from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See sodium thiosulfate.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The SO22- oxyanion; any salt containing this ion
  • n. The thiosulfate anion and salts


Sorry, no etymologies found.


  • Color removers, manufactured by dye manufacturers, contain sodium hydrosulfite Na2S2O4—also called “sodium hyposulfite”.


  • Measure 10 c.c. of the clear liquid and add 20 c.c. of a 10\% solution of potassium iodide, 2 c.c. of acetic acid or hydrochloric acid, then put drop by drop into the mixture a decinormal solution of sodium hyposulfite (2. 48\%) until decoloration.

    A Journey Through France in War Time

  • The number "N" of cubic centimeters of hyposulfite employed multiplied by 1,775 will give the weight "N" of active chloride contained in 100 grammes of chloride of lime.

    A Journey Through France in War Time

  • (first paper negative, first photograph, on metal) Joseph Nicéphore Niepce, France, 1816-1827; (discovery of fixative powers of hyposulfite of soda)



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