Erlenmeyer flask. Erlenmeyer flask containing a solution of potassium permanganate (KMnO4) in water. Transition metal compounds are often coloured | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 3426 px × 5154 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |