Filtering a liquid. Filtration is the process whereby a solid is separated from a liquid or gas using a membrane which will allow the passage of the fluid but not the solid. The liquid shown in the image is magnesium nitrate | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Andrew Lambert Photography |
Taille de l’image : | 3670 px × 4941 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |