thiosulfuric acid

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English[edit]

Alternative forms[edit]

Etymology[edit]

thio- +‎ sulfuric acid

Noun[edit]

thiosulfuric acid ‎(uncountable)

  1. (inorganic chemistry) An unstable acid, H2S2O3, formally derived from sulfuric acid by the substitution of a sulfur atom in the place of an oxygen one; it is known only in solution or as its salts and esters, the thiosulfates.

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