Sodium carbonate, Na2CO3 distributors, manufacturers, exporters, and suppliers India
Vizag chemical is one of the leading Sodium carbonate, Na2CO3 distributors, manufacturers, exporters, and suppliers in Visakhapatnam, Mumbai, Surat, Chennai, Ahmedabad, Pune, and Kolkata India. We are supplied to various industrial markets including Household, Institutional Cleaning, Personal Care, and Industrial sectors including Oil fields, Agriculture, Lubricants, Marine Industry, Metal Working chemical industry, and Coatings markets.
Sodium carbonate, Na2CO3, (also known as washing soda, soda ash, and soda crystals) is the inorganic compound with the formula Na2CO3 and its various hydrates. All forms are white, water-soluble salts. All forms have a strongly alkaline taste and give moderately alkaline solutions in water. Historically it was extracted from the ashes of plants growing in sodium-rich soils. Because the ashes of these sodium-rich plants were noticeably different from ashes of wood (once used to produce potash), sodium carbonate became known as soda ash. It is produced in large quantities from sodium chloride and limestone by the Solvay process.
Applications
In terms of its largest applications, sodium carbonate is used in the manufacture of glass, paper, rayon, soaps, and detergents.
Glass manufacture
Sodium carbonate serves as a flux for silica, lowering the melting point of the mixture to something achievable without special materials. This “soda glass” is mildly water-soluble, so some calcium carbonate is added to the melt mixture to make the glass produced insoluble. Bottle and window glass (Soda-lime glass) is made by melting such mixtures of sodium carbonate, calcium carbonate, and silica sand (silicon dioxide (SiO2)). When these materials are heated, the carbonates release carbon dioxide. In this way, sodium carbonate is a source of sodium oxide. Soda-lime glass has been the most common form of glass for centuries.
Water softening
Sodium carbonate is used to soften water by removing Mg2+ and Ca2+. These ions form insoluble solid precipitates upon treatment with carbonate ions:
Ca2+ + CO32- → CaCO3
Sodium carbonate is an inexpensive and water-soluble source of carbonate ions.
Miscellaneous
Sodium carbonate is used by the brick industry as a wetting agent to reduce the amount of water needed to extrude the clay. In casting, it is referred to as a “bonding agent” and is used to allow wet alginate to adhere to gelled alginate. Sodium carbonate is used in toothpaste, where it acts as a foaming agent and an abrasive, and to temporarily increase mouth pH.
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