Universal indicator paper. Universal indicator changes its colour depending on the pH of the solution. Here, left indicator strip has been immersed in an acidic solution (pH=2, 0.01M hydrochloric acid, HCl), centre strip has been immersed in a neutral solution (pH=7 buffer solution), and right strip has been immersed in a basic solution (pH=12, 0.01M potassium hydroxide, KOH). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Turtle Rock Scientific |
Bildgröße: | 3432 px × 5160 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |