Haldia Chemical industry Based in Haldia India , Haldia chemical are a leading Chemical Manufacturer and Supplier of Sodium metabisulfite or sodium pyrosulfite in Haldia India . We are supplied into various industrial markets including Household ,Institutional Cleaning, Personal Care and Industrial sectors including Oil Field, Agriculture, Lubricants, Metal Working chemical industry and Coatings markets.
Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent.
uses
Sanitization and cleaning agent
It is commonly used in homebrewing and winemaking to sanitize equipment. It is used as a cleaning agent for potable water reverse osmosis membranes in desalination systems. It is also used to remove chloramine from drinking water after treatment.
Other uses
It is used in photography.
Concentrated sodium metabisulfite can be used to remove tree stumps. Some brands contain 98% sodium metabisulfite, and cause degradation of lignin in the stumps, facilitating removal.
It is also used as an excipient in some tablets, such as paracetamol.
It is used as the source of SO2 in wine, an important anti-oxidant and bactericide.
It is also used to precipitate gold from auric acid (gold dissolved in aqua regia).
It is used in waste treatment to chemically reduce hexavalent chromium to trivalent chromium which can then be precipitated and removed from an aqueous waste stream.
It is used as a bleaching agent in the production of coconut cream.
It is used as a reducing agent to break sulfide bonds in shrunken items of clothing made of natural fibers, thus allowing the garment to go back to its original shape after washing.
It is used as an SO2 source (mixed with air or oxygen) for the destruction of cyanide in commercial gold cyanidation processes.
It is used in the oil and gas industry as a corrosion inhibitor/oxygen scavenger.
It is used in the water treatment industry to quench chlorine residual.
It is used in tint etching iron-based metal samples for microstructural analysis.
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