Thiosulfate meaning

Thiosulfate is a chemical compound containing the polysulfide ion S2O32-.


Thiosulfate definitions

Word backwards etaflusoiht
Part of speech Noun
Syllabic division thi-o-sul-fate
Plural The plural of the word "thiosulfate" is "thiosulfates."
Total letters 11
Vogais (5) i,o,u,a,e
Consonants (5) t,h,s,l,f

Thiosulfate, also known as thiosulfate anion, is a chemical compound with the formula S2O3^2-. It is comprised of two atoms of sulfur and three atoms of oxygen. Thiosulfate is commonly used in various industrial processes, photography, medical treatments, and even as a food preservative.

Properties of Thiosulfate

Thiosulfate is a white, crystalline solid that is soluble in water. It is often prepared by heating sulfite compounds with sulfur or by reacting sulfur dioxide with aqueous sodium hydroxide. Thiosulfate is a reducing agent and is stable in alkaline solutions but decomposes in acidic conditions.

Uses of Thiosulfate

Thiosulfate has several important applications. In medicine, it is used as an antidote to cyanide poisoning due to its ability to combine with the cyanide ion to form thiocyanate. In photography, thiosulfate is used as a fixing agent to remove unexposed silver halide from photographic film or paper. It is also used in gold extraction, water treatment, and as a food preservative.

Environmental Impact

Thiosulfate can have environmental implications if not properly managed. In photographic processing, the disposal of thiosulfate-containing solutions can lead to environmental pollution. Additionally, in gold mining operations, the use of thiosulfate as a gold extraction agent can result in the release of sulfur compounds into the environment.

In conclusion, thiosulfate is a versatile compound with numerous applications in various industries. Its properties as a reducing agent and its ability to complex with other ions make it a valuable chemical in different processes. However, the proper management and disposal of thiosulfate-containing solutions are crucial to minimize its environmental impact.


Thiosulfate Examples

  1. I used sodium thiosulfate to neutralize the excess iodine in my chemistry experiment.
  2. The photography developer solution contains ammonium thiosulfate to fix the image on the film.
  3. Veterinarians use calcium thiosulfate to treat cyanide poisoning in animals.
  4. Thiosulfate is commonly used in water treatment plants to remove chlorine from drinking water.
  5. The dermatologist prescribed a thiosulfate cream to treat my skin condition.
  6. Chelation therapy involves the use of sodium thiosulfate to remove heavy metals from the body.
  7. The silver tarnish on the jewelry was easily removed using a thiosulfate solution.
  8. Thiosulfate can be added to wine to prevent oxidation and spoilage.
  9. In the textile industry, thiosulfate is used in the dyeing process to fix color onto the fabric.
  10. Fish farmers use sodium thiosulfate to neutralize any harmful chemicals in the water of their tanks.


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  • Updated 25/04/2024 - 02:17:24