• Thumbnail for Ammonium dichromate
    acts as the photoactive site. The volcano demonstration involves igniting a pile of the salt, which initiates the following exothermic conversion:- (NH 4)...
    12 KB (1,069 words) - 16:40, 15 September 2024
  • Thumbnail for History of the battery
    cell was also known as the 'chromic acid cell', but principally as the 'bichromate cell'. This latter name came from the practice of producing the chromic...
    37 KB (4,666 words) - 01:23, 26 November 2024
  • printing was initially in monochrome. The basic underlying principle is that bichromate development of a silver gelatine photographic emulsion (not strictly a...
    9 KB (1,425 words) - 01:25, 7 September 2024
  • Wallace-Crabbe (play) - Ingeborg Hansen (typography) - Virginia Wallace-Crabbe (bichromate photographs) - Phil Day (lino cut paper masks) Pandora’s Cat (2000) -...
    20 KB (2,159 words) - 16:04, 12 April 2024
  • predominantly in non-silver processes, particularly carbro, bromoil, and gum bichromate, and on a variety of paper surfaces. Heavy manipulation of the negative...
    29 KB (3,917 words) - 19:05, 8 February 2024