The resulting alum crystals (formula: KAl(SO4)2.12(H2O)) made from aluminium foil, potassium hydroxide, a strong base, and concentrated sulfuric acid (H2SO4). Image 5 of 5. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Grant, Spencer |
Taille de l’image : | 2912 px × 4368 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |