Three glass test tubes in stand,two containing oil and water,and one containing water,oil and detergent,to illustrate separation of oil and water | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Dorling Kindersley / UIG |
Bildgröße: | 3653 px × 4784 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |