Natural pH indicator. Flasks containing chemicals of different pH (hydrogen ion concentration),revealed using an extract of red cabbage. The red cabbage (Brassica oleracea var. capitata) contains a chemical called anthocyanin. In acidic solutions this appears red or pink,in alkaline solutions it appears blue or purple,and in neutral solutions it appears pale green or yellow | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4500 px × 4500 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |