Guncotton Henri Braconnot discovered in 1832 that nitric acid, when combined with starch or wood fibers, would produce a lightweight combustible explosive material which he named xyloïdine. A few years later, 1838 another French chemist Théophile-Jules Pelouze (teacher of Ascanio ...

Intoxicatiile cu Clor Amoniac + Etanol In cazul intoxicatiilor cu clor (0,02 mg Cl la un litru de aer provoaca deja o tuse puternica), se miroase o batista udata cu amoniac (10%) si etanol (96%), amestecate in parti egale. Bromul ajuns pe piele Benzen, benzina ...