pH indicators. Acid-base indicators change their colour depending on the pH of a solution. Left to right: litmus, universal indicator, phenolphthalein, bromocresol purple, methyl orange, bromothymol blue. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Turtle Rock Scientific |
Taille de l’image : | 5142 px × 3397 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |