Hydrating anhydrous copper (II) sulphate (white) by dripping water. The blue colour of copper (II) sulphate is due to the presence of so-called water of crystallisation in the crystal structure. Dripping water onto the anhydrous form rehydrates the compound, giving the blue colour. | |
Licence : | Droits gérés |
Crédit : | Science Photo Library |
Model Release : | Non requis |
Property release : | Non requis |
Durée : | 13 Secondes |
Aspect ratio : | 16/9 |
Restrictions : | - |