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salt cake
noun
, Chemistry.
- an impure form of sodium sulfate, especially as obtained by the interaction of sulfuric acid and common salt in the synthesis of hydrochloric acid: used chiefly in the manufacture of glass, ceramic glazes, soaps, and sodium salts.
salt cake
noun
- an impure form of sodium sulphate obtained as a by-product in several industrial processes: used in the manufacture of detergents, glass, and ceramic glazes
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Word History and Origins
Origin of salt cake1
First recorded in 1695–1705
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Example Sentences
The production of salt-cake or crude sodium sulphate is carried out in two stages.
From Project Gutenberg
Mechanical furnaces are now used to a large extent for the salt-cake process.
From Project Gutenberg
The mixture of common salt and vitriol is charged into the salt-cake pot, which is heated by a fire below.
From Project Gutenberg
The gaseous mixture is drawn by a chimney draught through the coke towers, as in the making of salt-cake.
From Project Gutenberg
To collect and use the sulphuric acid of the salt cake consumed in the glass manufacture.
From Project Gutenberg
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