Items used in chemistry experiments. Selection of elements used in common chemistry experiments. Clockwise from top left: oxygen and chlorine in glass cylinders,iron filings,zinc strips,sulphur powder,carbon | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 3457 px × 5138 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |