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词汇 haloform
释义

Definition of haloform in English:

haloform

nounˈheɪləʊfɔːmˈhaləˌfôrm
Chemistry
  • A compound derived from methane by substituting three hydrogen atoms by halogen atoms, e.g. chloroform.

    〔化〕三卤甲烷,卤仿

    as modifier haloform reaction
    Example sentencesExamples
    • In a haloform reaction with iodine, bromine, or chlorine, methyl ketones are converted into the corresponding carboxylic acid and haloform.
    • Next to chloroform mixed haloforms will be produced if bromide or iodide is present in the water.
    • Primarily the volatile haloforms such as chloroform, but also dichlorobromomethane, chlorodibromomethane and bromoforme, are suspected of being harmful to health, some even carcinogenic.
    • Removal of dissolved haloforms generally requires aeration, which also removes substantial quantities of the chlorine.
    • The production of haloforms in drinking water as a result of the reaction between organic carbon compounds and hypochlorous acid is a serious drinking water quality issue.

Origin

1930s: from halogen, on the pattern of chloroform.

Definition of haloform in US English:

haloform

nounˈhaləˌfôrm
Chemistry
  • A compound derived from methane by substituting three hydrogen atoms for halogen atoms, e.g., chloroform.

    〔化〕三卤甲烷,卤仿

    as modifier haloform reaction
    Example sentencesExamples
    • Primarily the volatile haloforms such as chloroform, but also dichlorobromomethane, chlorodibromomethane and bromoforme, are suspected of being harmful to health, some even carcinogenic.
    • Next to chloroform mixed haloforms will be produced if bromide or iodide is present in the water.
    • Removal of dissolved haloforms generally requires aeration, which also removes substantial quantities of the chlorine.
    • In a haloform reaction with iodine, bromine, or chlorine, methyl ketones are converted into the corresponding carboxylic acid and haloform.
    • The production of haloforms in drinking water as a result of the reaction between organic carbon compounds and hypochlorous acid is a serious drinking water quality issue.

Origin

1930s: from halogen, on the pattern of chloroform.

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