Lead oxides on watchglasses. The colours show the difference in oxidation state of the lead in lead (II) oxide (PbO,yellow),lead (III) oxide (Pb2O3,orange) and lead (IV) oxide (PbO2,brown) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Andrew Lambert Photography |
Taille de l’image : | 4934 px × 3628 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |