Thermoluminescent Sodium Chloride
Description: When ordinary table salt is heavily gamma-irradiated, it turns brown. When this salt is placed on a hotplate in the dark, it gives off flashes of light. When lights are turned on, the salt is colorless.
Source: Chem13 News #189; November
Year: 1989 Vol: 189 Page: 4
Keywords: Table salt, Gamma-Irradiated, Heat, Emission
Rating: 
Hazard: Some
- Burn hazard
- Electric shock hazard
Effectiveness: Average
- Observable with guidance
- System contrast is noticeable
- Good reliability
- Time to results is low
- Primary observations
Difficulty: Low
- Simple manipulations for most to perform
- Simple procedures
Safety Precautions:
- Hot gloves required
- Eye protection required
- Use of UL approved three-prong grounded plug and outlet
Class: Atomic Structure, Atomic Emission, Solid State Chemistry, Nuclear Chemistry, Quantum Mechanics and Spectroscopy
Division: General, Material Science Chemistry, Physical Chemistry
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