aqua regia
Pronunciation
  • IPA: /ˈɑː.kwə ˈɹeɪ.ɡi.ə/, /ˌækwə ˈɹiːdʒi.ə/, enPR: ăʹkwə-rēʹjē-ə
Noun

aqua regia (uncountable) (abbreviation A.R.)

  1. (inorganic chemistry) A mixture of three parts concentrated hydrochloric acid to one part concentrated nitric acid.
    • 2005, D.J. Krus, Elements of Propositional Calculus ↗
      Consider another example. 'If gold is placed in aqua regia then it dissolves.' Aqua regia is a mixture of nitric and hydrochloric acids that dissolves gold or platinum. Observation of gold dissolving in aqua regia (argument 1 1) lends credence to the above conditional statement.
      Not placing the gold into aqua regia and gold not dissolving (argument 0 0) does not disprove the truth-value of this conditional.
    Synonyms: aqua regis, nitro-hydrochloric acid
Related terms
  • regaline
Translations


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