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sodium thiosulphate

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
sodium thiosulphate
n
(Chemistry / Elements & Compounds) a white soluble substance used, in the pentahydrate form, in photography as a fixer to dissolve unchanged silver halides and also to remove excess chlorine from chlorinated water. Formula: Na2S2O3 Also called (not in technical usage) sodium hyposulphite hypo
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.sodium thiosulphatesodium thiosulphate - a compound used as a fixing agent in photographic developing
hypo, sodium thiosulfate
fixing agent, fixer - a chemical compound that sets or fixes something (as a dye or a photographic image)


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