sulfur hexafluoride
Học thuậtThân thiện
A scientist carefully releases a small amount of sulfur hexafluoride into a beaker of water.
Definition
- Noun:
- A colorless, inert gas: Sulfur hexafluoride is a chemical compound consisting of one sulfur atom and six fluorine atoms (SF₆). It is non-toxic, odorless, and colorless in its pure state.
- An electrical insulator: It is widely used as a dielectric medium and arc-quenching gas in high-voltage electrical equipment, such as circuit breakers and switchgear.
- A potent greenhouse gas: It is an extremely effective insulator of infrared radiation, making it a powerful, long-lived greenhouse gas with a high global warming potential.
Usage Examples
- Noun:
- The technician checked the levels of sulfur hexafluoride in the circuit breaker.
- Scientists are monitoring atmospheric concentrations of sulfur hexafluoride due to its climate impact.
- The inert properties of sulfur hexafluoride make it ideal for certain medical applications.
Advanced Usage
- "SF₆": This is the standard chemical formula and a common abbreviation for sulfur hexafluoride.
- Regulations are being developed to manage emissions of SF₆.
- "SF₆ gas": A frequent collocation specifying the gaseous state.
- The chamber was filled with SF₆ gas for insulation.
Variants and Related Words
- Sulphur hexafluoride (noun): An alternative British English spelling.
- Dielectric gas (noun): A general term for insulating gases, a category which includes sulfur hexafluoride.
- Greenhouse gas (noun): A class of gases to which sulfur hexafluoride belongs due to its radiative properties.
Synonyms
- SF₆: (The chemical formula used as a synonym in technical contexts).
- Elegas: (A historical trade name, now less common).
Related Phrases
- SF₆ emissions: Releases of the gas into the atmosphere.
- Reducing SF₆ emissions is a priority for the power industry.
- SF₆ handling procedure: A set of safety and containment protocols.
- All engineers must be trained in proper SF₆ handling procedures.
A scientist carefully releases a small amount of sulfur hexafluoride into a beaker of water.
Noun
- a colorless gas that is soluble in alcohol and ether; a powerful greenhouse gas widely used in the electrical utility industry