English Dictionary

Definition of “copper sulphate”

copper sulphate

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

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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