Detecting water. Water being dropped onto cobalt chloride paper. This is paper impregnated with the dihydrate salt of cobalt chloride (CoCl2.2H2O) which is blue. When water is added,the salt is further hydrated to the hexahydrate form (CoCl2.6H2O) which appears pink | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 4370 px × 4370 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |