copper sulphate

noun

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: CuSO 4

A few drops of an ammoniacal solution of copper sulphate was added to the water extract.

The work must be left in the copper sulphate solution till it has received a uniform coating of copper.

Jensen again could obtain no stimulation with copper sulphate.

How much crystallised copper sulphate will contain this amount of metal?

It is charged with a saturated solution of copper sulphate, and crystals of this salt must be added, and always kept in excess.

Browse