Hyposulphite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hyposulphite \Hy`po*sul"phite\, n. (Chem.)
     (a) A salt of what was formerly called hyposulphurous acid; a
         thiosulphate. [Obs.]
     (b) A salt of hyposulphurous acid proper.
         [1913 Webster]



From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Thiosulphate \Thi`o*sul"phate\, n. (Chem.)
     A salt of thiosulphuric acid; -- formerly called
     {hyposulphite}.
     [1913 Webster]
  
     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.
           [1913 Webster]