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Fluorescent Dyes Demonstration


Color is a result of the interaction of light with matter. The color that a solution appears to the human eye can change depending on the nature of the light source used to illuminate it. In this demonstration, four solutions that appear one color under visible light will “change” colors when exposed to an ultraviolet (black) light.


  • Fluorescence
  • Transmittance
  • Absorbance
  • Emission
  • Dyes