Universal indicator changes its colour depending on the pH of the solution. Shown here are the universal indicator paper strips and the colour matching chart that helps to determine specific pH value | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5137 px × 3410 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
|