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Sodium Sulfate
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Sodium sulfate, also known as disodium sulfate (Na2 SO4 ), is an inorganic chemical that has several important industrial uses.  It is produced from naturally occurring sodium-sulfate-bearing brines or crystalline evaporite deposits, and as a byproduct from different chemical processes, such as ascorbic acid, battery acid recycling, boric acid, cellulose, chromium chemicals, lithium carbonate, rayon, resorcinol, and silica pigments.  The byproduct sodium sulfate is considered a waste product but has marketability; both types of sodium sulfate, however, have several important and useful applications in various consumer products, such as in soaps and detergents, pulp and paper, and textiles.

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URL: http://minerals.usgs.gov/minerals/pubs/commodity/sodium_sulfate/index.html
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Page Last Modified: Friday, 01-Feb-2008 15:12:05 EST