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.
There are a number of ways that you could make copper sulfate crystals in Chemistry. This is an outline of the required steps to undertake one of these methods. Hydrated copper sulfate crystals ...
Here we’ve got an iron nail and some copper sulfate solution. Copper sulfate is a compound that contains the metal copper. We start by filling the beaker with copper sulfate solution about halfway.