tungstate

/'tʌɳsteit/

Thân thiện

A student examines a tungstate crystal under a bright lamp.

Definition

1. Noun:
   • A salt of tungstic acid: A chemical compound formed when tungstic acid reacts with a base or basic oxide, containing the tungstate anion (WO₄²⁻ or related polymeric forms).

Usage Examples

• Noun:
  • Calcium tungstate is a common mineral.
  • The chemist synthesized a sodium tungstate solution for the experiment.
  • Tungstates are often used as catalysts in industrial processes.

Advanced Usage

• "Polytungstate": A complex anion formed by the condensation of tungstate units, often found in isopoly- and heteropoly acids.
  • The researcher studied the structure of a phosphotungstate anion.
• "Metatungstate": A specific type of tungstate ion with a defined polymeric structure.
  • Ammonium metatungstate is a common precursor for tungsten compounds.

Variants and Related Words

• Tungstic (adj): Relating to or containing tungsten, especially in a high valence state.
  • Tungstic oxide is a yellow powder.
• Tungsten (n): The metallic element (symbol W, atomic number 74) from which tungstates are derived.
• Wolframate (n): A synonym for tungstate, derived from the alternative name for tungsten, wolfram.

Synonyms

• Wolframate: (Chemistry) An alternative name for a tungstate salt.

Notes on Different Meanings

The term tungstate has a single, specific meaning in inorganic chemistry. It does not have common idiomatic or phrasal verb uses. Its usage is confined to scientific and technical contexts describing salts and anions containing tungsten and oxygen.

Học thuật

Noun

1. a salt of tungstic acid