PURPOSE: To demonstrate fluorescence of a normal material at LN temperature.
DESCRIPTION: The material does not fluoresce at room temperature. When cooled to the temperatureof liquid nitrogen it will fluoresce when illuminated with ultraviolet light.
SUGGESTIONS:
REFERENCES: (PIRA unavailable.)
EQUIPMENT: Dewar with liquid nitrogen, fluorescent material, black light.
SETUP TIME: 5 min.
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