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Product Uses. Sodium bisulfite solution is used in many industries; for example, in the treatment of waste water, in the pulp and paper industry, in the photographic industry and in various other industries as a bleach or dechlorinator. Sodium bisulfite solution can also be used in the manufacture of other chemicals. E222 (food industry). Product Overview. Sodium bisulfite solution is a variously colored liquid at room temperature. It is used in waste water treatment, in the pulp and paper industry, in the photographic industry and in various other industries as a bleach or dechlorinator.
Potassium metabisulphite, K2S2O5, is a white crystalline powder or white granules with a pungent sulfur odour. The main use for the chemical is as an antioxidant or chemical sterilant. Potassium bisulfite belongs to the sulfite group of preservatives.Sulfites are characterized by containing sulfur and oxygen.Potassium bisulfite is also referred to as potassium metabisulphite or potassium metabisulphite powder.This preservative is found naturally in wine. Known as an antioxidant preservative, potassium bisulfite has some antioxidant capabilities,meaning it can fight inflammation causing free radicals in the body.he main use for the chemical is as an antioxidant or chemical sterilant. Potassium bisulfite belongs to the sulfite group of preservatives. Sulfites are characterized by containing sulfur and oxygen. Potassium bisulfite is also referred to as potassium metabisulphite or potassium metabisulphite powder.