Universal indicator solution being pipetted into an acidic solution. Universal indicator changes colour in acidic or alkaline solutions,turning red or blue respectively | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Andrew Lambert Photography |
Bildgröße: | 3667 px × 4768 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |