Biography:Stanislas Sorel

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Short description: French chemist who invented galvanic protection of steel and a magnesium-based cement

Stanislas Sorel (born 1803, Putanges, France; died 18 March 1871, Paris) was a French chemist, raised the son of a poor clock-maker.[1][2]

Sorel filed a patent on 10 May 1837 for a "galvanic" method of protecting iron from rust by either coating it in a bath of molten zinc or by covering it with galvanic paint. This was the precursor of modern hot-dip galvanizing.

In 1857, Sorel patented a new type of paint based on zinc oxychloride and much less toxic than the then currently used lead-based paints containing ceruse, a basic carbonate of lead.[3]

In 1867, Sorel made a new form of cement from a combination of magnesium oxide and magnesium chloride, which had a remarkable capacity to bond with and contain other materials.[4] Sorel cement as it is known has been used for grindstones, tiles, artificial stone and even artificial ivory (e.g. for billiard balls). It is stronger than the more usual Portland cement.

See also

References

  1. ↑ Beach, Alfred Ely (1871). Stanislas Sorel. Sci. Am, 25, 151.
  2. ↑ Beach, Alfred Ely (1872). The Science Record. Munn. pp. 382. https://archive.org/details/sciencerecordcom1874beac. 
  3. ↑ Spennemann, Dirk H. R. (2020). "Stanislas Sorel’s zinc-based paints". Transactions of the IMF 98 (1): 8–13. doi:10.1080/00202967.2020.1698858. ISSN 0020-2967. 
  4. ↑ Stanislas Sorel (1867). "Sur un nouveau ciment magnésien". Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences, volume 65, pages 102–104.

Further reading

  • White, Alfred Holmes (1948). Engineering Materials. McGraw-Hill. 
  • Sorel S. (1838). Procédé de préparation du fer dit galvanisé pour le préserver de l'oxidation. Archives des découvertes et des inventions nouvelles, 264–266.
  • Sorel S. (1858). Peinture à base d'oxychlorure de zinc. Le Génie Industriel, 15(90), 327–328.
  • Sorel S. (1858). Note sur un nouveau procédé pour la peinture à l'oxychlorure de zinc. Bulletin de la Société d'Encouragement pour l'Industrie Nationale, 57, 231–232.
  • Sorel S. (1857). New chemical compositions producing either house paintings, cement, or plastic paste to be moulded. Being Patent Number: 1710, published 19 June 1857. London: Eyre and Spottiswood; 1857.
  • Société Sorel et Laissement (1859). Peinture Sorel à l'oxychlorure de zinc. La Presse, 1859 Jul 20.





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