Material Science/ Solid State Chemistry- Thermoluminescent Sodium Chloride

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