Materia photographica : a treatise on the manufacture, properties, and uses of the substances employed in photography (1891)
Leaper, Clement J · London : Iliffe · leaf 53
6H5N02+Fe3 + 6HCl = C6H5NH2 + 3FeCl2 + 2H20. (b.) C6H5N02 + 6FeCl.2 + 6HCl = C6H5NH2 + 3Fe2Cl6 + 2H20. An excess of slaked lime is finally added to convert the volatile ferric chloride into non-volatile calcium chloride and ferric hydroxide, and high pressure steam is blown in when water and anilin… … with four fluid ounces of strong hydrochloric acid. Two ounces of nitro-benzene are then added, in small quantities at a time,
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
