phosphoric acid
Học thuậtThân thiện
Definition
- Noun:
- A specific inorganic acid: Phosphoric acid is a colorless, odorless, crystalline liquid or solid. Its chemical formula is H₃PO₄.
- An industrial chemical: It is a compound widely used in the production of fertilizers, detergents, food additives, and other chemicals.
Examples of Usage
- Noun:
- Phosphoric acid is a key ingredient in many soft drinks.
- The laboratory ordered a new shipment of phosphoric acid for the experiments.
- Farmers rely on fertilizers containing phosphoric acid.
Advanced Usage
- Technical/Industrial Context: In chemistry and manufacturing, "phosphoric acid" specifically refers to the orthophosphoric acid molecule (H₃PO₄) and its aqueous solutions.
- The concentration of phosphoric acid in the solution was carefully measured.
Variants and Related Words
- Phosphate (n): A salt or ester of phosphoric acid, containing the phosphate ion (PO₄³⁻).
- Calcium phosphate is important for bone health.
- Phosphorous (adj): Relating to or containing phosphorus, especially with a valence of three. (Note: This is different from "phosphoric," which relates to a higher valence state).
- Orthophosphoric Acid (n): Another name for phosphoric acid (H₃PO₄), used to distinguish it from other phosphoric acids like pyrophosphoric acid.
Synonyms
- Orthophosphoric acid: The systematic chemical name.
- E338: Its food additive code when used as an acidity regulator.
Related Phrases and Compounds
- Phosphoric acid ester: A compound formed by the reaction of phosphoric acid with an alcohol.
- Phosphoric acid rock: A term sometimes used for phosphate rock, the raw material used to produce phosphoric acid.
Noun
- an acid used in fertilizers and soaps: H3PO4