xanthate
/'zænθeit/
Definition
- 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).
Noun
-
a salt or ester of xanthic acid
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