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Sodium thiosoulfate 500 gm

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৳1000

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Uses: Lab Essentials

Product SKU: Zc04247zgk

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Product Description


Sodium thiosulfate (sodium thiosulphate) is an inorganic compound with the formula Na2S2O3.xH2O. Typically it is available as the white or colorless pentahydrate, Na2S2O3·5H2O. The solid is an efflorescent (loses water readily) crystalline substance that dissolves well in water.

  • Sodium thiosulfate is used in gold mining, water treatment, analytical chemistry, the development of silver-based photographic film and prints, and medicine. The medical uses of sodium thiosulfate include treatment of cyanide poisoning and pityriasis. It is on the World Health Organization's List of Essential Medicines.

  • Sodium thiosulfate is used predominantly in industry. For example, it is used to convert dyes to their soluble leuco form. It is also used to bleach "wool, cotton, silk, ...soaps, glues, clay, sand, bauxite, and... edible oils, edible fats, and gelatin.

  • It is used to dechlorinate tap water including lowering chlorine levels for use in aquariums, swimming pools, and spas and within water treatment plants to treat settled backwash water prior to release into rivers. The reduction reaction is analogous to the iodine reduction reaction.

  • In pH testing of bleach substances, sodium thiosulfate neutralizes the color-removing effects of bleach and allows one to test the pH of bleach solutions with liquid indicators. The relevant reaction is akin to the iodine reaction: thiosulfate reduces the hypochlorite (active ingredient in bleach) and in so doing becomes oxidized to sulfate. 

Safety Considerations:

    • While generally considered safe when handled properly, standard safety precautions should be followed during the handling and storage of sodium thiosulfate.

Environmental Impact:

    • Sodium thiosulfate is considered less environmentally harmful compared to certain other chemicals used in similar applications. However, responsible disposal practices should still be observed.

Note: Sodium thiosulfate plays diverse roles in various fields, showcasing its versatility as a chemical compound. If you have any specific questions or need more detailed information, feel free to ask!


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