Flame tests. Three ceramic dishes each containing burning ethanol. Each dish has a different colour flame due to chemicals that have been added to the ethanol. Here they are (left to right): strontium nitrate (red), sodium chloride (yellow) and boric acid (green). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Länge: | 25 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |