Difference between revisions of "Fuming"
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* '''[[Hydrochloric acid]]''' fumes when in high concentrations; the fumes consist of the acid itself and are formed when hydrogen chloride gas that escapes the solution combines itself with water vapor found in air. The fumes have a characteristic smell of hydrogen chloride. | * '''[[Hydrochloric acid]]''' fumes when in high concentrations; the fumes consist of the acid itself and are formed when hydrogen chloride gas that escapes the solution combines itself with water vapor found in air. The fumes have a characteristic smell of hydrogen chloride. | ||
* '''[[Sulfuric acid]]''' does not fume at room temperature, but is known to fume when hot. The fumes are a mixture of sulfuric acid droplets and sulfur oxides. The fumes do not have a strong smell but pose a potent choking hazard. | * '''[[Sulfuric acid]]''' does not fume at room temperature, but is known to fume when hot. The fumes are a mixture of sulfuric acid droplets and sulfur oxides. The fumes do not have a strong smell but pose a potent choking hazard. | ||
| + | ** '''[[Oleum]]''' produces fumes similar to those of hot sulfuric acid, however, it fumes profusely even when cold. | ||
* '''[[Nitric acid]]''' fumes at high concentrations. The fumes have a characteristic smell of nitric acid. | * '''[[Nitric acid]]''' fumes at high concentrations. The fumes have a characteristic smell of nitric acid. | ||
Revision as of 08:33, 7 April 2017
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Fuming is a phenomenon displayed by certain liquids. It manifests in visible fumes, consisting of droplets of fog appearing when the liquid contacts air. Fumes are usually corrosive and/or toxic.
Specific fuming liquids
- Hydrochloric acid fumes when in high concentrations; the fumes consist of the acid itself and are formed when hydrogen chloride gas that escapes the solution combines itself with water vapor found in air. The fumes have a characteristic smell of hydrogen chloride.
- Sulfuric acid does not fume at room temperature, but is known to fume when hot. The fumes are a mixture of sulfuric acid droplets and sulfur oxides. The fumes do not have a strong smell but pose a potent choking hazard.
- Oleum produces fumes similar to those of hot sulfuric acid, however, it fumes profusely even when cold.
- Nitric acid fumes at high concentrations. The fumes have a characteristic smell of nitric acid.
