sal ammoniac
Học thuậtThân thiện
Definition
- Noun:
- A white, crystalline salt: Sal ammoniac is a chemical compound, primarily ammonium chloride (NH₄Cl), appearing as a white, odorless, crystalline solid.
- Used in dry cells: Historically and in some specific applications, it is used as an electrolyte in certain types of dry cell batteries.
Usage Examples
- Noun:
- The alchemist carefully weighed the sal ammoniac on the scale.
- Some early battery designs relied on sal ammoniac as a key component.
Advanced Usage
- Historical and Industrial Context: Sal ammoniac has been known since antiquity and was historically produced from the soot of burning camel dung. It is used in metallurgy as a flux for soldering and tin-plating, and in chemistry as a source of ammonia.
- The artisan used sal ammoniac as a flux to clean the metal surface before soldering.
Variants and Related Words
- Ammonium Chloride (n): The systematic chemical name for sal ammoniac.
- Ammonium chloride is the modern term for the compound once known as sal ammoniac.
Synonyms
- Ammonium chloride: The direct chemical synonym.
- NH₄Cl: The chemical formula.
Noun
- a white salt used in dry cells