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Sodium bisulfite (or sodium bisulphite, sodium hydrogen sulfite) is a chemical mixture with the approximate chemical formula NaHSO 3. Sodium bisulfite is not a real compound, [ 2 ] but a mixture of salts that dissolve in water to give solutions composed of sodium and bisulfite ions.
The compound sodium metabisulfite is used in almost all commercial wines to prevent oxidation and preserve flavor, sodium bisulfite is sold by some home winemaking suppliers for the same purpose. [6] In fruit canning, sodium bisulfite is used to prevent browning (caused by oxidation) and to kill microbes.
Sodium aluminium phosphate – acidity regulator, emulsifier; Sodium aluminosilicate (sodium aluminium silicate) – anti-caking agent; Sodium ascorbate – antioxidant (water-soluble) Sodium benzoate – preservative; Sodium bicarbonate – mineral salt; Sodium bisulfite (sodium hydrogen sulfite) – preservative, antioxidant; Sodium carbonate ...
The related sodium thiosulfate also dechlorinates water. Campden tablets are also useful for decontamination and neutralization after exposure to tear gas . [ 4 ] The molar mass (commonly called molecular weight or MW) of potassium metabisulfite is 222 g/mol, and that of sodium metabisulfite is 190 g/mol.
Socks, buttons, and significant others: many things in life are (thankfully) replaceable. And as it turns out, the same can be true in the world of cooking, especially with high-sodium ingredients.
Sodium bisulfate, also known as sodium hydrogen sulfate, [a] is the sodium salt of the bisulfate anion, with the molecular formula NaHSO 4. Sodium bisulfate is an acid salt formed by partial neutralization of sulfuric acid by an equivalent of sodium base, typically in the form of either sodium hydroxide (lye) or sodium chloride (table salt).
Potassium metabisulfite, K 2 S 2 O 5, also known as potassium pyrosulfite, is a white crystalline powder with a pungent odour. It is mainly used as an antioxidant or chemical sterilant . [ 1 ] As a disulfite , it is chemically very similar to sodium metabisulfite , with which it is sometimes used interchangeably.
When solutions of sodium hydrogensulfite or potassium hydrogensulfite are evaporated, sodium metabisulfite and potassium metabisulfite result. [5] 2 HSO − 3 S 2 O 2− 5 + H 2 O. Although the equilibrium lies far to the left, evaporation of a bisulfite salt will produce a substantial amount of disulfite. [6]