Sodium of дитионит (hydrosulfite), those
Sodium hydrosulfite (sodium dithionite, sodium bisulfite, sodium hypodisulfite, sodium dithionic acid) - white crystalline powder, readily soluble in water. Technical sodium hydrosulfite (sodium dithionite) is used in light, medical, food, chemical and other industries.
Sodium hydrosulfite is also used in the textile industry mainly as a reducing agent for vat dyes, for reducing cleaning when dyeing polyester and for removing direct, active dyes when dyeing cotton. In the food industry it is used as a preservative or antioxidant. Sodium hydrogen sulfite is used in nearly all export wines to prevent oxidation and preserve flavor.
When preserving fruit, it is used to prevent browning and to fight germs. Registered as a food additive E222.
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