Chemistry students in an undergraduate teaching laboratory using digital pH meters to measure the pH of chemical solutions, whilst being supervised by a postgraduate demonstrator who is wearing a blue lab coat in the background. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / SCIENTIFIC PICTURE RESEARCH |
Bildgröße: | 3418 px × 5127 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | vorhanden |
Restrictions: | - |