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Duration of the Phosphorescence of Fluorescein-Boric Acid-Samples at Different Temperatures

 

This video demonstrates that the duration of the phosphorescene of fluoresceine-boric acid-samples is dependent on the temperature. Three equal samples at different temperatures (− 70 °C, 20 °C und 80 °C ) are shown during irradiation and the duration of their phosphorescence afterwards.