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词汇 phosphine
释义

Definition of phosphine in English:

phosphine

noun ˈfɒsfiːnˈfɑsfin
mass nounChemistry
  • A colourless foul-smelling gaseous compound of phosphorus and hydrogen, analogous to ammonia.

    〔化〕膦;磷化氢

    Chemical formula: PH₃. It forms salts containing the phosphonium ion, PH₄⁺

    Example sentencesExamples
    • Since the explosion yesterday morning, which jammed a main cargo door shut, gases including hydrogen, phosphine and arsine, a derivative of arsenic, have started venting from the cargo hold.
    • The two main alternatives for methyl bromide in pesticides are ‘integrated commodity management’ and fumigation, which uses phosphine and carbon dioxide to kill the pests.
    • The suspected gasses in the SIDS deaths were; arsine from arsenic, phosphine from phosphorus, and stibine from the element antimony.
    • The inorganic compound phosphine is very similar to ammonia in its substitution reactions.
    • It is believed Sir Derek took aluminium phosphide, which creates the toxic gas phosphine when it comes into contact with moisture.

Origin

Late 19th century: from phospho- 'relating to phosphorus' + -ine4, on the pattern of amine.

Definition of phosphine in US English:

phosphine

nounˈfɑsfinˈfäsfēn
Chemistry
  • A colorless foul-smelling gaseous compound of phosphorus and hydrogen, analogous to ammonia, widely used as an insecticidal fumigant in agricultural products.

    〔化〕膦;磷化氢

    Chemical formula: PH₃. It forms salts containing the phosphonium ion, PH₄⁺

    Example sentencesExamples
    • The two main alternatives for methyl bromide in pesticides are ‘integrated commodity management’ and fumigation, which uses phosphine and carbon dioxide to kill the pests.
    • It is believed Sir Derek took aluminium phosphide, which creates the toxic gas phosphine when it comes into contact with moisture.
    • The suspected gasses in the SIDS deaths were; arsine from arsenic, phosphine from phosphorus, and stibine from the element antimony.
    • Since the explosion yesterday morning, which jammed a main cargo door shut, gases including hydrogen, phosphine and arsine, a derivative of arsenic, have started venting from the cargo hold.
    • The inorganic compound phosphine is very similar to ammonia in its substitution reactions.

Origin

Late 19th century: from phospho- ‘relating to phosphorus’ + -ine, on the pattern of amine.

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