Test for sulfate ions in a solution. A few drops of nitric acid are added to the test solution, which is then shaken. After this, barium chloride will be added. If a white precipitate forms, the sample contains sulfate ions. This is due to the formation of the insoluble barium sulfate, which precipitates instantly. See clips K004 2737-9 for all the stages in this test. | |
Licence : | Droits gérés |
Crédit : | Science Photo Library / Chillmaid, Martyn F. |
Model Release : | Non requis |
Durée : | 13 Secondes |
Aspect ratio : | 16/9 |
Restrictions : | - |