Potassium permanganate crystals in dish and dissolving in glass flask | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dorling Kindersley / UIG |
Taille de l’image : | 3798 px × 4602 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |