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词汇 acetic anhydride
释义

Definition of acetic anhydride in English:

acetic anhydride

noun
mass nounChemistry
  • The anhydride of acetic acid, a colourless pungent liquid used in making synthetic fibres.

    〔化〕乙酸酐,脱水醋酸

    Chemical formula: (CH₃CO)₂O

    Example sentencesExamples
    • Opium is turned into heroin through a refining process that requires the application of acetic anhydride, a chemical agent manufactured in Europe, Mexico and the US.
    • Nitration with nitric acid alone, or in combination with acetic acid, acetic anhydride, or sulfuric acid, are common examples of adding nitro functional groups to aromatic hydrocarbons.
    • Second, the alkaloid is refluxed with acetic anhydride for about five hours.
    • Thailand has vowed to control the movement of chemicals used in the production of amphetamines and heroin, including acetic anhydride and chloroform.
    • Following additional washes with PBT, the slides were treated for 10 min with acetic anhydride and triethanolamine-HCl to reduce background.

Definition of acetic anhydride in US English:

acetic anhydride

noun
Chemistry
  • The anhydride of acetic acid. It is a colorless pungent liquid, used in making synthetic fibers.

    〔化〕乙酸酐,脱水醋酸

    Chemical formula: (CH₃CO)₂O

    Example sentencesExamples
    • Following additional washes with PBT, the slides were treated for 10 min with acetic anhydride and triethanolamine-HCl to reduce background.
    • Second, the alkaloid is refluxed with acetic anhydride for about five hours.
    • Nitration with nitric acid alone, or in combination with acetic acid, acetic anhydride, or sulfuric acid, are common examples of adding nitro functional groups to aromatic hydrocarbons.
    • Thailand has vowed to control the movement of chemicals used in the production of amphetamines and heroin, including acetic anhydride and chloroform.
    • Opium is turned into heroin through a refining process that requires the application of acetic anhydride, a chemical agent manufactured in Europe, Mexico and the US.
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