Colin, Jean-Jacques

In 1814 Jean-Jacques Colin and Henri-Frangois Gaultier de Claubry, professor of toxicology at the School of Pharmacy in Paris, described the blue substance produced when free iodine acts on starch, and studied the effects of temperature and of sulfurous acid, hydrogen sulfide, and other reagents on this reaction (131). In the same year Friedrich Stromeyer first applied this starch reaction to analytical chemistry and was able to detect as little as one part of iodine in 350,000 to 450,000 parts... 

Jean Jacques Colin (Riom, Puy de Dome, 16 December 1784-Lavaine, Puy de Dome, 9 March 1865), who collaborated with Robiquet, was professor in Dijon and the St.-Cyr Military Academy. He published on fermentation, vegetable colours, etc. Pierre Joseph Pelletier (Paris 22 March 1788-19 July 1842), second son of Bertrand Pelletier (see Vol. Ill, p. 566), was a Paris apothecary who taught in the ficole de Pharmacie. Jean Bienaime Caventou (St. Omer, 30 June 1795-Paris, 5 May 1877), a Paris apothecary and professor of toxicology in the ficole de Pharmacie, also worked on calculi. ... 

Jean Mayer, Diderot, homme de science (Rennes Bretonne, 1959) Jacques Roger, Les sciences de la vie dans la pensee frangaise du XVIIIe siecle la genira-tion des animaux de Descartes a VEncyclopedie (Paris A. Colin, 1963) Aram Vartanian, Science and Humanism in the French Enlightenment (Rookwood, 1999), 92-179. 

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