Limescale,coloured scanning electron micrograph (SEM). Limescale,which occurs when hard water is boiled,is composed of calcium or magnesium carbonate. Magnification: x1,600 when printed at 10 centimetres wide | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Gschmeissner, Steve |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |