亜あリン酸さん

noun, noun which may take the genitive case particle 'no'

phosphonic acid; phosphorous acid

Chemical term for H₃PO₃. In modern IUPAC nomenclature, 'phosphonic acid' is preferred, but 'phosphorous acid' is still widely used in older literature and some contexts. Compare with ホスホン酸, which may refer to organophosphonic acids.

See also: ホスホン酸

• 亜あリン酸さんは還かん元げん剤ざいとして使つかわれることがある。

  Phosphonic acid is sometimes used as a reducing agent.

• この反はん応のうでは亜あリン酸さんエステルが生せい成せいする。

  In this reaction, a phosphonic acid ester is produced.