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| Property | Ozone | vs. Oxygen |
| Molecular Formula: | O3 | O2 |
| Molecular Weight: | 48 | 32 |
| Color: | light blue | colorless |
| Smell: | - clothes after being outside on clothesline - photocopy machines - smell after lightning storms |
- odorless |
| Solubility in Water (@ O-deg C): | 0.64 | 0.049 |
| Density (g/l): | 2.144 | 1.429 |
| Electrochemical Potential, V: | 2.07 | 1.23 |
Typical O3 half-life vs. Temperature |
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Gaseous
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Dissolved
in Water (pH 7)
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* These values are based on thermal decomposition only. No wall effects, humidity, organic loading or other catalytic effects are considered. |
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The solubility of ozone depends on the water temperature and the ozone concentration in the gas phase: Units in mg/l or ppm.
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O3 GAS |
5o C |
10o C |
15o C |
20o C |
|
1.5% |
11.09 |
9.75 |
8.40 |
6.43 |
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2% |
14.79 |
13.00 |
11.19 |
8.57 |
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3% |
22.18 |
19.50 |
16.79 |
12.86 |
Solubility of Ozone in Water Chart
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Ozone Properties: