Mercury oxide powder on a watch glass. Mercury oxide (HgO) is a toxic compound that may be either red or yellow | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Andrew Lambert Photography |
Taille de l’image : | 4750 px × 3681 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |