Chemistry students in an undergraduate teaching laboratory carrying out experiments and using digital pH meters to measure the pH of chemical solutions, being supervised by postgraduate demonstrators who are wearing the blue lab coats. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / SCIENTIFIC PICTURE RESEARCH |
Bildgröße: | 5396 px × 3599 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | vorhanden |
Restrictions: | - |