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Sodium Sulphite Applications 

August 31,2022

Industrial grade sodium sulfite can be used as water treatment agent, corrosion inhibitor, metal surface treatment agent, cement hardening accelerator, copper plate paper pulp diffusion agent and oil drilling, etc.; food grade sodium sulfite is mainly used as quality improver, chelating agent, fermentation bulking agent, pH adjusting agent, etc.

The following Rongda Chemical will bring you a detailed understanding of the detailed uses and functions of sodium sulfite.

Application 1:Used for the determination of tellurium and niobium trace analysis and the preparation of developing solution, also used as a reducing agent.

Application 2:For artificial fiber stabilizer, fabric bleaching agent, photographic developer, dyeing and bleaching deoxidizer, fragrance and dye reducer, paper lignin remover, etc.

Application 3:Used as general analysis reagent and photosensitive resistive material.

Application 4:Reductive bleaching agent, bleaching effect on food and strong inhibiting effect on oxidase in plant food. China stipulates that it can be used in preserves at a maximum use level of 2. 0g/kg; it can also be used in glucose, liquid glucose, table sugar, rock sugar, caramel, confectionery, bamboo shoots, canned mushrooms and mushrooms, grapes, blackcurrant juice concentrate at a maximum use level of 0. 60g/kg. residues of bamboo shoots, canned mushrooms and mushrooms, preserves, grapes and blackcurrant juice concentrate (in SO2) ≤ 0. 05g/kg. Residues of potato starch ≤ 0. 03g/kg; residues of biscuits, sugar, vermicelli and other varieties less than 0. 1g/kg; residues of liquid glucose shall not exceed 0. 2g/kg.

Application 5:Used in printing and dyeing industry as deoxidizing agent and bleaching agent, used in the cooking of various cotton fabrics, can prevent the local oxidation of cotton fiber and affect the fiber strength, and improve the whiteness of the cooking products. Photographic industry as a developing agent. It is used as a reducing agent in the production of m-phenylenediamine, 2,5-dichloropyrazolone, anthraquinone-1-sulfonic acid, 1-amino anthraquinone, sodium aminosalicylate, etc. It can prevent the oxidation of semi-finished products during the reaction process. Used in the paper industry as a lignin remover. The textile industry uses it as a stabilizer for man-made fibres. The electronics industry is used to manufacture photo resistors.

The water treatment industry is used in the treatment of electroplating wastewater and drinking water.

Application 6:Used as bleaching agent, preservative, relaxing agent and antioxidant in food industry. Also used in pharmaceutical synthesis. Used as a reducing agent in the production of dehydrated vegetables.

Application 7:It is used to make cellulose sulfite ester,sodium thiosulfate,organic chemicals, bleaching fabric, etc. It is also used as reducing agent, preservative, dechlorinating agent, etc.

We have many other inorganic chemical products,for example,sodium sulfite anhydrous,zinc sulphate,zinc oxide,etc. If you need to contact the manufacturer


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