Traffic light reaction
Videonummer 12081275
| Traffic light reaction. Footage of a demonstration of the traffic light reaction. The round-bottomed flask contains a solution of the sugar glucose with the indicator indigo carmine. The indicator has three colours relating to three oxidation states. At the start of this clip, it is in its yellow fully-reduced form. The reaction is reversible, and shaking produces the other three colours. The first shake produces the red intermediate form. More shaking produces the initial green oxidised form. If left, the solution would then turn red and back to yellow again. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA |
| Modell-Rechte: | nicht erforderlich |
| Länge: | 11 Sekunden |
| Seitenverhältnis: | 16:9 |
| Restrictions: | - |
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