Chromatography experiment,water added to black ink on filter paper,blot spreading out into different coloured rings | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dorling Kindersley / UIG |
Taille de l’image : | 3914 px × 4465 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |