False colour scanning electron micrograph (SEM) of crystals of calcium sulphate,which together with calcium carbonate & magnesium carbonate produce the gritty precipitate associated with hard water. Magnification: x214 at 35mm size. original is bw print a600/267 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 3918 px × 3090 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |