé la notion de valence chimique. Il a établi en outre de nouveaux protocoles pour contrôler la potabilité de l'eau .
Sir Edward Frankland (Churchtown, 18 gennaio 1825 – Gål å, 9 agosto 1899) è stato un chimico inglese. Biografia. Nacque a Churchtown, vicino a Lancaster. Dopo avere frequentato gli studi secondari alla Lancaster Royal Grammar School, ...
22. Juli 2022 · Edward Frankland : chemistry, controversy, and conspiracy in Victorian England by Russell, Colin Archibald. Publication date 1996 Topics Frankland, Edward, Sir , 1825-1899, Chemists -- Great Britain -- Biography Publisher Cambridge ; New ...
4. Apr. 2024 · Sir Edward Frankland (* 18. Januar 1825 in Churchtown bei Lancaster; † 9. August 1899 in Golaa, Gudbrandsdalen, Norwegen) war ein englischer ...
18. Jan. 2018 · Frankland’s proposed theory of valence was thus used to explain chemical bonding. This became the basis of modern structural chemistry, and posited Edward Frankland as one of the first investigators in this field. Discovering Helium. In October 1868, Frankland co-discovered the element helium (He) with English astronomer, Joseph Norman Lockyer.
1852 stellte der englische Chemiker Sir Edward Frankland fest, dass jedes Atom eine bestimmte Bindefähigkeit gegenüber anderen Atomen hat. Aus dieser Feststellung entstand der Begriff der Wertigkeit. In der modernen Chemie spielt der Begriff der Wertig ...
On This Day – January 18 : English chemist Edward Frankland was born on this day in 1825. Frankland introduced the theory of valence when he realised that atoms can only form a certain number of bonds to other atoms. He also co-discovered helium (He), pioneered organometallic chemistry, and was a leader in the field of water purification.
