pH of household ammonia. Household ammonia is a 10% solution of ammonium hydroxide. Here a damp universal indicator strip is held above an opened ammonia bottle. The strip turns dark blue, indicating that the vapor is strongly alkaline. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 3427 px × 5156 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |