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单词 cupric
释义

Definition of cupric in English:

cupric

adjective ˈkjuːprɪkˈkjuprɪk
Chemistry
  • Of copper with a valency of two; of copper(II).

    Compare with cuprous
    Example sentencesExamples
    • True verdigris is actually a coating of cupric carbonate formed by weathering on copper, brass and bronze from age.
    • These reactions depend on the ability of the reducing sugar to convert cupric sulfate to cuprous oxide with a resulting color change.
    • Without chromium, however, this alloy is vulnerable to corrosion attack in reducing acids when oxidizing salts such as ferric or cupric chloride are present, even in the parts-per-million range.
    • Briefly, the washed hair was digested in an alkaline solution, complexed by cysteine, urea, and cupric ion, then acidified with sulfuric acid.
    • The oxidizing fluxes usually include cupric oxide or manganese dioxide, which decompose at copper alloy melting temperatures to generate the oxygen required.

Origin

Late 18th century: from late Latin cuprum 'copper' + -ic.

 
 

Definition of cupric in US English:

cupric

adjectiveˈkjuprɪkˈkyo͞oprik
Chemistry
  • Of copper with a valence of two; of copper(II).

    Compare with cuprous
    Example sentencesExamples
    • These reactions depend on the ability of the reducing sugar to convert cupric sulfate to cuprous oxide with a resulting color change.
    • The oxidizing fluxes usually include cupric oxide or manganese dioxide, which decompose at copper alloy melting temperatures to generate the oxygen required.
    • Briefly, the washed hair was digested in an alkaline solution, complexed by cysteine, urea, and cupric ion, then acidified with sulfuric acid.
    • Without chromium, however, this alloy is vulnerable to corrosion attack in reducing acids when oxidizing salts such as ferric or cupric chloride are present, even in the parts-per-million range.
    • True verdigris is actually a coating of cupric carbonate formed by weathering on copper, brass and bronze from age.

Origin

Late 18th century: from late Latin cuprum ‘copper’ + -ic.

 
 
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更新时间:2024/11/11 0:02:52