Sodium thiosulfate
remove iodine stains, e.g. after the explosion of nitrogen triiodide.
In bacteriological water assessment.
In the tanning of leather.
To demonstrate the concept of reaction rate in chemistry classes. The thiosulfate ion can decompose into the sulfite ion and a colloidal suspension of sulfur, which is opaque. The equation for this acid-catalysed reaction is as follows:
S2O32(aq) SO32(aq) + S(s)
To demonstrate the concept of supercooling in physics classes. Melted sodium thiosulfate is very easy to overcool to room temperature and when crystallization is forced, the sudden temperature jump to 48.3C can be experienced by touch.
As part of patina recipes for copper alloys.
Often used in pharmaceutical preparations as an anionic surfactant to aid in dispersion.
It can also be used as a very interesting solute in supersaturation experiments.
References
^ a b Holleman, A. F.; Wiberg, E. “Inorganic Chemistry” Academic Press: San Diego, 2001. ISBN 0-12-352651-5
^ Charles Robert Gibson (1908). The Romance of Modern Photography, Its Discovery & Its Achievements. Seeley & Co. p. 37. http://books.google.com/books?id=whYaAAAAMAAJ&pg=PA37&dq=hyposulphite-of-soda+herschel+fixer+hypo&lr=&as_brr=1&as_pt=ALLTYPES&ei=czVdSaipAYWekwSc_vW5Dg.
^ Aylmore, M. G.; Muir, D. M. “Thiosulfate Leaching of Gold – a Review”, Minerals Engineering, 2001, 14, 135-174
^ “Toxicity, Cyanide: Overview – eMedicine”. http://emedicine.medscape.com/article/814287-overview. Retrieved 2009-01-01.
^ Hall AH, Dart R, Bogdan G (June 2007). “Sodium thiosulfate or hydroxocobalamin for the empiric treatment of cyanide poisoning?”. Ann Emerg Med 49 (6): 80613. doi:10.1016/j.annemergmed.2006.09.021. PMID 17098327.
^ Cicone JS, Petronis JB, Embert CD, Spector DA (June 2004). “Successful treatment of calciphylaxis with intravenous sodium thiosulfate”. Am. J. Kidney Dis. 43 (6): 11048. doi:10.1053/j.ajkd.2004.03.018. PMID 15168392.
^ Sodium thiosulfate at Dorland’s Medical Dictionary
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Sodium compounds
NaAlO2 NaBH3(CN) NaBH4 NaBr NaBrO4 NaCH3COO NaCN NaC6H5CO2 NaC6H4(OH)CO2 NaCl NaClO NaClO2 NaClO3 NaClO4 NaF NaH NaHCO3 NaHSO3 NaHSO4 NaI NaIO3 NaIO4 NaMnO4 NaNH2 NaNO2 NaNO3 NaN3 NaOH NaO2 NaPO2H2 NaReO4 NaSCN NaSH NaTcO4 NaVO3 Na2CO3 Na2C2O4 Na2CrO4 Na2Cr2O7 Na2MnO4 Na2MoO4 Na2O Na2O2 Na2O(UO3)2 Na2S Na2SO3 Na2SO4 Na2S2O3 Na2S2O4 Na2S2O5 Na2S2O6 Na2S2O7 Na2S2O8 Na2SeO3 Na2SeO4 Na2SiO3 Na2Te Na2TeO3 Na2Ti3O7 Na2U2O7 NaWO4 Na2Zn(OH)4 Na3N Na3P Na3VO4 Na4Fe(CN)6 Na5P3O10
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Triazoles
topical: (Fluconazole#, Fosfluconazole)
systemic: (Fluconazole, Itraconazole, Posaconazole, Voriconazole)
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Nervous system
Nerve agent / Organophosphate poisoning
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