xanthate

/'zænθeit/

Thân thiện

A chemist carefully adds potassium xanthate to a beaker of solution.

Definition

1. Noun:
   • A salt or ester of xanthic acid: In chemistry, a "xanthate" is a compound formed by the reaction of an alcohol with carbon disulfide in the presence of a base. It contains the chemical group -OCS₂⁻.

Usage Examples

• Noun:
  • Cellulose xanthate is a key intermediate in the production of viscose rayon.
  • The chemist synthesized a potassium xanthate for the flotation experiment.

Advanced Usage

• "Xanthate process": A method used in the mining industry, where xanthate salts are employed as collectors to separate certain minerals from ore via froth flotation.
  • The copper ore was concentrated using the xanthate process.

Variants and Related Words

• Xanthic acid (n): The unstable parent acid (HOCS₂H) from which xanthates are derived.
• Xanthation (n): The chemical process of introducing a xanthate group into a molecule, such as in the production of viscose.

Synonyms

• Dithiocarbonate: A more systematic chemical name for compounds in the xanthate family.

Related Phrases (Chemical Terminology)

• Xanthate ester: An organic compound where the xanthate group is bonded to an alkyl or aryl group.
  • The xanthate ester was used as a reversible addition-fragmentation chain-transfer (RAFT) agent in polymerization.
• Xanthate salt: An ionic compound containing a xanthate anion and a metal cation (e.g., sodium xanthate, potassium xanthate).

Học thuật

Noun

1. a salt or ester of xanthic acid