Iodine clock' reaction. This is the start of the experiment. A clear solution of potassium iodide,sodium thiosulfate,and starch is added to a clear solution of hydrogen peroxide with sulfuric acid in the conical flask. A digital timer is set to start at this point to determine when the chemical equilibrium has been reached. The solution will then be a dark blue/black | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 5760 px × 3840 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |