Thiosulfate

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thiosulfate

[¦thī·ə′səl‚fāt]
(inorganic chemistry)
M2S2O3 A salt of thiosulfuric acid and a base; for example, reaction of sodium hydroxide and thiosulfuric acid to produce sodium thiosulfate.

Thiosulfate

 

a salt of thiosulfuric acid, H2S2O3. The thiosulfates of alkali and alkaline earth metals (except Ba), as well as those of ammonium, zinc, and cadmium, are freely soluble in water. Sodium thiosulfate is of the greatest practical value.