English Dictionary

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copper sulphate



  1. a copper salt found naturally as chalcanthite and made by the action of sulphuric acid on copper oxide. It usually exists as blue crystals of the pentahydrate that form a white anhydrous powder when heated: used as a mordant, in electroplating, and in plant sprays. Formula: CuSO4

Example Sentences Including 'copper sulphate'

It is thought that the boys, from a school in Novosibirsk, swallowed copper sulphate taken from a chemistry laboratory.
Times, Sunday Times (2002)
Some were old favourites by now -- cow's urine, copper sulphate , powdered tobacco, walnut leaves.
Christy Campbell PHYLLOXERA: How Wine was Saved for the World (2004)
The chemical, copper sulphate , was not in the slush machine in the store, Const.
Ottawa Sun (2003)
The girls were arrested after seven teens in Sylvan Lake drank a slushie allegedly tainted with copper sulphate.
Edmonton Sun (2003)
They foolishly continued to allow the use of copper sulphate -a fungicide that can have unpleasant side-effects -to fight potato blight.
Times, Sunday Times (2002)


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