Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Potassium metabisulfite, K2S2O5, 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. Potassium metabisulfite has a monoclinic crystal structure.
^Barberá, José Jiménez; Metzger, Adolf; Wolf, Manfred (2000). "Sulfites, Thiosulfates, and Dithionitesl Chemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a25_477. ISBN 978-3527306732.
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Potassiummetabisulfite, K2S2O5, also known as potassium pyrosulfite, is a white crystalline powder with a pungent odour. It is mainly used as an antioxidant...
Sodium and potassiummetabisulfite have many major and niche uses. It is widely used for preserving food and beverages. Sodium metabisulfite is added as...
closely related chemical oxide Potassium bisulfite or potassiummetabisulfite Sodium bisulfite, sodium metabisulfite or sodium sulfite Sulfites occur...
Campden tablets (potassium or sodium metabisulfite) are a sulphur-based product that are used primarily to sterilize wine, cider and in beer making to...
Attempts to crystallize potassium bisulfite yield potassium metabisulfite, K2S2O5. Potassium bisulfite is used as a sterilising agent in the production...
dianion that is primarily marketed in the form of sodium metabisulfite or potassiummetabisulfite. When dissolved in water, these salts release the hydrogensulfite...
sweetened before bottling, potassium sorbate is used to prevent refermentation when used in conjunction with potassiummetabisulfite. It is primarily used...
removed by washing and a clearing bath containing sodium metabisulfite or potassiummetabisulfite. The remaining silver halide salts are re-exposed to light...
Potassium sulfite is used for preserving food and beverages. Potassium sulfite is produced by the thermal decomposition of potassiummetabisulfite at...
Home brewers use reducing agents such as sodium metabisulfite or potassiummetabisulfite (both proprietorially sold as Campden tablets) to remove chloramine...
Pharmaceuticals and vitamins Medical diagnostic kits and devices PotassiumMetabisulfite is often used in the wine industry to both scavenge oxygen and...
; Takahashi, M.; Hayashi, Y. (1990). "Toxicity and carcinogenicity of potassium bromate–a new renal carcinogen". Environmental Health Perspectives. 87:...
of this enzyme is potassiummetabisulfite. Banana root PPO activity is strongly inhibited by dithiothreitol and sodium metabisulfite, as is banana fruit...
sodium metabisulfite preservative, antioxidant, bleaching agent 224 A E U potassiummetabisulfite preservative, antioxidant 225 A U potassium sulfite...
popular in the off season of mangoes. Mango pulp is mixed with potassiummetabisulfite and spread on trays to dry in the sun. After the first layer dries...
formation of metabisulfite (S 2O2− 5), also known as disulfite: 2 HSO− 3 ⇌ S 2O2− 5 + H2O Because of this equilibrium, anhydrous sodium and potassium salts of...
(E 222), sodium metabisulfite (E 223), potassiummetabisulfite (E 224), calcium sulfite (E 226), calcium bisulfite (E 227) and potassium bisulfite (E 228)...
or potassium dichromate. Gum arabic is not photosensitive by itself. To clear the chromic acid, the print is washed in 1% potassiummetabisulfite after...
dilution of acetic acid in water, though a 2.5% solution of potassium or sodium metabisulfite works just as well. Because organic developers only work in...
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