Limescale
Numéro d’image : 13619325
| Limescale. Limescale build-up inside of an old hot-water valve that had been used in household plumbing for many years. Limescale is a hard deposit that consists mainly of calcium carbonate (CaCO3), but also includes other carbonates, depending on minerals present in the water. The pale green colour seen in this photograph is due to copper compounds (basic copper carbonate, Cu2CO3(OH)2), etc) that have been formed on the surface of the valve made from brass (an alloy of copper and zinc). Limescale builds up on inner surfaces of hot-water pipes, kettles, and boilers, especially when they are used with hard water. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Turtle Rock Scientific |
| Taille de l’image : | 5157 px × 3437 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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