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sodium sulphate

noun

  1. a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound ( salt cake ) or the white crystalline decahydrate ( Glauber's salt ) in making glass, detergents, and pulp. Formula: Na 2 SO 4
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Example Sentences

Their approach is to treat blocks of wood with sodium hydroxide and sodium sulphate in a chemical process similar to that used to remove lignin from papermaking pulp.

The process invented by German chemist Carl Dahl in the 1880s turns wood into pulp using caustic soda and sodium sulphate.

From BBC

Thus sodium sulphate may crystallize alone or with either seven or ten molecules of water, giving rise to three crystallographically distinct substances.

Another process consists in treating a mixture of the residue with one-quarter of its weight of calcined sodium sulphate with sulphuric acid, the residue being finally boiled with a large quantity of acid.

These last can be made as follows: Sodium chloride, ℥I; sodium bicarbonate, ℥II; sodium sulphate, ℥IV.

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sodium sulfitesodium tetraborate