sodium sulphate

British  

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

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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.

From Economist

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.

From Project Gutenberg

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.

From Project Gutenberg

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

From Project Gutenberg