Chemical elements
  Silver
    Isotopes
    Energy
    Production
    Application
    Physical Properties
    Chemical Properties
      Silver fluoride
      Silver subfluoride
      Silver chloride
      Silver subchloride
      Photohalides
      Silver bromide
      Silver oxybromide
      Silver subbromide
      Silver iodide
      Silver hypochlorite
      Silver chlorite
      Silver chlorate
      Silver perchlorate
      Silver bromate
      Silver perbromate
      Silver iodate
      Silver periodates
      Silver suboxide
      Silver monoxide
      Higher oxides
      Silver subsulphide
      Silver sulphide
      Silver sulphite
      Silver sulphate
      Silver selenide
      Silver telluride
      Silver thiosulphate
      Silver dithionate
      Silver azide
      Silver hyponitrite
      Silver nitrite
      Silver nitrate
      Silver phosphides
      Silver hypophosphate
      Silver orthophosphate
      Silver pyrophosphate
      Silver metaphosphate
      Silver arsenite
      Silver arsenate
      Silver carbide
      Silver carbonate
      Silver cyanide
      Silver thiocyanate
      Silver borate
    PDB 1aoo-3kso

Silver thiosulphate, Ag2S2O3






Precipitation of a solution of sodium thiosulphate with Silver nitrate yields the Silver thiosulphate, Ag2S2O3, as a white precipitate of sweetish taste. It dissolves in solutions of other thiosulphates, forming double salts. As examples of such salts isolated from solutions of silver chloride in thiosulphates may be cited Ag2S2O3,2Na2S2O3,2H2O, leaflets of silk-like lustre, readily soluble in water; Ag2S2O3,Na2S2O3,H2O, small, hard, columnar crystals of slight solubility and sweet taste; Ag2S2O3,3K2S2O3,2H2O; Ag2S2O3,(NH4)2S2O3, columnar crystals of intensely sweet taste. A double salt of the formula 3Ag2S2O3,5K2S2O3 crystallizes in prismatic needles from a solution of Silver nitrate and sodium thiosulphate on addition of potassium carbonate. Additive compounds of this type, and others with ammonia, have been exhaustively studied by Jonsson.


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