Copper oxides on watchglasses. The colours show the difference in oxidation state of the copper in copper (I) oxide (Cu2O,red) and copper (II) oxide (CuO,black) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Andrew Lambert Photography |
Taille de l’image : | 4959 px × 3611 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |