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单词 acetone
释义

Definition of acetone in English:

acetone

noun ˈasɪtəʊnˈæsəˌtoʊn
mass nounChemistry
  • A colourless volatile liquid ketone made by oxidizing isopropanol, used as an organic solvent and synthetic reagent.

    Alternative name: propanone; chemical formula: CH₃COCH₃

    Example sentencesExamples
    • Flasks and bottles full of nitrates and sulphides and chlorates and acetone, labelled in English and Arabic, lay on dirty tables.
    • These may contain solvents such as toluene, isopropryl alcohol, ethyl and butyl acetates, acetone and other ketones.
    • Dyes using acetone or alcohol solvents can be diluted with water also.
    • The masterminds of the bootleg scam evaded excise duty by substituting potable alcohol with industrial solvents such as acetone.
    • The literature cites the use of ether, chloroform, acetone and mineral oil as possible options.
    • An alternate method to remove lacquer is to rub with a cloth saturated with acetone or alcohol.
    • It was transporting iso-propyl acetone, better known as waste alcohol, which is a highly flammable substance.
    • Finally, the drugs are recovered by using industrial solvents, such as acetone, ether, or chloroform.
    • Shop dirt, oil and grease can be removed by either vapor degreasing or swabbing with acetone or another nontoxic solvent.
    • Nakayama used acetone, a solvent, to extract the resin from guayule bagasse.
    • Nail polish remover is made from acetone and ethyl acetate, which can irritate your eyes, nose, and throat.
    • The paint spray workshop also contained two acetylene cylinders, two oxygen cylinders and two propane bottles as well as chromic acid and acetone.
    • Ketones are extensively used as solvents, with acetone being the most well known example.
    • Store flammable liquids such as gasoline, acetone, benzene, and lacquer thinner in approved safety cans, away from the home.
    • If acetone is splashed in the eyes, irritation or damage to the cornea will result.
    • Filtered cells were washed by centrifugation, twice with acetone and twice with diethyl ether.
    • The irony is that the German breweries rendered idle by Pasteur's strategy were adapted to manufacture acetone for cordite production.
    • Some patients can benefit from other techniques, including topical capsaicin and topical application of aspirin suspended in a volatile substance such as acetone.
    • Solvents permitted in the UK for extraction include acetone, hexane, ethyl acetate, ethyl alcohol, and carbon dioxide.
    • The supernatant was removed and stored and the pellets extracted with 100% acetone until they were colourless.

Origin

Mid 19th century: from acetic acid + -one.

 
 

Definition of acetone in US English:

acetone

nounˈæsəˌtoʊnˈasəˌtōn
Chemistry
  • A colorless volatile liquid ketone made by oxidizing isopropanol, used as an organic solvent and synthetic reagent.

    Chemical formula: CH₃COCH₃

    Example sentencesExamples
    • Shop dirt, oil and grease can be removed by either vapor degreasing or swabbing with acetone or another nontoxic solvent.
    • Flasks and bottles full of nitrates and sulphides and chlorates and acetone, labelled in English and Arabic, lay on dirty tables.
    • It was transporting iso-propyl acetone, better known as waste alcohol, which is a highly flammable substance.
    • The irony is that the German breweries rendered idle by Pasteur's strategy were adapted to manufacture acetone for cordite production.
    • Dyes using acetone or alcohol solvents can be diluted with water also.
    • The masterminds of the bootleg scam evaded excise duty by substituting potable alcohol with industrial solvents such as acetone.
    • Solvents permitted in the UK for extraction include acetone, hexane, ethyl acetate, ethyl alcohol, and carbon dioxide.
    • Finally, the drugs are recovered by using industrial solvents, such as acetone, ether, or chloroform.
    • Filtered cells were washed by centrifugation, twice with acetone and twice with diethyl ether.
    • Store flammable liquids such as gasoline, acetone, benzene, and lacquer thinner in approved safety cans, away from the home.
    • The supernatant was removed and stored and the pellets extracted with 100% acetone until they were colourless.
    • Nakayama used acetone, a solvent, to extract the resin from guayule bagasse.
    • Nail polish remover is made from acetone and ethyl acetate, which can irritate your eyes, nose, and throat.
    • If acetone is splashed in the eyes, irritation or damage to the cornea will result.
    • An alternate method to remove lacquer is to rub with a cloth saturated with acetone or alcohol.
    • The literature cites the use of ether, chloroform, acetone and mineral oil as possible options.
    • The paint spray workshop also contained two acetylene cylinders, two oxygen cylinders and two propane bottles as well as chromic acid and acetone.
    • Ketones are extensively used as solvents, with acetone being the most well known example.
    • Some patients can benefit from other techniques, including topical capsaicin and topical application of aspirin suspended in a volatile substance such as acetone.
    • These may contain solvents such as toluene, isopropryl alcohol, ethyl and butyl acetates, acetone and other ketones.

Origin

Mid 19th century: from acetic acid + -one.

 
 
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更新时间:2024/11/11 5:51:15