Sulphate ion test. Positive result of a test for sulphate ions in a solution. The solution was acidified with hydrochloric acid and barium chloride solution was added. In the presence of sulphate ions this causes the formation of a white precipitate of barium sulphate | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 2848 px × 4256 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |