请输入您要查询的英文单词:

 

单词 aqua regia
释义

Definition of aqua regia in English:

aqua regia

noun ˌakwə ˈriːdʒə
mass nounChemistry
  • A mixture of concentrated nitric and hydrochloric acids. It is a highly corrosive liquid able to attack gold and other resistant substances.

    〔化〕王水

    Example sentencesExamples
    • Some time before 1300, sulfuric acid was prepared, and alchemists created aqua regia, a mixture of sulfuric and nitric acids that is capable of dissolving gold, platinum, and many other materials.
    • Gold also resists attack by most acids but is soluble in aqua regia, a mixture of three parts hydrochloric acid and one part nitric acid.
    • Gold resists corrosion by air and most chemicals but can be dissolved in a mixture of nitric and hydrochloric acids, a solution called aqua regia because it dissolves the ‘king of metals’.
    • It is not attacked by most acids, although it does dissolve in aqua regia (a mixture of concentrated nitric acid and 3-4 parts of hydrochloric acid).
    • His method had two key innovations: he used aqua regia with the most effective molar ratio of hydrochloric to nitric acids; and the amount of aqua regia used was sufficient to dissolve only about half of the crude ore.

Origin

Early 17th century: Latin, literally 'royal water'.

Definition of aqua regia in US English:

aqua regia

noun
Chemistry
  • A mixture of concentrated nitric and hydrochloric acids. It is a highly corrosive liquid that will dissolve gold and other resistant substances.

    〔化〕王水

    Example sentencesExamples
    • His method had two key innovations: he used aqua regia with the most effective molar ratio of hydrochloric to nitric acids; and the amount of aqua regia used was sufficient to dissolve only about half of the crude ore.
    • Gold also resists attack by most acids but is soluble in aqua regia, a mixture of three parts hydrochloric acid and one part nitric acid.
    • It is not attacked by most acids, although it does dissolve in aqua regia (a mixture of concentrated nitric acid and 3-4 parts of hydrochloric acid).
    • Some time before 1300, sulfuric acid was prepared, and alchemists created aqua regia, a mixture of sulfuric and nitric acids that is capable of dissolving gold, platinum, and many other materials.
    • Gold resists corrosion by air and most chemicals but can be dissolved in a mixture of nitric and hydrochloric acids, a solution called aqua regia because it dissolves the ‘king of metals’.

Origin

Early 17th century: Latin, literally ‘royal water’.

随便看

 

英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/27 14:23:27