The vitamin C clock reaction

• Stephen W. Wright ^[1]
  1. [1] San Jaoquin delta College, United States
• Localización: Journal of chemical education, ISSN 0021-9584, Vol. 79, Nº 1, 2002, pág. 41
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • An iodine clock reaction that gives a colorless to black result similar to that of the familiar Landolt iodate-bisulfite clock reaction is described. The vitamin C clock reaction uses chemicals that are readily available on the retail market: vitamin C, tincture of iodine, 3% hydrogen peroxide, and laundry starch. Orange juice may be used as the vitamin C source to give an orange to black reaction..