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Thiosulphate

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Thiosulphate \Thi`o*sul"phate\, n. (Chem.)
   A salt of thiosulphuric acid; -- formerly called
   {hyposulphite}.

   Note: The sodium salt called in photography by the name
         sodium hyposulphite, being used as a solvent for the
         excess of unchanged silver chloride, bromide, and
         iodide on the sensitive plate.
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