Testing solutions for pH. Several pH indicators are added to acidic, neutral and alkaline solutions in a multiwell plate. The solutions are: 0.1 M hydrochloric acid (top row), neutral (pH=7) buffer (middle row), and 0.1 M sodium hydroxide. The indicators are, left to right columns: universal indicator, phenolphthalein, bromocresol purple, methyl orange. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Turtle Rock Scientific |
Bildgröße: | 5159 px × 3430 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |