Filter paper. Coloured scanning electron micrograph (SEM) of the cut end of a piece of filter paper showing its many cellulose fibres. Cellulose is a polysaccharide that is the main constituent of all plant tissues and fibres. Filter paper is a porous material used for separating the liquid and solid parts of a suspension and,being made from wood pulp,is almost pure cellulose. Magnification: x180 when printed 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / McCarthy, David |
Taille de l’image : | 4305 px × 3288 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |