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Raoul Pictet

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Covid-19
Nationality  Swiss
Role  Physicist
Fields  Physics
Known for  Liquid nitrogen

Notable awards  Davy Medal
Name  Raoul Pictet
Institution  University of Geneva
Raoul Pictet httpsuploadwikimediaorgwikipediacommonsthu
Born  4 April 1846 Geneva (1846-04-04)
Died  July 27, 1929, Paris, France
Similar People  Louis Paul Cailletet, James Dewar, Heike Kamerlingh Onnes, Horace‑Benedict de Saussure, Robert Owen

Institutions  University of Geneva

Raoul-Pierre Pictet (4 April 1846 – 27 July 1929) was a Swiss physicist and the first person to liquefy nitrogen.

Contents

Raoul Pictet httpsuploadwikimediaorgwikipediacommonsee

Biography

Pictet was born in Geneva and served as professor in the university of that city. He devoted himself largely to problems involving the production of low temperatures and the liquefaction and solidification of gases.

On December 22, 1877, the Academy of Sciences in Paris received a telegram from Pictet in Geneva reading as follows: Oxygen liquefied to-day under 320 atmospheres and 140 degrees of cold by combined use of sulfurous and carbonic acid. This announcement was almost simultaneous with that of Cailletet who had liquefied oxygen by a completely different process.

Pictet died in Paris in 1929.

Works

  • Mémoire sur la liquéfaction de l'oxygène, la liquéfaction et la solidification de l'hydrogène et sur les théories des changements des corps (1878)
  • Synthèse de la chaleur (1879)
  • Nouvelles machines frigorifiques basées sur l'emploi de phénomènes physicochimiques (1895)
  • Étude critique du matérialisme et du spiritualisme par la physique expérimentale (1896)
  • L'acétylène (1896)
  • Le carbide (1896)
  • Zur mechanischen Theorie der Explosivstoffe (1902)
  • Die Theorie der Apparate zur Herstellung flüssiger Luft mit Entspannung (1903)
  • Pictet, Raoul; Cellérier, Gustave. Méthode générale d'intégration continue d'une fonction numérique quelconque...
  • References

    Raoul Pictet Wikipedia


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