Limescale. This thick crust of limescale has been removed from the side of a water treatment reactor. It consists mostly of calcium carbonate (calcite) salt that precipitates out of water when it is heated. This sample measures 340 millimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5870 px × 4162 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |