Several acid-base indicators,they change their colour depending on the pH of a solution. Indicators in a solution form,back row (left to right): bromocresol purple,universal indicator,phenolphthalein. indicators in a paper strip form,front row (left to right): universal indicator,blue litmus,red litmus | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5032 px × 3359 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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