Filtering rock salt (sodium chloride) from a salt solution. The cone of paper permits the solution to pass but retains the solid as a filtrate | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 2848 px × 4256 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |