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: Na2SO4
Examples of 'sodium sulphate' in a sentence
sodium sulphate
It stripped out 99.1 per cent of the sodium sulphate salt in a sample of water and 98.5 per cent of its magnesium sulphate.