Torenia flower in acid
Videonummer 11939133
| Close-up timelapse footage of the petals of a Torenia fournieri flower in a solution of hydrochloric acid, showing the change in colour. The pigment chemicals in this flower act as a natural acid-base indicator, here seen to change colour to pink in acid. This clip has been sped up 40 times. See clip K004 5183 for the flower in an alkali. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Beautifulchemistry.net |
| Modell-Rechte: | nicht erforderlich |
| Länge: | 10 Sekunden |
| Seitenverhältnis: | 16:9 |
| Restrictions: | - |
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