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单词 ammonium
释义

Definition of ammonium in English:

ammonium

nounəˈməʊnɪəməˈmoʊniəm
Chemistry
  • as modifier The cation NH₄⁺, present in solutions of ammonia and in salts derived from ammonia.

    〔化〕铵

    ammonium compounds
    ammonium sulphate
    Example sentencesExamples
    • These include things such as urea, ammonia, nitric acid, and ammonium phosphate.
    • And it contained the inorganic salts manganese sulphate, potassium chloride and ammonium sulphate.
    • In nickel plating, an electrolytic solution containing nickel ammonium sulfate may be used.
    • The perchloric acid then neutralises the alkali ammonia forming crystals of ammonium perchlorate salt.
    • Amides are hydrolysed to ammonium salts with catalysis by acids or alkalis.

Origin

Early 19th century: from ammonia + -ium.

Rhymes

euphonium, harmonium, pandemonium, pelargonium, plutonium, polonium, zirconium

Definition of ammonium in US English:

ammonium

nounəˈmōnēəməˈmoʊniəm
Chemistry
  • as modifier The cation NH₄⁺, present in solutions of ammonia and in salts derived from ammonia.

    〔化〕铵

    ammonium compounds
    ammonium sulfate
    Example sentencesExamples
    • These include things such as urea, ammonia, nitric acid, and ammonium phosphate.
    • The perchloric acid then neutralises the alkali ammonia forming crystals of ammonium perchlorate salt.
    • In nickel plating, an electrolytic solution containing nickel ammonium sulfate may be used.
    • Amides are hydrolysed to ammonium salts with catalysis by acids or alkalis.
    • And it contained the inorganic salts manganese sulphate, potassium chloride and ammonium sulphate.

Origin

Early 19th century: from ammonia + -ium.

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更新时间:2025/6/20 10:33:52