Testing sulphur for magnetism. An ALNICO bar magnet is used to test sulphur powder (S) for magnetic properties. Sulphur is not magnetic so it is not attracted to the magnet. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5167 px × 3436 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |