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Sodium Sulfite 97%
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  • Packing:

    25 kg/bag
  • Mininmum Order:

    1 FCL

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Where to buy Sodium Sulfite 97%min from China top Sodium Sulfite suppliers and manufacturers at best price? TNJ offers reasonable Sodium Sulfite price and high quality. To buy Sodium Sulfite CAS 7757-83-7 from TNJ Chemical is your best option. For more information about Sodium Sulfite, please feel free to contact sales@tnjchem.com

Sodium Sulfite is a soluble sodium salt of sulfurous acid (sulfite) with the chemical formula Na2SO3. It is a product of sulfur dioxide scrubbing, a part of the flue-gas desulfurization process. It is also used as a preservative to prevent dried fruit from discoloring, and for preserving meats, and is used in the same way as sodium thiosulfate to convert elemental halogens to their respective hydrohalic acids, in photography and for reducing chlorine levels in pools.



NA2SO3 CONTENT :               97 %MIN 

IRON (FE) :                             0.003%MAX 


AS:                                         0.0002%MAX

HEAVY METALS ( AS PB) :       0.001%MAX 

WATER INSOLUBLE :              0.02%MAX 


Sodium sulfite is primarily used in the pulp and paper industry. It is used in water treatment as an oxygen scavenger agent, to treat water being fed to steam boilers to avoid corrosion problems, in the photographic industry to protect developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions, in the textile industry as a bleaching, desulfurizing and dechlorinating agent and in the leather trade for the sulphonation of tanning extracts. It is used in the purification of TNT for military use. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. It is used in other applications, including froth flotation of ores, oil recovery, food preservatives, and making dyes.



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