aluminum hydroxide
Học thuậtThân thiện
Definition
Noun 1. A white crystalline compound: A chemical substance with a white, crystalline appearance, which is the principal form of aluminum found in nature. 2. A naturally occurring mineral (gibbsite): The specific mineral form of this compound, commonly found in bauxite ore.
Usage
Aluminum hydroxide is used primarily as a technical term in chemistry, geology, and industrial manufacturing. - It is the raw material for producing aluminum metal. - It is used as an antacid to relieve heartburn and indigestion. - It is a common ingredient in vaccines as an adjuvant to enhance the immune response.
Examples
- Scientific Context:
- Bauxite is refined to extract aluminum hydroxide.
- The chemical formula for aluminum hydroxide is Al(OH)₃.
- Medical/Commercial Context:
- This antacid tablet contains aluminum hydroxide and magnesium hydroxide.
- The vaccine uses aluminum hydroxide as an adjuvant.
Advanced Usage
- "Aluminum hydroxide gel": A viscous form used in pharmaceuticals and as a flame retardant.
- The aluminum hydroxide gel is stabilized for use in antacid suspensions.
Variants and Related Words
- Gibbsite (n): The specific mineral form of aluminum hydroxide.
- Gibbsite is one of the main components of bauxite.
- Aluminium hydroxide (n): The British English spelling variant.
- Al(OH)₃ (n): The chemical formula.
Synonyms
- Alumina trihydrate (technical/industrial term)
- ATH (common abbreviation in industry)
Notes
Aluminum hydroxide is amphoteric, meaning it can react with both acids and bases. In its activated form, it is a key adsorbent and filtering medium.
Noun
- white crystalline compound that occurs naturally as the mineral gibbsite