11. Stop heating before all the water in the evaporating basin leaves the copper sulfate solution. 12. Allow the evaporating basin to cool, then leave it aside for a few days or in a drying oven.

Use hydrochloric acid to make a chloride, sulfuric acid to make a sulfate, and nitric acid to make a nitrate.

To grow pure metal crystals, he used copper wire and copper sulfate. He also used a special regulated power supply to create a low voltage to control the current used to form the crystal.

The dissolved copper then binds to one of the sulfate ions to make copper (II) sulfate, which lends the persulfate etchant solution a familiar blue-green tinge as etching proceeds. Another etchant ...

Company Profile Year-to-date gain: 317.78 percentMarket cap: C$66.49 million Share ... of London Metal Exchange copper metal and an additional 51,081 MT of copper sulfate. The company is currently ...