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persulfuric acid

[pur-suhl-fyoo r-ik, pur-]
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noun Chemistry.
  1. Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H2SO5, used as an oxidizing agent for certain organic compounds.
  2. Also called peroxydisulfuric acid. a white, crystalline solid, H2S2O8, used in the manufacture of hydrogen peroxide.
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Origin of persulfuric acid

First recorded in 1880–85; per- + sulfuric
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018