Introduction
Sodium sulfite, chemical formula Na2S2O5, is a colorless crystal, solid at room temperature. Sodium sulfite is an inorganic, common sulfite. It is irritating to eyes, skin and mucous membranes. It is mainly used in industry to make cellulose sulfite ester, sodium thiosulfate, organic chemicals, bleaching fabrics, etc. It is also used as a reducing agent, preservative and dechlorinating agent.
Application of sodium sulfite
1.Application of sodium sulfite in food industry
Firstly,Sodium sulfite is widely used in the processing of flour, noodles, bread, cakes and other foods, as a bleaching agent used to make the food white.secondly,Sodium sulfite can also remove oxides in food to prevent food spoilage.lastly,Sodium sulfite can also be used as a food preservative in food processing. It can inhibit the growth of microorganisms and prevent food spoilage.
2.Application of sodium sulfite in pharmaceutical industry
Sodium sulfite can be used as a kind of pharmaceutical agent, which is used to make some drugs, such as antibacterial drugs, anti-inflammatory drugs and so on, for the treatment of diseases. Sodium sulfite can also be used as an antioxidant, which can reduce the content of free radicals and protect human cells from the damage of free radicals.
3.Application of sodium sulfite in cosmetic industry
Sodium sulfite can be used as a preservative in cosmetics to protect cosmetics from bacteria and mold contamination.Sodium sulfite can also be used as dyes, is used in hair coloring, cosmetics and other fields, to bring people beautiful.
4.Application of sodium sulfite in paper industry
Sodium sulfite can be used as a bleaching agent in the paper industry, which can make the paper white. At the same time, sodium sulfite can also be used as a deinking agent in the paper industry to remove the ink on the paper.
Conclusion
In conclusion, sodium sulfite is a widely used chemical substance, which is widely used in food, medicine, cosmetics, textile, printing and dyeing, paper making, water treatment and other fields. Its role and uses are very diverse, bringing great convenience and convenience to people's life.