The Properties of ozone


The physical properties of oxygen and ozone

Property Oxygen (O2) Ozone (O3)
Colour Gas: Colourless
Dissolved: Light blue
Gas: Blueish
Dissolved: Purple blue
(Consentration >20ppm)
Molecular mass  32 (g/mol)  48 (g/mol)
Boiling point  -183 °C  -112 °C
Density  1.429 kg/m3  2.144 kg/m3
Solubility in water (at 0°C)  0,049 0,64 
Rafefnafræðileg spenna  2,08 V 1,23 V

 

Half life of ozone vs. temperature

Gaseous     Dissolved in water
 Half life Temperature  Half life  Temperature
˜ 3 months  -50°C  ˜ 30 mín 15°C
 ˜ 18 days   -35°C  ˜ 20 mín 20°C
 ˜ 8 days   -25°C ˜ 15 mín  25°C
 ˜ 3 days     20°C  ˜ 12 mín  30°C
˜ 1,5 hours  120°C ˜ 8 mín 35°C
˜ 1,5 hours  250°C  ˜ 6mín 40°C



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