“In this video, the corrosion process of iron is shown. Phenolphthalein indicator turns violet and shows the presence of hydroxide ions, while Prussian blue indicator turns blue and shows the presence of iron ions.”
This is part of the Open Educational Resources Initiative by the Faculty of Civil Engineering of the RWTH Aachen University.
For further information visit: www.fb3.rwth-aachen.de
This video is licensed under Creative Commons 4.0 BY. For further information visit: www.creativecommons.org
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