Measuring the pH of a cola drink. The electronic probe reveals that the cola has a low pH of 2.36. The low pH is due to the use of phosphoric acid to flavour the drink. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA |
Modell-Rechte: | nicht erforderlich |
Länge: | 29 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |