Ammonium dichromate(VI). Ammonium dichromate(VI) ((NH4)2Cr2O7) in a watchglass. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Turtle Rock Scientific |
Taille de l’image : | 5170 px × 3440 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |