Glass beaker containing copper strips connected to electrodes in copper sulphate solution (copper purification) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dorling Kindersley / UIG |
Taille de l’image : | 3814 px × 4583 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |