Hydroxide precipitates

Numéro d’image : 11520111
Hydroxide precipitates
Hydroxide precipitates. Two test tubes containing,from the left,copper (II) and iron (II). Both test tubes have had ammonia added to them. This has caused the hydroxides of the metals to precipitate out of the solutions as solids. In the test tube containing copper (II),as well as the cloudy pale blue precipitate,there has also been the formation of copper (II) ion ammonia complex (dark blue). Addition of ammonia is used as a test for positive metal (III) ions in solution
Licence : Droits gérés
Crédit: Science Photo Library / Andrew Lambert Photography
Taille de l’image : 3573 px × 4907 px
Model Release : Non requis
Property Release : Non requis
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