Potassium metabisulfite
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Project at a Glance Contents on the CD ROM
  • Potassium metabisulfite, K2S2O5, also known as potassium pyrosulfite, is a white crystalline powder with a pungent sulfur odour.
  • The main use for the chemical is as an antioxidant or chemical sterilant. It is a disulfite and is chemically very similar to sodium metabisulfite, with which it is
    sometimes used interchangeably.
  • Potassium metabisulfite is generally preferred out of the two as it does not contribute sodium to the diet.
  • Potassium metabisulfite has a monoclinic crystal structure which decomposes at 190 C, yielding potassium oxide and sulfur dioxide.
  • It is used as a food additive, also known as E224. It is restricted in use and may cause severe allergic reactions in sensitive persons. Potassium is an inhibitor of the polyphenol oxidase enzyme.
  • The winemaking industry uses potassium metabisulfite as an additive during the bottling process. When they add potassium metabisulfite to the wine, a sulfur dioxide gas forms, which destroys microorganisms in the wine and prevents molds and bacteria from growing inside the wine bottle.
  • Additionally, potassium metabisulphite is a strong antioxidant that protects the color and flavors of the wine. Without the use of potassium metabisulfite, wines would develop a stronger taste over time as the wine ages in the bottle.
  • One quarter teaspoon of potassium metabisulphite can treat approximately five gallons of wine.
  • Potassium metabisulfite is used in the textile industry for dyeing and cotton printing.
  • Heating potassium sulfate with concentrated sulfuric acid forms the acid salt potassium hydrosulfate (bisulfate): K2SO4 + H2SO4 = 2KHS04. At temperatures above its melting point (210C), potassium hydrosulfate is converted to potassium pyrosulfate (2KHS04 = K2S207 + H20)
General
  • Potassium metabisulfite
  • Is it possible for the Potassium metabisulfite powder for sanitizing to lose its strength over time
  • What is Potassium metabisulfite
  • Adding Potassium metabisulfite to prevent oxidation
  • Sulphur dioxide additions using Potassium metabisulfite
  • Copper complex with Potassium metabisulfite
  • Make Sulfuric acid (metabisulfite-oxidizer method)

MSDS

  • Univar Potassium metabisulphite
  • Potassium pyrosulfite
  • Potassium metabisulfite MSDS
  • Potassium metabisulphite datasheet
  • Potassium metabisulfite DS
  • CCI Potassium metabisulfite
  • MSDS Potassium metabisulfite

Products

  • Potassium metabisulfite
  • Potassium metabisulfite Grades
  • Potassium metabisulfite description
  • Potassium metabisulfite food grade
  • Potassium metabisulfite K2SO5
  • Potassium metabisulfite 2 oz
  • Potassium metabisulfite BP
  • Potassium metabisulfite
  • Potassium metabisulfite product

Report

  • Consultancy report on Banana processing to the Island food community of Pohnpei
  • Coccinellidae and ladybug taint in cool climate wine regions
  • Processing of fruits and fruit juices in our life
  • Potassium metabisulfite toxicology
Suppliers
  • Suppliers of Potassium metabisulfite
  • Manufacturers of Potassium metabisulfite
  • Selling leads of Potassium metabisulfite
  • Potassium metabisulfite Suppliers
  • Exporters of Potassium metabisulfite
  • Potassium metabisulfite Suppliers list

Patent

  • Production of solid potassium metabisulfite
  • Use of potassium pyrosulfite in so recovery from stack gases

Company profiles & Turnkey service providers

  • Company from Delhi
  • Company from Gujarat
  • Company from Maharashtra
  • Company from Mumbai
  • Another Company from Mumbai
  • Turnkey service providers from Mumbai

Study

  • Standardization of extraction methods and preservation techniques of hill lemon juice
  • Relative mutagenecity of some food preservatives on plant cells
  • Improving fungicide control of Botrytis bunch rot
  • Inorganic Sulfites and Bisulfites
  • A kinetic study of the thermal decomposition process of potassium metabisulfite

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