pH meter measures pH=7 for a neutral solution (distilled water). Photo 1 of 3. Full series: BY2396,BY2397,BY2398 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 3378 px × 5088 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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