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.

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.

copper(II) carbonate + sulfuric acid → copper(II) sulfate + water + carbon dioxide. To ensure there is no leftover sulfuric acid in the copper ... Allow the basin to cool and the crystals will form.

Crystals are typically thought to be brittle and fragile materials, but needles of copper(II) acetylacetonate have now been shown to be flexible enough to be reversibly tied into a knot ...